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下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断，如果该句提的是正确信息， 请选择A；如果该句提的是错误信息，请选择B；如果该句的信息句的信息文中没有提及，请选择C。 ? ...
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Thedoctorsoonmadetheworriedpatientfeelcomfortable.
Vegetarianism Astrictvegetarianisapersonwhoneverinhislifeeatsanythingderivedfromanimals.Themainobjectiontovegetarianismonalong-termbasisisthedifficultytogettingenoughproteinthebodybuildingelementsinfood.Ifyouhaveeverbeenwithoutmeatoranimalfoodsforsomedaysofweekssayreligiousreasonsyouwillhavenoticedthatyoutendtogetphysicallyratherweak.Youaregladwhenthefastisoverandyougetyourrewardofasucculentmeatmeal.Proteinsarebuiltupfromapproximatelytwentyfoodelementscalledamino-acidswhicharefoundmoreabundantlyinanimalproteinthaninvegetableprotein.Thismeansyouhavetoeatagreatdealmorevegetablethananimalfoodinordertogetenoughoftheseamino-acids.Agreatofthevegetablefoodgoestowasteinthisprocessandfromthephysiologicalpointofviewthereisnotmuchtobesaidinfavoroflife-longvegetarianism. Theeconomicsideofthequestionthoughmustbeconsidered.Vegetablefoodismuchcheaperthananimalfood.Howeversinceonlyasmallproportionofthevegetableproteinisusefulforbody-buildingpurposesaconsistentvegetarianifheistogainthenecessary70gramsofproteinadayhastoconsumeagreaterbulkoffoodthanhisdigestiveorganscancomfortablydealwith.Infairnessthoughitmustbepointedoutthatvegetariansclaimtheyneedfarlessthan70gramsofproteinaday. Whetherornotvegetarianismshouldbeadvocatedforadultsitisdefinitelyunsatisfactoryforgrowingchildrenwhoneedmoreproteinthantheycangetfromvegetablesource’’s.Alacto-vegetariandietwhichincludesmilkandmilkproductssuchascheesecanhoweverbesatisfactoryaslongasenoughmilkandmilkproductsareconsumed. Meatandcheesearethebestsourcesofusabledigestibleandnextcomemilkfishandeggs.Slowandcarefulcookingofmeatmakesitmoredigestibleandassistsinthebreakingdownoftheproteincontentbythebody.Whencookingvegetableshoweverthevitaminsandinparticularthewater-solubevitaminCshouldbelostthroughovercooking. Fromthepassageweknowthat______.
Aseismographisadevicedesignedtomeasurevibrationsoftheground.
Starfishclingtostonesbythesuctionoftheirinnumerabletubefeet.
FluShotsOrNot? ItsoundedlikeagoodideawhenNewYorkCity’’smayorRudollphGiulianiadvisedNewYorkersrecentlytogetaflushot.Afterall20000Americanseachyeardieofinfluenza.Andthisyearinparticularthemayorsuggestedgettingaflushotmightbeanespeciallygoodideasinceitcouldhelpdoctorsdistinguishbetweenfluandthedeadlyinhalational吸入的formofanthrax炭疽.How?Bothanthraxandfluexhibitstrikinglysimilarsymptoms—feverchillsandmuscleaches—intheearlydaysoftheinfection.Physicianswouldbequicktosuspectanthraxinanyonewhowasvaccinated接种疫苗againstfluandstilldevelopedfeverandchills.Thatwouldgivethemabetterchancetoidentifyanynewvictimsofterrorwhiletheirinfectionwasstillinitsearliestmosttreatablestages. Orsothemayor’’sreasoningwent.Unfortunatelythereareacoupleofproblemswithhislogic.Foronethinggettingvaccinatedagainstinfluenzadoesn’tguaranteeyouwontgetsick.Althoughhighlyeffectivethefluvaccine疫苗protectsagainstonlythedominanttypesofthediseaseandeventhendoesnotprovide100%protection.Ittakesacoupleofweeksforyourbodytorespondtothevaccinewithasufficientnumberofantibodies抗体.EachyearthousandsofAmericanswhogetthevaccineneverthelessstillgettheflu. Therearealsoplentyofreasonsyoumightdevelopfeverchillsandmuscleachesthathavenothingtodowitheitheranthraxorflu.Indeeddoctorsestimatethatmorethan80%ofallflulikeillnesseseachwinterarecausedbyothergroupsofviruses.Gettingvaccinatedagainstflucantprotectyouagainstsufferingfromtheseotherillnesses. Intheworstcaseaskingallhealthyadultstogetvaccinatedcouldactuallyhavetheoppositeeffecttotheoneintendedleadingtoevenmoredeathsifitmeanswerunoutofshotsforthosewhoaremostvulnerabletotheinfection.Alreadytherehavebeendelaysingettingthisyear’’sshipmentofvaccinetoclinicsanddoctors’’offices.Thosewhoshouldbeatthefrontofthelineincludefolkswhoare65oroldernursing-homeresidentsandadultsandchildrenwithchronichealthproblemsaswellasanyonewhocaresfororliveswithsuchpeople.FlushotsarealsoimportantformenandwomenwhoseimmunesystemisweakenedbyHIV艾滋病病毒orotherconditions. Thebestreasontogetthefluvaccineisthatitprotectsagainstmostflus—notthatyou’’reworriedaboutgettinganthrax.Whileinhalationalanthraxhaskilledonlyfivepeoplesofarmanymorecouldbeatriskfromflu-relatedcomplications.There’’snoneedtoworsenthetragedybymakingthisyear’’sinfluenzaepidemicanyworse. Someotherillnessesmayexhibitsymptomssimilartothoseoffluandanthrax.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ????????Supermarket’sNew Strategy{{/B}}??OnesupermarketinTokyohasmanagedtosolvethe problemsofshopliftingmistakesbycashiersandlonglinesofcustomers waitingatthecashregisters.ItisJapan’sadvancedcomputertechnologythat hascome{{U}}?51?{{/U}}withtheanswers.??Shoppersat anOKsupermarketontheoutskirtsofthecitynowpushacart{{U}}?52 ?{{/U}}aplasticcardchainedtoitandbuyfromglasscaseswherethegoods areondisplay.Theplasticcardhasamagneticnumberimprintedonit.Each customercarrieshisorherowncardwhichis{{U}}?53?{{/U}}atthe exit.Whileshoppingthecustomerpushesthecardintoaslotbesidewhichever itemsarewantedandpushesabuttonortwo.Theglasscoveredvendingmachines areconnectedtoacomputerthat{{U}}?54?{{/U}}thepriceofeveryitem inthestore.Pricesofeverypurchaseareaddedupautomatically.{{U}}?55 ?{{/U}}shehasfinishedshoppingthecustomerhandshercardtoacashier who{{U}}?56?{{/U}}itintotheregister.Asecondlaterthe{{U}} ?57?{{/U}}popsout.??Shopliftingisphysically impossible.Onceyoutouchacommoditythecomputerremembersitnomatterhow youhideitor{{U}}?58?{{/U}}youeatitonthespot.??A cashierattheOKsupermarketisnowabletowork15timesfasterthanher{{U}} ?59?{{/U}}ataconventionalsupermarket.Onlytwocashiers{{U}} ?60?{{/U}}arerequiredatthestorewhich{{U}}?61 ?{{/U}}2500separateitems.Onemanisenoughtokeepthevendingmachine filledbecausewheneverthestockforacertaincommodityis{{U}}?62 ?{{/U}}torunoutaredlampinthecomputer-room{{U}}?63 ?{{/U}}him.??Buttherearedisadvantagestoo:acustomer cannot{{U}}?64?{{/U}}hisorhermindaboutapurchase.Oncetouched theitemcannotbeputback.Thecustomermust{{U}}?65?{{/U}}acashier withitfirstandgetarefundlater.Therearealsonofreshvegetablesorfish onsale—everythingisprepackaged.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ????????Supermarket’sNew Strategy{{/B}}??OnesupermarketinTokyohasmanagedtosolvethe problemsofshopliftingmistakesbycashiersandlonglinesofcustomers waitingatthecashregisters.ItisJapan’sadvancedcomputertechnologythat hascome{{U}}?51?{{/U}}withtheanswers.??Shoppersat anOKsupermarketontheoutskirtsofthecitynowpushacart{{U}}?52 ?{{/U}}aplasticcardchainedtoitandbuyfromglasscaseswherethegoods areondisplay.Theplasticcardhasamagneticnumberimprintedonit.Each customercarrieshisorherowncardwhichis{{U}}?53?{{/U}}atthe exit.Whileshoppingthecustomerpushesthecardintoaslotbesidewhichever itemsarewantedandpushesabuttonortwo.Theglasscoveredvendingmachines areconnectedtoacomputerthat{{U}}?54?{{/U}}thepriceofeveryitem inthestore.Pricesofeverypurchaseareaddedupautomatically.{{U}}?55 ?{{/U}}shehasfinishedshoppingthecustomerhandshercardtoacashier who{{U}}?56?{{/U}}itintotheregister.Asecondlaterthe{{U}} ?57?{{/U}}popsout.??Shopliftingisphysically impossible.Onceyoutouchacommoditythecomputerremembersitnomatterhow youhideitor{{U}}?58?{{/U}}youeatitonthespot.??A cashierattheOKsupermarketisnowabletowork15timesfasterthanher{{U}} ?59?{{/U}}ataconventionalsupermarket.Onlytwocashiers{{U}} ?60?{{/U}}arerequiredatthestorewhich{{U}}?61 ?{{/U}}2500separateitems.Onemanisenoughtokeepthevendingmachine filledbecausewheneverthestockforacertaincommodityis{{U}}?62 ?{{/U}}torunoutaredlampinthecomputer-room{{U}}?63 ?{{/U}}him.??Buttherearedisadvantagestoo:acustomer cannot{{U}}?64?{{/U}}hisorhermindaboutapurchase.Oncetouched theitemcannotbeputback.Thecustomermust{{U}}?65?{{/U}}acashier withitfirstandgetarefundlater.Therearealsonofreshvegetablesorfish onsale—everythingisprepackaged.
ModernDrugs Doctorssixtyyearsagocoulddolittletohelpvictimsofpolio.Seriouscasesusuallyendedindeath.In1955avaccinewasdevelopedthatpreventedthedisease.Todaypolioisnolongeramajorhealthproblem. Manyofthemostimportantdrugsthatdoctorsprescribetodayhavebeendevelopedinthelast30years.Moderndrugsarecomplexspecificandpowerful.Peopleneedtoknowmoreaboutdrugsinordertousethemsafely. Earlypeoplediscoveredbyaccidentthatsomeoftheplantsgrowingaroundthemseemedusefultohealsoresrelievepainorevencurediseases.Theseplantswerethefirstdrugs.Nowplantsarestillthesourceofsomedrugs.Quinineforexampleisabitter-tastingdrugusedtotreatthechillsandfeverofmalariaandtoreduceattacksofthedisease.ItismadefromthebarkofthecinchonatreewhichgrowsintheAndesMountains.TheIndiansofthatregionwerethefirsttousethebarkasamedicine.TheSpanishpeopleprobablybroughtittoEuropeintheearly1600s.Chemistslearnedhowtogetthepuredrugfromthebarkandin1944;itwasmadeartificiallyinthelaboratory. Otherimportantdrugssuchashormonesandvaccinesareobtainedfromanimals.Butmostofthemoderndrugscomefromchemicalcombinationsworkedoutbyresearchscientists.Mostpeopleneverseedrugsintheirsimpleformaschemicals.Insteadtheyareseenastabletscapsulesorliquidsthatcontainthedrugandotheringredients. Peopleusedrugstogetdifferentresults.Somedrugsattacktheorganismthatcausesadisease.Theycurebykillingtheorganism.Otherdrugsrelievewhatwecallthesymptomsofthedisease:theheadachepainfeverorchillsandmakethepatientmorecomfortable.Theseconstitutemostover-the-counterdrugs.Peoplecangetthemindrugstores. Whatisthemainideaofthispassage?
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ????????Supermarket’sNew Strategy{{/B}}??OnesupermarketinTokyohasmanagedtosolvethe problemsofshopliftingmistakesbycashiersandlonglinesofcustomers waitingatthecashregisters.ItisJapan’sadvancedcomputertechnologythat hascome{{U}}?51?{{/U}}withtheanswers.??Shoppersat anOKsupermarketontheoutskirtsofthecitynowpushacart{{U}}?52 ?{{/U}}aplasticcardchainedtoitandbuyfromglasscaseswherethegoods areondisplay.Theplasticcardhasamagneticnumberimprintedonit.Each customercarrieshisorherowncardwhichis{{U}}?53?{{/U}}atthe exit.Whileshoppingthecustomerpushesthecardintoaslotbesidewhichever itemsarewantedandpushesabuttonortwo.Theglasscoveredvendingmachines areconnectedtoacomputerthat{{U}}?54?{{/U}}thepriceofeveryitem inthestore.Pricesofeverypurchaseareaddedupautomatically.{{U}}?55 ?{{/U}}shehasfinishedshoppingthecustomerhandshercardtoacashier who{{U}}?56?{{/U}}itintotheregister.Asecondlaterthe{{U}} ?57?{{/U}}popsout.??Shopliftingisphysically impossible.Onceyoutouchacommoditythecomputerremembersitnomatterhow youhideitor{{U}}?58?{{/U}}youeatitonthespot.??A cashierattheOKsupermarketisnowabletowork15timesfasterthanher{{U}} ?59?{{/U}}ataconventionalsupermarket.Onlytwocashiers{{U}} ?60?{{/U}}arerequiredatthestorewhich{{U}}?61 ?{{/U}}2500separateitems.Onemanisenoughtokeepthevendingmachine filledbecausewheneverthestockforacertaincommodityis{{U}}?62 ?{{/U}}torunoutaredlampinthecomputer-room{{U}}?63 ?{{/U}}him.??Buttherearedisadvantagestoo:acustomer cannot{{U}}?64?{{/U}}hisorhermindaboutapurchase.Oncetouched theitemcannotbeputback.Thecustomermust{{U}}?65?{{/U}}acashier withitfirstandgetarefundlater.Therearealsonofreshvegetablesorfish onsale—everythingisprepackaged.
WecanrelyonJamestocarryoutthismissionforhisjudgementisalwayssound.
{{*HTML*}}阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 {{B}}?????????? ??TheDangersofSecondhandSmoke{{/B}}??Mostpeople knowthatcigarettesmokingisharmfultotheirhealth.Scientificresearch showsthatitcausesmanykindsofdiseases.Infactmanypeoplewhosmokeget lungcancer.HoweverEdwardGilsonhaslungcancerandhehasneversmoked cigarettes.HeliveswithhiswifeEvelynwhohassmokedaboutapackof cigarettesadaythroughouttheirmarriage{{U}}?46?{{/U}}.? ?NooneknowsforsurewhyMr.Gilsonhaslungcancer.Nevertheless doctorsbelievethatsecondhandsmokemaycauselungcancerinpeoplewhodonot smokebecausenonsmokersoftenbreatheinthesmokefromotherpeople’s cigarettes.{{U}}?47?{{/U}}TheUSEnvironmentalProtectionAgency reportsthatabout53000peopledieintheUnitedStateseachyearasaresult ofexposuretosecondhandsmoke.Thesmokethatcomesfromalitcigarette containsmanydifferentpoisonouschemicals.Inthepastscientistsdidnot thinkthatthesechemicalscouldharmanonsmoker’shealth.{{U}}?48 ?{{/U}}Theydiscoveredthatevennonsmokershadunhealthyamountsofthese toxic有毒的chemicalsintheirbodies.Asamatteroffactalmostallofus breathetobaccosmokeattimeswhetherwerealizeitornot.Forexamplewe cannotavoidsecondhandsmokeinrestaurantshotelsandotherpublicplaces. Eventhoughmanypublicplaceshavenonsmokingareassmokeflowsinfromthe areaswheresmokingispermitted.??Itisevenharderforchildren toavoidsecondhandsmoke.{{U}}?49?{{/U}}Researchshowsthatchildren whoareexposedtosecondhandsmokearesickmoreoftenthanchildrenwholive inhomeswherenoonesmokesandthatthechildrenofsmokersaremorethan twiceaslikelytodeveloplungcancerwhentheyareadultsasarechildrenof nonsmokers.Theriskisevenhigherforchildrenwholiveinhomeswhereboth parentssmoke.??Peoplearebecomingveryawareofthedangersof secondhandsmoke.{{U}}?50?{{/U}}.??A．Recentlythough scientistschangedtheiropinionaftertheystudiedalargegroupof nonsmokers.??B．TheGilsonshavebeenmarriedfor35 years.??C．Thissmokeiscalledsecondhandsmoke.? ?D．Howeversecondhandsmokeisdangeroustoallpeopleoldor young.??E．Asaresulttheyhavepassedlawswhichprohibit peoplefromsmokinginmanypublicplaces.??F．IntheUnited Statesninemillionchildrenundertheageoffiveliveinhomeswithatleast onesmoker.
Electricalappliancessuchastoastersorhairdryersaredesignedtotakeadvantageoftheabilityofanelectriccurrenttoheatawire.
FluShotsOrNot? ItsoundedlikeagoodideawhenNewYorkCity’’smayorRudollphGiulianiadvisedNewYorkersrecentlytogetaflushot.Afterall20000Americanseachyeardieofinfluenza.Andthisyearinparticularthemayorsuggestedgettingaflushotmightbeanespeciallygoodideasinceitcouldhelpdoctorsdistinguishbetweenfluandthedeadlyinhalational吸入的formofanthrax炭疽.How?Bothanthraxandfluexhibitstrikinglysimilarsymptoms—feverchillsandmuscleaches—intheearlydaysoftheinfection.Physicianswouldbequicktosuspectanthraxinanyonewhowasvaccinated接种疫苗againstfluandstilldevelopedfeverandchills.Thatwouldgivethemabetterchancetoidentifyanynewvictimsofterrorwhiletheirinfectionwasstillinitsearliestmosttreatablestages. Orsothemayor’’sreasoningwent.Unfortunatelythereareacoupleofproblemswithhislogic.Foronethinggettingvaccinatedagainstinfluenzadoesn’tguaranteeyouwontgetsick.Althoughhighlyeffectivethefluvaccine疫苗protectsagainstonlythedominanttypesofthediseaseandeventhendoesnotprovide100%protection.Ittakesacoupleofweeksforyourbodytorespondtothevaccinewithasufficientnumberofantibodies抗体.EachyearthousandsofAmericanswhogetthevaccineneverthelessstillgettheflu. Therearealsoplentyofreasonsyoumightdevelopfeverchillsandmuscleachesthathavenothingtodowitheitheranthraxorflu.Indeeddoctorsestimatethatmorethan80%ofallflulikeillnesseseachwinterarecausedbyothergroupsofviruses.Gettingvaccinatedagainstflucantprotectyouagainstsufferingfromtheseotherillnesses. Intheworstcaseaskingallhealthyadultstogetvaccinatedcouldactuallyhavetheoppositeeffecttotheoneintendedleadingtoevenmoredeathsifitmeanswerunoutofshotsforthosewhoaremostvulnerabletotheinfection.Alreadytherehavebeendelaysingettingthisyear’’sshipmentofvaccinetoclinicsanddoctors’’offices.Thosewhoshouldbeatthefrontofthelineincludefolkswhoare65oroldernursing-homeresidentsandadultsandchildrenwithchronichealthproblemsaswellasanyonewhocaresfororliveswithsuchpeople.FlushotsarealsoimportantformenandwomenwhoseimmunesystemisweakenedbyHIV艾滋病病毒orotherconditions. Thebestreasontogetthefluvaccineisthatitprotectsagainstmostflus—notthatyou’’reworriedaboutgettinganthrax.Whileinhalationalanthraxhaskilledonlyfivepeoplesofarmanymorecouldbeatriskfromflu-relatedcomplications.There’’snoneedtoworsenthetragedybymakingthisyear’’sinfluenzaepidemicanyworse. Peoplewhocareforthosemostvulnerabletotheinfluenzainfectionneedn’tgetflushots.
{{*HTML*}}{{B}}第二篇{{/B}} {{B}}??????? ??????WorkandHappiness{{/B}}? ?Whetherworkshouldbeplacedamongthecausesofhappinessoramongthe causesofunhappinessmayperhapsberegardedasadoubtfulquestion. ?Thereiscertainlymuchworkwhichisexceedinglywearyandanexcessof workisalwaysverypainful.Ithinkhoweverthatprovidedworkisnot excessiveinamounteventhedullestworkistomostpeoplelesspainfulthan idleness.Thereareinworkallgradesfrommerereliefoftediumuptothe profoundestdelightsaccordingtothenatureoftheworkandtheabilitiesof theworker.Mostoftheworkthatmostpeoplehavetodoisnotinitself interestingbutevensuchworkhascertaingreatadvantages.Tobeginwithit fillsagoodmanyhoursofthedaywithouttheneedofdecidingwhatoneshall do.Mostpeoplewhentheyareleftfreetofilltheirowntimeaccordingto theirownchoiceareatalosstothinkofanythingsufficientlypleasanttobe worthdoing.Andwhatevertheydecidetheyaretroubledbythefeelingthat somethingelsewouldhavebeenpleasanter.Tobeabletofillleisure intelligentlyisthelastproductofcivilizationandatpresentveryfew peoplehavereachedthislevel.Moreovertheexerciseofchoiceisinitself tiresome.Excepttopeoplewithunusualinitiativeitispositivelyagreeableto betoldwhattodoateachhourofthedayprovidedtheordersarenottoo unpleasant.Mostoftheidlerichsufferunspeakableboredomasthepriceof theirfreedomfromtoil.Attimestheymayfindreliefbyhuntingbiggamein Africaorbyflyingroundtheworldbutthenumberofsuchsensationsis limitedespeciallyafteryouthispast.Accordinglythemoreintelligentrich menworknearlyashardasiftheywerepoorwhilerichwomenforthemostpart keepthemselvesbusywithinnumerabletriflesofthoseearth-shakingimportance theyarefirmlypersuaded.??Workthereforeisdesirablefirst andforemostasapreventiveofboredomfortheboredomthatamanfeelswhen heisdoingnecessarythoughuninterestingworkisasnothingincomparisonwith theboredomthathefeelswhenhehasnothingtodowithhisdays.Withthis advantageofworkanotherisassociatednamelythatitmakesholidaysmuchmore deliciouswhentheycome.Providedamandoesnothavetoworksohardasto impairhisvigorheislikelytofindfarmorezestinhisfreetimethanan idlemancouldpossiblyfind.??Thesecondadvantageofmostpaid workandofsomeunpaidworkisthatitgiveschancesofsuccessand opportunitiesforambition.Inmostworksuccessismeasuredbyincomeand whileourcapitalisticsocietycontinuesthisisinevitable.Itisonlywhere thebestworkisconcernedthatthismeasureceasestobethenaturaloneto apply.Thedesirethatmenfeeltoincreasetheirincomeisquiteasmucha desireforsuccessasfortheextracomfortsthatahigherincomecanacquire. ?Howeverdullworkmaybeitbecomesbearableifitisameansofbuilding upareputationwhetherintheworldatlargeoronlyinone’sown circle.Asputbytheauthormostoftheworkthatmostpeoplehavetodois______.
FluShotsOrNot? ItsoundedlikeagoodideawhenNewYorkCity’’smayorRudollphGiulianiadvisedNewYorkersrecentlytogetaflushot.Afterall20000Americanseachyeardieofinfluenza.Andthisyearinparticularthemayorsuggestedgettingaflushotmightbeanespeciallygoodideasinceitcouldhelpdoctorsdistinguishbetweenfluandthedeadlyinhalational吸入的formofanthrax炭疽.How?Bothanthraxandfluexhibitstrikinglysimilarsymptoms—feverchillsandmuscleaches—intheearlydaysoftheinfection.Physicianswouldbequicktosuspectanthraxinanyonewhowasvaccinated接种疫苗againstfluandstilldevelopedfeverandchills.Thatwouldgivethemabetterchancetoidentifyanynewvictimsofterrorwhiletheirinfectionwasstillinitsearliestmosttreatablestages. Orsothemayor’’sreasoningwent.Unfortunatelythereareacoupleofproblemswithhislogic.Foronethinggettingvaccinatedagainstinfluenzadoesn’tguaranteeyouwontgetsick.Althoughhighlyeffectivethefluvaccine疫苗protectsagainstonlythedominanttypesofthediseaseandeventhendoesnotprovide100%protection.Ittakesacoupleofweeksforyourbodytorespondtothevaccinewithasufficientnumberofantibodies抗体.EachyearthousandsofAmericanswhogetthevaccineneverthelessstillgettheflu. Therearealsoplentyofreasonsyoumightdevelopfeverchillsandmuscleachesthathavenothingtodowitheitheranthraxorflu.Indeeddoctorsestimatethatmorethan80%ofallflulikeillnesseseachwinterarecausedbyothergroupsofviruses.Gettingvaccinatedagainstflucantprotectyouagainstsufferingfromtheseotherillnesses. Intheworstcaseaskingallhealthyadultstogetvaccinatedcouldactuallyhavetheoppositeeffecttotheoneintendedleadingtoevenmoredeathsifitmeanswerunoutofshotsforthosewhoaremostvulnerabletotheinfection.Alreadytherehavebeendelaysingettingthisyear’’sshipmentofvaccinetoclinicsanddoctors’’offices.Thosewhoshouldbeatthefrontofthelineincludefolkswhoare65oroldernursing-homeresidentsandadultsandchildrenwithchronichealthproblemsaswellasanyonewhocaresfororliveswithsuchpeople.FlushotsarealsoimportantformenandwomenwhoseimmunesystemisweakenedbyHIV艾滋病病毒orotherconditions. Thebestreasontogetthefluvaccineisthatitprotectsagainstmostflus—notthatyou’’reworriedaboutgettinganthrax.Whileinhalationalanthraxhaskilledonlyfivepeoplesofarmanymorecouldbeatriskfromflu-relatedcomplications.There’’snoneedtoworsenthetragedybymakingthisyear’’sinfluenzaepidemicanyworse. Itisnoteasytotellanthraxfromfluintheearlydaysoftheinfection.
Throughaprocedureknownastime-sharingonelargecomputercanbeemployedsimultaneouslybylotsofsmallusers.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ????????Supermarket’sNew Strategy{{/B}}??OnesupermarketinTokyohasmanagedtosolvethe problemsofshopliftingmistakesbycashiersandlonglinesofcustomers waitingatthecashregisters.ItisJapan’sadvancedcomputertechnologythat hascome{{U}}?51?{{/U}}withtheanswers.??Shoppersat anOKsupermarketontheoutskirtsofthecitynowpushacart{{U}}?52 ?{{/U}}aplasticcardchainedtoitandbuyfromglasscaseswherethegoods areondisplay.Theplasticcardhasamagneticnumberimprintedonit.Each customercarrieshisorherowncardwhichis{{U}}?53?{{/U}}atthe exit.Whileshoppingthecustomerpushesthecardintoaslotbesidewhichever itemsarewantedandpushesabuttonortwo.Theglasscoveredvendingmachines areconnectedtoacomputerthat{{U}}?54?{{/U}}thepriceofeveryitem inthestore.Pricesofeverypurchaseareaddedupautomatically.{{U}}?55 ?{{/U}}shehasfinishedshoppingthecustomerhandshercardtoacashier who{{U}}?56?{{/U}}itintotheregister.Asecondlaterthe{{U}} ?57?{{/U}}popsout.??Shopliftingisphysically impossible.Onceyoutouchacommoditythecomputerremembersitnomatterhow youhideitor{{U}}?58?{{/U}}youeatitonthespot.??A cashierattheOKsupermarketisnowabletowork15timesfasterthanher{{U}} ?59?{{/U}}ataconventionalsupermarket.Onlytwocashiers{{U}} ?60?{{/U}}arerequiredatthestorewhich{{U}}?61 ?{{/U}}2500separateitems.Onemanisenoughtokeepthevendingmachine filledbecausewheneverthestockforacertaincommodityis{{U}}?62 ?{{/U}}torunoutaredlampinthecomputer-room{{U}}?63 ?{{/U}}him.??Buttherearedisadvantagestoo:acustomer cannot{{U}}?64?{{/U}}hisorhermindaboutapurchase.Oncetouched theitemcannotbeputback.Thecustomermust{{U}}?65?{{/U}}acashier withitfirstandgetarefundlater.Therearealsonofreshvegetablesorfish onsale—everythingisprepackaged.
Vegetarianism Astrictvegetarianisapersonwhoneverinhislifeeatsanythingderivedfromanimals.Themainobjectiontovegetarianismonalong-termbasisisthedifficultytogettingenoughproteinthebodybuildingelementsinfood.Ifyouhaveeverbeenwithoutmeatoranimalfoodsforsomedaysofweekssayreligiousreasonsyouwillhavenoticedthatyoutendtogetphysicallyratherweak.Youaregladwhenthefastisoverandyougetyourrewardofasucculentmeatmeal.Proteinsarebuiltupfromapproximatelytwentyfoodelementscalledamino-acidswhicharefoundmoreabundantlyinanimalproteinthaninvegetableprotein.Thismeansyouhavetoeatagreatdealmorevegetablethananimalfoodinordertogetenoughoftheseamino-acids.Agreatofthevegetablefoodgoestowasteinthisprocessandfromthephysiologicalpointofviewthereisnotmuchtobesaidinfavoroflife-longvegetarianism. Theeconomicsideofthequestionthoughmustbeconsidered.Vegetablefoodismuchcheaperthananimalfood.Howeversinceonlyasmallproportionofthevegetableproteinisusefulforbody-buildingpurposesaconsistentvegetarianifheistogainthenecessary70gramsofproteinadayhastoconsumeagreaterbulkoffoodthanhisdigestiveorganscancomfortablydealwith.Infairnessthoughitmustbepointedoutthatvegetariansclaimtheyneedfarlessthan70gramsofproteinaday. Whetherornotvegetarianismshouldbeadvocatedforadultsitisdefinitelyunsatisfactoryforgrowingchildrenwhoneedmoreproteinthantheycangetfromvegetablesource’’s.Alacto-vegetariandietwhichincludesmilkandmilkproductssuchascheesecanhoweverbesatisfactoryaslongasenoughmilkandmilkproductsareconsumed. Meatandcheesearethebestsourcesofusabledigestibleandnextcomemilkfishandeggs.Slowandcarefulcookingofmeatmakesitmoredigestibleandassistsinthebreakingdownoftheproteincontentbythebody.Whencookingvegetableshoweverthevitaminsandinparticularthewater-solubevitaminCshouldbelostthroughovercooking. Comparedwithvegetablefoodanimalfoodcontains______.
MylittledaughterkeptpullingmyhairandIwasreallyannoyed.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ????????Supermarket’sNew Strategy{{/B}}??OnesupermarketinTokyohasmanagedtosolvethe problemsofshopliftingmistakesbycashiersandlonglinesofcustomers waitingatthecashregisters.ItisJapan’sadvancedcomputertechnologythat hascome{{U}}?51?{{/U}}withtheanswers.??Shoppersat anOKsupermarketontheoutskirtsofthecitynowpushacart{{U}}?52 ?{{/U}}aplasticcardchainedtoitandbuyfromglasscaseswherethegoods areondisplay.Theplasticcardhasamagneticnumberimprintedonit.Each customercarrieshisorherowncardwhichis{{U}}?53?{{/U}}atthe exit.Whileshoppingthecustomerpushesthecardintoaslotbesidewhichever itemsarewantedandpushesabuttonortwo.Theglasscoveredvendingmachines areconnectedtoacomputerthat{{U}}?54?{{/U}}thepriceofeveryitem inthestore.Pricesofeverypurchaseareaddedupautomatically.{{U}}?55 ?{{/U}}shehasfinishedshoppingthecustomerhandshercardtoacashier who{{U}}?56?{{/U}}itintotheregister.Asecondlaterthe{{U}} ?57?{{/U}}popsout.??Shopliftingisphysically impossible.Onceyoutouchacommoditythecomputerremembersitnomatterhow youhideitor{{U}}?58?{{/U}}youeatitonthespot.??A cashierattheOKsupermarketisnowabletowork15timesfasterthanher{{U}} ?59?{{/U}}ataconventionalsupermarket.Onlytwocashiers{{U}} ?60?{{/U}}arerequiredatthestorewhich{{U}}?61 ?{{/U}}2500separateitems.Onemanisenoughtokeepthevendingmachine filledbecausewheneverthestockforacertaincommodityis{{U}}?62 ?{{/U}}torunoutaredlampinthecomputer-room{{U}}?63 ?{{/U}}him.??Buttherearedisadvantagestoo:acustomer cannot{{U}}?64?{{/U}}hisorhermindaboutapurchase.Oncetouched theitemcannotbeputback.Thecustomermust{{U}}?65?{{/U}}acashier withitfirstandgetarefundlater.Therearealsonofreshvegetablesorfish onsale—everythingisprepackaged.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ????????Supermarket’sNew Strategy{{/B}}??OnesupermarketinTokyohasmanagedtosolvethe problemsofshopliftingmistakesbycashiersandlonglinesofcustomers waitingatthecashregisters.ItisJapan’sadvancedcomputertechnologythat hascome{{U}}?51?{{/U}}withtheanswers.??Shoppersat anOKsupermarketontheoutskirtsofthecitynowpushacart{{U}}?52 ?{{/U}}aplasticcardchainedtoitandbuyfromglasscaseswherethegoods areondisplay.Theplasticcardhasamagneticnumberimprintedonit.Each customercarrieshisorherowncardwhichis{{U}}?53?{{/U}}atthe exit.Whileshoppingthecustomerpushesthecardintoaslotbesidewhichever itemsarewantedandpushesabuttonortwo.Theglasscoveredvendingmachines areconnectedtoacomputerthat{{U}}?54?{{/U}}thepriceofeveryitem inthestore.Pricesofeverypurchaseareaddedupautomatically.{{U}}?55 ?{{/U}}shehasfinishedshoppingthecustomerhandshercardtoacashier who{{U}}?56?{{/U}}itintotheregister.Asecondlaterthe{{U}} ?57?{{/U}}popsout.??Shopliftingisphysically impossible.Onceyoutouchacommoditythecomputerremembersitnomatterhow youhideitor{{U}}?58?{{/U}}youeatitonthespot.??A cashierattheOKsupermarketisnowabletowork15timesfasterthanher{{U}} ?59?{{/U}}ataconventionalsupermarket.Onlytwocashiers{{U}} ?60?{{/U}}arerequiredatthestorewhich{{U}}?61 ?{{/U}}2500separateitems.Onemanisenoughtokeepthevendingmachine filledbecausewheneverthestockforacertaincommodityis{{U}}?62 ?{{/U}}torunoutaredlampinthecomputer-room{{U}}?63 ?{{/U}}him.??Buttherearedisadvantagestoo:acustomer cannot{{U}}?64?{{/U}}hisorhermindaboutapurchase.Oncetouched theitemcannotbeputback.Thecustomermust{{U}}?65?{{/U}}acashier withitfirstandgetarefundlater.Therearealsonofreshvegetablesorfish onsale—everythingisprepackaged.
ModernDrugs Doctorssixtyyearsagocoulddolittletohelpvictimsofpolio.Seriouscasesusuallyendedindeath.In1955avaccinewasdevelopedthatpreventedthedisease.Todaypolioisnolongeramajorhealthproblem. Manyofthemostimportantdrugsthatdoctorsprescribetodayhavebeendevelopedinthelast30years.Moderndrugsarecomplexspecificandpowerful.Peopleneedtoknowmoreaboutdrugsinordertousethemsafely. Earlypeoplediscoveredbyaccidentthatsomeoftheplantsgrowingaroundthemseemedusefultohealsoresrelievepainorevencurediseases.Theseplantswerethefirstdrugs.Nowplantsarestillthesourceofsomedrugs.Quinineforexampleisabitter-tastingdrugusedtotreatthechillsandfeverofmalariaandtoreduceattacksofthedisease.ItismadefromthebarkofthecinchonatreewhichgrowsintheAndesMountains.TheIndiansofthatregionwerethefirsttousethebarkasamedicine.TheSpanishpeopleprobablybroughtittoEuropeintheearly1600s.Chemistslearnedhowtogetthepuredrugfromthebarkandin1944;itwasmadeartificiallyinthelaboratory. Otherimportantdrugssuchashormonesandvaccinesareobtainedfromanimals.Butmostofthemoderndrugscomefromchemicalcombinationsworkedoutbyresearchscientists.Mostpeopleneverseedrugsintheirsimpleformaschemicals.Insteadtheyareseenastabletscapsulesorliquidsthatcontainthedrugandotheringredients. Peopleusedrugstogetdifferentresults.Somedrugsattacktheorganismthatcausesadisease.Theycurebykillingtheorganism.Otherdrugsrelievewhatwecallthesymptomsofthedisease:theheadachepainfeverorchillsandmakethepatientmorecomfortable.Theseconstitutemostover-the-counterdrugs.Peoplecangetthemindrugstores. ConcerningthedrugquininewhichofthefollowingisNOTtrue?
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ????????Supermarket’sNew Strategy{{/B}}??OnesupermarketinTokyohasmanagedtosolvethe problemsofshopliftingmistakesbycashiersandlonglinesofcustomers waitingatthecashregisters.ItisJapan’sadvancedcomputertechnologythat hascome{{U}}?51?{{/U}}withtheanswers.??Shoppersat anOKsupermarketontheoutskirtsofthecitynowpushacart{{U}}?52 ?{{/U}}aplasticcardchainedtoitandbuyfromglasscaseswherethegoods areondisplay.Theplasticcardhasamagneticnumberimprintedonit.Each customercarrieshisorherowncardwhichis{{U}}?53?{{/U}}atthe exit.Whileshoppingthecustomerpushesthecardintoaslotbesidewhichever itemsarewantedandpushesabuttonortwo.Theglasscoveredvendingmachines areconnectedtoacomputerthat{{U}}?54?{{/U}}thepriceofeveryitem inthestore.Pricesofeverypurchaseareaddedupautomatically.{{U}}?55 ?{{/U}}shehasfinishedshoppingthecustomerhandshercardtoacashier who{{U}}?56?{{/U}}itintotheregister.Asecondlaterthe{{U}} ?57?{{/U}}popsout.??Shopliftingisphysically impossible.Onceyoutouchacommoditythecomputerremembersitnomatterhow youhideitor{{U}}?58?{{/U}}youeatitonthespot.??A cashierattheOKsupermarketisnowabletowork15timesfasterthanher{{U}} ?59?{{/U}}ataconventionalsupermarket.Onlytwocashiers{{U}} ?60?{{/U}}arerequiredatthestorewhich{{U}}?61 ?{{/U}}2500separateitems.Onemanisenoughtokeepthevendingmachine filledbecausewheneverthestockforacertaincommodityis{{U}}?62 ?{{/U}}torunoutaredlampinthecomputer-room{{U}}?63 ?{{/U}}him.??Buttherearedisadvantagestoo:acustomer cannot{{U}}?64?{{/U}}hisorhermindaboutapurchase.Oncetouched theitemcannotbeputback.Thecustomermust{{U}}?65?{{/U}}acashier withitfirstandgetarefundlater.Therearealsonofreshvegetablesorfish onsale—everythingisprepackaged.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}}??????? ??EatingMeat—LessorMore?{{/B}}??Everysecondinthe UnitedStatesalonemorethan250animalsareslaughteredforfoodaddingup tomorethan8billionanimalseachyear.Reducingtheamountofmeatinone’s dietisnutritionallyenvironmentallyandethicallybeneficial.? ?Peoplewhoeatmeatusuallyhaveweakerimmunesystemscomparedtothose ofvegetarians.Meathasbeendirectlylinkedtodiabetesobesityarthritis andmanyotherillnesses.Furthermoremeat-eatersareatahigherriskfor diseasesincludingcancerandtheyaremorelikelytodiefromthesediseases. Criticssaythatameatlessdietdoesnotprovideenoughnutrientsespecially proteinandiron.ActuallyaccordingtoATeen’sGuidetoGoingVegetarianby JudyKrizmanicproteinisfoundinalmosteveryfoodandironappearsinmany vegetables.Gettingenoughnutrientsinameat-reduceddietshouldnotbe difficult.A1988studyfoundthatsomeofthehighestpesticideresiduesappear inmeatandeggs.Dietsincludingmorefruitsandvegetableswillonlymake peoplehealthier.??Someskepticsbelievethattherewillbea shortageoffoodifanimalsarenoteaten.Infacttheoppositeistrue.More than80%ofthecornand95%oftheoatsgrownintheU.S.arefedto livestock.Theworld’scattlealoneconsumeenoughfoodtoequalthecaloric needsof8.7billionpeoplemorethantheentirehumanpopulation.Onehalfof thewaterusedintheUnitesStatesalsogoestolivestock;250gallonsofwater producesonly1lb.ofbeef.Ifpeopleeatlessmeatandmoreplantstheamount ofavailablefoodwillincrease.??Manypeoplebecomevegetarians becausetheyfeelthateatinganimalsisunethical.90%oftheseanimalsare raisedinconfinement.Chickensandotherbirdshaveonlyabouthalfasquare footofspaceeachandsincetheyareraisedsoclosetogetheralotofblade isusedtocutofftheirbeakstopreventthemfrompeckingeachothertodeath. Likewisepigsthatarerepressedwillbiteeachother’stailssoboththeir teethandtailsareremovedassoonastheyareborn.??Eating animalsishazardousinnumerousways.Evenaslightreductioninmeatintakeis betterthannothingatall.Consuminglessmeatisbeneficialtothehealthof animalsthehealthofpeopleandtothehealthofthe world.WhichofthefollowingstatementsistrueaccordingtothebookATeen’sGuidetoGoingVegetarian?______
ModernDrugs Doctorssixtyyearsagocoulddolittletohelpvictimsofpolio.Seriouscasesusuallyendedindeath.In1955avaccinewasdevelopedthatpreventedthedisease.Todaypolioisnolongeramajorhealthproblem. Manyofthemostimportantdrugsthatdoctorsprescribetodayhavebeendevelopedinthelast30years.Moderndrugsarecomplexspecificandpowerful.Peopleneedtoknowmoreaboutdrugsinordertousethemsafely. Earlypeoplediscoveredbyaccidentthatsomeoftheplantsgrowingaroundthemseemedusefultohealsoresrelievepainorevencurediseases.Theseplantswerethefirstdrugs.Nowplantsarestillthesourceofsomedrugs.Quinineforexampleisabitter-tastingdrugusedtotreatthechillsandfeverofmalariaandtoreduceattacksofthedisease.ItismadefromthebarkofthecinchonatreewhichgrowsintheAndesMountains.TheIndiansofthatregionwerethefirsttousethebarkasamedicine.TheSpanishpeopleprobablybroughtittoEuropeintheearly1600s.Chemistslearnedhowtogetthepuredrugfromthebarkandin1944;itwasmadeartificiallyinthelaboratory. Otherimportantdrugssuchashormonesandvaccinesareobtainedfromanimals.Butmostofthemoderndrugscomefromchemicalcombinationsworkedoutbyresearchscientists.Mostpeopleneverseedrugsintheirsimpleformaschemicals.Insteadtheyareseenastabletscapsulesorliquidsthatcontainthedrugandotheringredients. Peopleusedrugstogetdifferentresults.Somedrugsattacktheorganismthatcausesadisease.Theycurebykillingtheorganism.Otherdrugsrelievewhatwecallthesymptomsofthedisease:theheadachepainfeverorchillsandmakethepatientmorecomfortable.Theseconstitutemostover-the-counterdrugs.Peoplecangetthemindrugstores. Theover-the-counterdrugsarethosethat______.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}}??????? ??EatingMeat—LessorMore?{{/B}}??Everysecondinthe UnitedStatesalonemorethan250animalsareslaughteredforfoodaddingup tomorethan8billionanimalseachyear.Reducingtheamountofmeatinone’s dietisnutritionallyenvironmentallyandethicallybeneficial.? ?Peoplewhoeatmeatusuallyhaveweakerimmunesystemscomparedtothose ofvegetarians.Meathasbeendirectlylinkedtodiabetesobesityarthritis andmanyotherillnesses.Furthermoremeat-eatersareatahigherriskfor diseasesincludingcancerandtheyaremorelikelytodiefromthesediseases. Criticssaythatameatlessdietdoesnotprovideenoughnutrientsespecially proteinandiron.ActuallyaccordingtoATeen’sGuidetoGoingVegetarianby JudyKrizmanicproteinisfoundinalmosteveryfoodandironappearsinmany vegetables.Gettingenoughnutrientsinameat-reduceddietshouldnotbe difficult.A1988studyfoundthatsomeofthehighestpesticideresiduesappear inmeatandeggs.Dietsincludingmorefruitsandvegetableswillonlymake peoplehealthier.??Someskepticsbelievethattherewillbea shortageoffoodifanimalsarenoteaten.Infacttheoppositeistrue.More than80%ofthecornand95%oftheoatsgrownintheU.S.arefedto livestock.Theworld’scattlealoneconsumeenoughfoodtoequalthecaloric needsof8.7billionpeoplemorethantheentirehumanpopulation.Onehalfof thewaterusedintheUnitesStatesalsogoestolivestock;250gallonsofwater producesonly1lb.ofbeef.Ifpeopleeatlessmeatandmoreplantstheamount ofavailablefoodwillincrease.??Manypeoplebecomevegetarians becausetheyfeelthateatinganimalsisunethical.90%oftheseanimalsare raisedinconfinement.Chickensandotherbirdshaveonlyabouthalfasquare footofspaceeachandsincetheyareraisedsoclosetogetheralotofblade isusedtocutofftheirbeakstopreventthemfrompeckingeachothertodeath. Likewisepigsthatarerepressedwillbiteeachother’stailssoboththeir teethandtailsareremovedassoonastheyareborn.??Eating animalsishazardousinnumerousways.Evenaslightreductioninmeatintakeis betterthannothingatall.Consuminglessmeatisbeneficialtothehealthof animalsthehealthofpeopleandtothehealthofthe world.Whatistheattitudetheauthorhastowardeatingmeat?______
Hehasthoughtoutthebestwayofsavingoilforyourcar.
ViceVaccines Atfirstglancevicevaccineslookjustgreat.Theseinjectionspromisetoinactivatedrugssuchascocaineheroinandnicotineinthebloodstreambeforetheyreachthebrain.Withoutthehitpeoplejustwon’’tcomebackformore. It’’struethatthesevaccinesarestillbeingdevelopedsotheirfullrisksandbenefitsarenotyetclear.Butallthesignsarethatforpeoplewhoareindangerofoverdosingorforaddictswhowanttogetthemselvescleanbutneedsomehelptoovercometheircravingthevaccineswillbeimmenselyvaluable. Butlikemanynewtechnologiestheyalsobringdifficultchoices.Willconvictedcriminalswhostealtofeedtheirdrughabitbeallowedbackontothestreetiftheyagreetobevaccinatedforexample?Couldajudgeevencompelthesepeopletobevaccinated? Perhapsthemostcontroversialdebatethatvicevaccineshaveraisediswhethertheyshouldbegivenroutinelytochildrenlikepolioormeaslesvaccines.Thisis.notadistantworry.Nosoonertheyhavefoundthemselvessubmergedwithrequestsfromworriedparentswhowanttheirchildrenvaccinated.Isthisreallywhatwewantforfuturegenerations? Foranysocietythatvaluespersonalfreedomtheanswerhastobeno.Peoplehavetherighttochoosehowtobehavewhetherit’’sgoodorbadlegalornot.Letnotignorethefactthatmillionsofpeopletakeillegaldrugsforpleasurewithoutbecomingaddicted.Administeringvicevaccineswillmeanthatyoungstersarenolongerfreetomakesuchchoicesforthemselves.ItwouldbelikeareturntoPleasantvile. Andrememberwe’’rejusttalkingaboutillegaldrugshere.Onevaccineunderdevelopmentactsagainstnicotineandifitsnicotinetodaywhynotcaffeinetomorrow?Society’’sattitudestodrugschange.Fortyyearsagosmokingwasfine.AcenturyagoAmericanshipoperatorsweregivingstevedores码头工人cocainetospeeduptheirwork. Likeitornotpeoplehavebeentakingmind-alteringchemicalssincebeforerecordedhistory.Eachvaccineactsonlyagainstaspecificdrugandstoppingpeoplegettinghighononedrugwillsimplypushthemtotakeothers—asaddictionresearchershavealreadyfound.Sodrugusewon’’tgoawaythedrugswilljustchange. Opposingthewidespreaduseofvicevaccinesforyoungstersisnottoadvocatedruguse.Byallmeansletvicevaccinessparkarevolutionindetox解毒clinics.Butwhenitcomestohelpingchildrendealwithdrugsthewaytohelpthemisthrougheducationensuringthattheycanfollowlifestylesthatareincompatiblewithdrugtakingandgivingthemthetoolstospotrisksandmakeinformedchoices. Theproblemofdrugabuseisboundupwithmodernsocietyincomplexways.Simplechemicalsolutionsareunlikelytoprovidethewholeanswer. Thewordhitinthefirstparagraphrefersto______.
{{*HTML*}}阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 {{B}}?????????? ??TheDangersofSecondhandSmoke{{/B}}??Mostpeople knowthatcigarettesmokingisharmfultotheirhealth.Scientificresearch showsthatitcausesmanykindsofdiseases.Infactmanypeoplewhosmokeget lungcancer.HoweverEdwardGilsonhaslungcancerandhehasneversmoked cigarettes.HeliveswithhiswifeEvelynwhohassmokedaboutapackof cigarettesadaythroughouttheirmarriage{{U}}?46?{{/U}}.? ?NooneknowsforsurewhyMr.Gilsonhaslungcancer.Nevertheless doctorsbelievethatsecondhandsmokemaycauselungcancerinpeoplewhodonot smokebecausenonsmokersoftenbreatheinthesmokefromotherpeople’s cigarettes.{{U}}?47?{{/U}}TheUSEnvironmentalProtectionAgency reportsthatabout53000peopledieintheUnitedStateseachyearasaresult ofexposuretosecondhandsmoke.Thesmokethatcomesfromalitcigarette containsmanydifferentpoisonouschemicals.Inthepastscientistsdidnot thinkthatthesechemicalscouldharmanonsmoker’shealth.{{U}}?48 ?{{/U}}Theydiscoveredthatevennonsmokershadunhealthyamountsofthese toxic有毒的chemicalsintheirbodies.Asamatteroffactalmostallofus breathetobaccosmokeattimeswhetherwerealizeitornot.Forexamplewe cannotavoidsecondhandsmokeinrestaurantshotelsandotherpublicplaces. Eventhoughmanypublicplaceshavenonsmokingareassmokeflowsinfromthe areaswheresmokingispermitted.??Itisevenharderforchildren toavoidsecondhandsmoke.{{U}}?49?{{/U}}Researchshowsthatchildren whoareexposedtosecondhandsmokearesickmoreoftenthanchildrenwholive inhomeswherenoonesmokesandthatthechildrenofsmokersaremorethan twiceaslikelytodeveloplungcancerwhentheyareadultsasarechildrenof nonsmokers.Theriskisevenhigherforchildrenwholiveinhomeswhereboth parentssmoke.??Peoplearebecomingveryawareofthedangersof secondhandsmoke.{{U}}?50?{{/U}}.??A．Recentlythough scientistschangedtheiropinionaftertheystudiedalargegroupof nonsmokers.??B．TheGilsonshavebeenmarriedfor35 years.??C．Thissmokeiscalledsecondhandsmoke.? ?D．Howeversecondhandsmokeisdangeroustoallpeopleoldor young.??E．Asaresulttheyhavepassedlawswhichprohibit peoplefromsmokinginmanypublicplaces.??F．IntheUnited Statesninemillionchildrenundertheageoffiveliveinhomeswithatleast onesmoker.
{{*HTML*}}阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 {{B}}?????????? ??TheDangersofSecondhandSmoke{{/B}}??Mostpeople knowthatcigarettesmokingisharmfultotheirhealth.Scientificresearch showsthatitcausesmanykindsofdiseases.Infactmanypeoplewhosmokeget lungcancer.HoweverEdwardGilsonhaslungcancerandhehasneversmoked cigarettes.HeliveswithhiswifeEvelynwhohassmokedaboutapackof cigarettesadaythroughouttheirmarriage{{U}}?46?{{/U}}.? ?NooneknowsforsurewhyMr.Gilsonhaslungcancer.Nevertheless doctorsbelievethatsecondhandsmokemaycauselungcancerinpeoplewhodonot smokebecausenonsmokersoftenbreatheinthesmokefromotherpeople’s cigarettes.{{U}}?47?{{/U}}TheUSEnvironmentalProtectionAgency reportsthatabout53000peopledieintheUnitedStateseachyearasaresult ofexposuretosecondhandsmoke.Thesmokethatcomesfromalitcigarette containsmanydifferentpoisonouschemicals.Inthepastscientistsdidnot thinkthatthesechemicalscouldharmanonsmoker’shealth.{{U}}?48 ?{{/U}}Theydiscoveredthatevennonsmokershadunhealthyamountsofthese toxic有毒的chemicalsintheirbodies.Asamatteroffactalmostallofus breathetobaccosmokeattimeswhetherwerealizeitornot.Forexamplewe cannotavoidsecondhandsmokeinrestaurantshotelsandotherpublicplaces. Eventhoughmanypublicplaceshavenonsmokingareassmokeflowsinfromthe areaswheresmokingispermitted.??Itisevenharderforchildren toavoidsecondhandsmoke.{{U}}?49?{{/U}}Researchshowsthatchildren whoareexposedtosecondhandsmokearesickmoreoftenthanchildrenwholive inhomeswherenoonesmokesandthatthechildrenofsmokersaremorethan twiceaslikelytodeveloplungcancerwhentheyareadultsasarechildrenof nonsmokers.Theriskisevenhigherforchildrenwholiveinhomeswhereboth parentssmoke.??Peoplearebecomingveryawareofthedangersof secondhandsmoke.{{U}}?50?{{/U}}.??A．Recentlythough scientistschangedtheiropinionaftertheystudiedalargegroupof nonsmokers.??B．TheGilsonshavebeenmarriedfor35 years.??C．Thissmokeiscalledsecondhandsmoke.? ?D．Howeversecondhandsmokeisdangeroustoallpeopleoldor young.??E．Asaresulttheyhavepassedlawswhichprohibit peoplefromsmokinginmanypublicplaces.??F．IntheUnited Statesninemillionchildrenundertheageoffiveliveinhomeswithatleast onesmoker.{{*HTML*}}
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