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A. before the cancer cells spread elsewhere ? ?B. the more chances of dying of X-ray radiation he wi...
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{{*HTML*}}A.tosendgoodstovariouspartsoftheworld??B.atanytimeduringtheyear??C.hasgreatlypromotedtrade??D.isitpossibletoproduceonalargescale??E.thetransportofgoods??F.itispossibletoproduceonalargescaleTransporthasmadeitpossibleforpeopletoeatwhateverfoodtheywant______.
Ididn'thelphim.IwouldhavehoweverIdidn'thavethemoney.
IwasamazedatthebeautyofthemountainwhenIreachedthetop.
MoreThanaRidetoSchool TheNationalEducationAssociationclaims"Theschoolbusisamirrorofthecommunity."Theyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnotalwaysreflecttherealityofachosencommunity.Theyareright—sometimesitreflectsmore!JustaskLieslDenson.RidingtheschoolbushasbeenmorethanaridetoschoolforLiesl. BruceHardyschoolbusdriverforAlthouseBusCompanyhasbeenLiesl’sbusdriversincekindergarten.LastyearwhenLiesl’sfamilymovedtoParkesburgknowingherbuswentbyhernewresidencesherequestedtoridethesamebus. ThisyearLieslisaseniorandwillenjoyherlastyearridingthebus.Shesays"It’sbeenagreatridesofar!Mybusdriverissocoolandhasalwaysbeenagoodfriendandagoodlistener.Sometimeswhenyou’reachildadultsdonotthinkthatwhatyouhavetosayisimportant.Mr.Hardyalwayslistenstowhatyouhavetosayandmakesyoufeelimportant."HerfriendsAshleyBatistaandAmandaWolfeagree. BruceHardyhasbeenmakingOctorarastudentsfeelspecialsince1975.Thisyearhewillcelebrate30yearsworkingforAlthouseBusCompany.LarryAlthousepresidentofthecompanyacknowledgesBruceHardy’soutstandingrecord:"YoudonotcomebyemployeeslikeBrucethesedays.Hehasnevermissedadayofworkandhasaperfectdrivingrecord.Hewasrecognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving350000accidentfreemiles.Hardy’sreputationismadefurtherevidentthroughtherelationshipshehasmadewiththestudentsthatridehisbus. Althousefurtheradds"AlthouseBusCompanywasestablished70yearsagoandhasbeenprovidingqualitytransportationeversince.Mygrandfatherstartedthebusinesswithonebus.AlthouseBusCompanyisdelightedtohavetheopportunitytobringdistinctiveandsafeservicetoourlocalschoolandcommunityandlooksforwardtocontinuingtoprovidequalityserviceformanymoreyearstocome." Threegenerationsofbusinessisnotallthecompanyhasenjoyed.ThankstodriverslikeBruceHardytheyhavebeenbuildingrelationshipsthroughgenerations.LiesrsmotherCarolalsoenjoysfondmemoriesofridingBruceHardy’sbustotheOctoraraSchool.District. AlthouseBusCompanywasfoundedby
DoyouwakeupeverydayfeelingtootiredorevenupsetIfsothenanewalarmclockcouldbejustforyou. TheclockcalledSleepSmartmeasuresyoursleepcycleandwaitsforyoutobeinyourlightestphaseofsleep51rousingyou.Itsmakerssaythatshould52youwakeupfeelingrefreshedeverymorning. Asyousleepyoupass53asequenceofsleepstates-lightsleepdeepsleepandREMrapideyemovementsleep-that54approximatelyevery90minutes.Thepointinthatcycleatwhichyouwakecan55howyoufeellaterandmayevenhaveagreaterimpactthanhowmuchorlittleyouhaveslept.Beingrousedduringalightphasemeansyouaremorelikelytowakeupenergetic. SleepSmart56thedistinctpatternofbrainwaves57duringeachphaseofsleepviaaheadbandequipped58electrodes电极andamicroprocessor.Thismeasurestheelectricalactivityofthewearer’sbraininmuchthe59wayassomemachinesusedformedicalandresearch60andcommunicateswirelesslywithaclockunitnearthebed.You61theclockwiththelatesttimeat62youwanttobewakenedanditthenduly适时地wakesyouduringthesleepphasebeforethat. The63wasinventedbyagroupofstudentsatBrownUniversityinRhodeIsland64afriendcomplainedofwakinguptiredandperformingpoorlyonatest."Assleep-deprivedpeopleourselveswestartedthinkingof65todoaboutit"saysEricShashouaarecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratoriesacompanycreatedbythestudentstodeveloptheiridea. 64
Food TheU.S.foodsupplyisthemostvariedandabundantintheworld.Americansspendasmallershareoftheirdisposableincomeonfoodthancitizensofanyothercountryandchoosefromanaverageof50000differentfoodproductsonatypicaloutingtothesupermarket.In1994thefowlsupplyprovidedanestimated3800caloriesperpersonperdayenoughtosupplyeveryAmericanwithmorethanoneandahalftimestheiraveragedailyenergyneeds.GiventhisabundancefewoftheNationsresourceshavetraditionallybeendevotedtomeasuringorreducingfoodwaste. Inrecentyearsgrowingconcernabouthungerresourceconservationandtheenvironmentalandeconomiccostsassociatedwithfoodwastehaveraisedpublicawarenessoffoodloss.Thisinturnhasacceleratedpublicandprivateeffortstomakebetteruseofavailablefoodsuppliesbyrecoveringsafeandnutritiousfoodthatwouldotherwisebewasted. Ofcoursenotallfoodthatislostissuitableforconsumption.Somelosseslikethecondemnationofdiseasedanimalsattheslaughteringhouse屠宰场orthediscardofrottenfruitfromtheproduceshelfatthesupermarketarenecessarytoensurethesafetyandhealthoftheU.S.foodsupply.Suchfoodsarenotrecoverableforhumanuse. Likewiseplatefragmentsareappropriatelydiscardedateatingestablishmentsoutofhealthconsiderations.Inadditionnotallfoodthatislostiseconomicallyrecoverable.Foodrecoveryeffortsareoftenlimitedbyfinancialrestraintsthatmakeitdifficulttomatchrecoveredfoodwithpotentialrecipients. Neverthelesslargequantitiesofhealthyediblefoodarelostateverystageofthemarketingsystem.Exampleofsuchlossesincludemeatsbreadandotherfoodspreparedbyarestaurantorhotelbutneverservedandthediscardofdefectedorover-ripe.producewhichmaybedifficulttoselloutforsomereasonsbutareotherwisenutritiousandsafe. TheAmericanfoodindustrycanproduceenoughproductsforitsentirepeople.
DoyouwakeupeverydayfeelingtootiredorevenupsetIfsothenanewalarmclockcouldbejustforyou. TheclockcalledSleepSmartmeasuresyoursleepcycleandwaitsforyoutobeinyourlightestphaseofsleep51rousingyou.Itsmakerssaythatshould52youwakeupfeelingrefreshedeverymorning. Asyousleepyoupass53asequenceofsleepstates-lightsleepdeepsleepandREMrapideyemovementsleep-that54approximatelyevery90minutes.Thepointinthatcycleatwhichyouwakecan55howyoufeellaterandmayevenhaveagreaterimpactthanhowmuchorlittleyouhaveslept.Beingrousedduringalightphasemeansyouaremorelikelytowakeupenergetic. SleepSmart56thedistinctpatternofbrainwaves57duringeachphaseofsleepviaaheadbandequipped58electrodes电极andamicroprocessor.Thismeasurestheelectricalactivityofthewearer’sbraininmuchthe59wayassomemachinesusedformedicalandresearch60andcommunicateswirelesslywithaclockunitnearthebed.You61theclockwiththelatesttimeat62youwanttobewakenedanditthenduly适时地wakesyouduringthesleepphasebeforethat. The63wasinventedbyagroupofstudentsatBrownUniversityinRhodeIsland64afriendcomplainedofwakinguptiredandperformingpoorlyonatest."Assleep-deprivedpeopleourselveswestartedthinkingof65todoaboutit"saysEricShashouaarecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratoriesacompanycreatedbythestudentstodeveloptheiridea. 62
Beforetheinventionofphotoengravingsteelandcopperplateengravingservedastheprincipalmeansofreproducingillustrations.
YouthEmancipationinSpainTheSpanishGovernmentissoworriedaboutthenumberofyoungadultsstilllivingwiththeirparentsthatithasdecidedtohelpthemleavethenest.Around55percentofpeopleaged18-34inSpainstillsleepintheirparents’homesaysthelatestreportfromthecountry’sstate-runInstituteofYouth.Tocoax劝诱youngpeoplefromtheirhomestheInstitutestartedaYouthEmancipation解放programmethismonth.Theprogrammeoffersguidanceinfindingroomsandjobs.Economistsblameyoungpeople’sfamilydependenceontheprecarious不稳定的labourmarketandincreasinghousingprices.Housingpriceshaverisen17percentayearsince2000.Culturalreasonsalsocontributetotheproblemsaysociologists社会学家.FamilytiesinsouthEurope—ItalyPortugalandGreece—arestrongerthanthoseinmiddleandnorthEuropesaidSpanishsociologistAlmudenaMorenoMinguezinherreportTheLateEmancipationofSpanishYouth:KeyforUnderstanding.IngeneralyoungpeopleinSpainfirmlybelieveinthefamilyasthemainbodyaroundwhichtheirprivate.lifeisorganizedsaidMinguez.InSpain—especiallyinthecountrysideitisnotuncommontofindentiregroupsofauntsunclescousinsniecesandnephews外甥/侄子alllivingonthesamestreet.TheyregularlygettogetherforSundaydinner.Parents’toleranceisanotherfactor.Spanishparentsacceptlate-nightpartyingandarewaryofsettingbedtimerules.Achildcanarrivehomeatwhatevertimehewants.Ifparentscomplainhe’llputupafightandcallthefatherafascistsaidJos6AntonioGomezYanezasociologistatCarlosIIIUniversityinMadrid.Mothers’willingnesstodochildren’shouseholdchores家务worsenstheproblem.DionisioMassoa60-year-oldinMadridhasthreechildrenintheir20s.Theeldest28hasagirlfriendandajob.Butlifewithmumisgood.Hismumdoesthewashandcooksforhim;intheendheliveswellMassosaid.Thephrasewaryofinparagraph8couldbebestreplacedby
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{{*HTML*}}Pain??Allofushavefeltpain.Wehavecutourselves.Wehavebeenburned.Orwehavehadheadaches.Someofussufferpainrarelypainrarely.?46???Paincantakecompletecontrolofourbodyandmindmakingitimpossibletomoveandeventothink.Yetweneedpain.Withoutitwewouldnotknowifwehavehurtourselves.Itisourbody’swarningsystem.?47???Painisthemostcommonreasonwegotoadoctor.Itisthemostcommonreasonwetakemedicines.Untilrecentlyhowevermostdoctorsknewofonlyafewdrugsthatstoppedsomepains.?48?Butnewknowledgeabouttheprocessofpainishelpingthemtocontrolpainbetter.??Scientistshavelearnedthatthesenseofpainismadeupofbothchemicalandelectricalsignals.?49?Scientistsalsohavelearnedthatthenervoussystemsendstwodifferentkindsofpainmessagestothebrain:oneveryfasttheotherslow.??Thefirstmessageisthewarningsignal.Itmovesataspeedof30metersasecond.Inlessthanasecondthebrainunderstandsthatpartofthebodyishurtandhowbadlyitisinjured.?50?Ittellsusnottousetheinjuredpartuntilitheals.??A.Andothershavepainfulattacksallthetime.??B.Thesesignalstravelfromnervecellsintheinjuredareaupthespinalcord脊髓tothebrainandbackdownagain.??C.Ittellsusthatweareinjuredandshoulddosomethingaboutit.??D.Theyknewlittleabouttheprocessofpainitself.??E.Theothermessagemovesataspeedofonly013～meterasecond.??F.Andtheysendthesecondslowermessageofpaintothebrain.
HighStressMayDamageMemoryAccordingtoareportissuedinMay1998elderlypeoplewhohaveconsistentlyhighbloodlevelsofcortisoldon’tscoreaswellonmemorytestsastheirpeerswithlowerlevelsofthestresshormone.What’smorehighlevelsofcortisolarealsoassociatedwithshrinkingofthehippocampusaregionofthebrainthatplaysakeyroleinlearningandmemory.ThefindingssuggestthatevencortisollevelsinthenormalhealthyrangecanactuallyacceIeratebrainaging.Thestudyresultsnowprovidesubstantialevidencethatlong-termexposuretoadrenalstresshormonesmaypromotehippocampalaginginnormalelderlyhumanswriteNadaPorterandPhilipLandfieldoftheUniversityofKentuckyinLexingtonintheireditorial.Cortisolisahormonereleasedinresponsetostressbytheadrenalglandswhichsitontopofthekidneys.Overa5to6-yearperiod.Dr.SoniaLupienandhiscolleaguesmeasured24-hourcortisollevelsin51healthyvolunteersmostofwhomwereintheir70s.Despitewidevariationincortisollevelstheparticipantscouldbedividedintothreesubgroups:thosewhosecortisolprogressivelyincreasedovertimeandwascurrentlyhighincreasing/high;thosewhosecortisolprogressivelyincreasedovertimeandwascurrentlymoderateincreasing/moderate;andsubjectswhosecortisoldecreasedbutwascurrentlymoderatedecreasing/moderate.Theresearcherstestedthevolunteers’memoryonsixpeopleintheincreasing/highcategoryandfivepeopleinthedecreasing/moderategroup.Thegroupsdidnotdifferontestsofimmediatememorybuttheincreasing/highcortisolgrouphadothermemoryproblemscomparedwiththoseinthedecreasing/moderategroup.Theresearchersalsofoundthatthetotalvolumeofthehippocampusinthoseintheincreasing/highgroupwas14%lowerthanthoseinthedecreasing/moderategroupalthoughtherewerenodifferencesinotherbrainregions.Theresultssuggestthat...brainagingcanbeacceleratedbylevelsofadrenalhormonesthatarenotgenerallyregardedaspathologicalandthatvariationwithinthisnormalrangeisrelatedtovariationintherateofbrainagingwritePorterandLandfield.Thisfurthersuggeststhatchronicstressmayacceleratetheworseningofhippocampus./Whenthelevelsofcortisolgohigherthehippocampusinthebrainmay______.
Ihavebeentryingtogiveupsmoking.
AlthoughoriginallyaGermaninnovationkindergartengotitsrealstartintheUnitedStatesasamovementtoprovideanimprovedlearningenvironmentforchildren.
YouthEmancipationinSpainTheSpanishGovernmentissoworriedaboutthenumberofyoungadultsstilllivingwiththeirparentsthatithasdecidedtohelpthemleavethenest.Around55percentofpeopleaged18-34inSpainstillsleepintheirparents’homesaysthelatestreportfromthecountry’sstate-runInstituteofYouth.Tocoax劝诱youngpeoplefromtheirhomestheInstitutestartedaYouthEmancipation解放programmethismonth.Theprogrammeoffersguidanceinfindingroomsandjobs.Economistsblameyoungpeople’sfamilydependenceontheprecarious不稳定的labourmarketandincreasinghousingprices.Housingpriceshaverisen17percentayearsince2000.Culturalreasonsalsocontributetotheproblemsaysociologists社会学家.FamilytiesinsouthEurope—ItalyPortugalandGreece—arestrongerthanthoseinmiddleandnorthEuropesaidSpanishsociologistAlmudenaMorenoMinguezinherreportTheLateEmancipationofSpanishYouth:KeyforUnderstanding.IngeneralyoungpeopleinSpainfirmlybelieveinthefamilyasthemainbodyaroundwhichtheirprivate.lifeisorganizedsaidMinguez.InSpain—especiallyinthecountrysideitisnotuncommontofindentiregroupsofauntsunclescousinsniecesandnephews外甥/侄子alllivingonthesamestreet.TheyregularlygettogetherforSundaydinner.Parents’toleranceisanotherfactor.Spanishparentsacceptlate-nightpartyingandarewaryofsettingbedtimerules.Achildcanarrivehomeatwhatevertimehewants.Ifparentscomplainhe’llputupafightandcallthefatherafascistsaidJos6AntonioGomezYanezasociologistatCarlosIIIUniversityinMadrid.Mothers’willingnesstodochildren’shouseholdchores家务worsenstheproblem.DionisioMassoa60-year-oldinMadridhasthreechildrenintheir20s.Theeldest28hasagirlfriendandajob.Butlifewithmumisgood.Hismumdoesthewashandcooksforhim;intheendheliveswellMassosaid.Youngpeople’sfamilydependencecanbeattributedtoallthefollowingfactorsEXCEPT
Food TheU.S.foodsupplyisthemostvariedandabundantintheworld.Americansspendasmallershareoftheirdisposableincomeonfoodthancitizensofanyothercountryandchoosefromanaverageof50000differentfoodproductsonatypicaloutingtothesupermarket.In1994thefowlsupplyprovidedanestimated3800caloriesperpersonperdayenoughtosupplyeveryAmericanwithmorethanoneandahalftimestheiraveragedailyenergyneeds.GiventhisabundancefewoftheNationsresourceshavetraditionallybeendevotedtomeasuringorreducingfoodwaste. Inrecentyearsgrowingconcernabouthungerresourceconservationandtheenvironmentalandeconomiccostsassociatedwithfoodwastehaveraisedpublicawarenessoffoodloss.Thisinturnhasacceleratedpublicandprivateeffortstomakebetteruseofavailablefoodsuppliesbyrecoveringsafeandnutritiousfoodthatwouldotherwisebewasted. Ofcoursenotallfoodthatislostissuitableforconsumption.Somelosseslikethecondemnationofdiseasedanimalsattheslaughteringhouse屠宰场orthediscardofrottenfruitfromtheproduceshelfatthesupermarketarenecessarytoensurethesafetyandhealthoftheU.S.foodsupply.Suchfoodsarenotrecoverableforhumanuse. Likewiseplatefragmentsareappropriatelydiscardedateatingestablishmentsoutofhealthconsiderations.Inadditionnotallfoodthatislostiseconomicallyrecoverable.Foodrecoveryeffortsareoftenlimitedbyfinancialrestraintsthatmakeitdifficulttomatchrecoveredfoodwithpotentialrecipients. Neverthelesslargequantitiesofhealthyediblefoodarelostateverystageofthemarketingsystem.Exampleofsuchlossesincludemeatsbreadandotherfoodspreparedbyarestaurantorhotelbutneverservedandthediscardofdefectedorover-ripe.producewhichmaybedifficulttoselloutforsomereasonsbutareotherwisenutritiousandsafe. Theauthor’sattitudetowardsthecondemnationofdiseasedanimalsisreasonable.
{{*HTML*}}Pain??Allofushavefeltpain.Wehavecutourselves.Wehavebeenburned.Orwehavehadheadaches.Someofussufferpainrarelypainrarely.?46???Paincantakecompletecontrolofourbodyandmindmakingitimpossibletomoveandeventothink.Yetweneedpain.Withoutitwewouldnotknowifwehavehurtourselves.Itisourbody’swarningsystem.?47???Painisthemostcommonreasonwegotoadoctor.Itisthemostcommonreasonwetakemedicines.Untilrecentlyhowevermostdoctorsknewofonlyafewdrugsthatstoppedsomepains.?48?Butnewknowledgeabouttheprocessofpainishelpingthemtocontrolpainbetter.??Scientistshavelearnedthatthesenseofpainismadeupofbothchemicalandelectricalsignals.?49?Scientistsalsohavelearnedthatthenervoussystemsendstwodifferentkindsofpainmessagestothebrain:oneveryfasttheotherslow.??Thefirstmessageisthewarningsignal.Itmovesataspeedof30metersasecond.Inlessthanasecondthebrainunderstandsthatpartofthebodyishurtandhowbadlyitisinjured.?50?Ittellsusnottousetheinjuredpartuntilitheals.??A.Andothershavepainfulattacksallthetime.??B.Thesesignalstravelfromnervecellsintheinjuredareaupthespinalcord脊髓tothebrainandbackdownagain.??C.Ittellsusthatweareinjuredandshoulddosomethingaboutit.??D.Theyknewlittleabouttheprocessofpainitself.??E.Theothermessagemovesataspeedofonly013～meterasecond.??F.Andtheysendthesecondslowermessageofpaintothebrain.
YouthEmancipationinSpainTheSpanishGovernmentissoworriedaboutthenumberofyoungadultsstilllivingwiththeirparentsthatithasdecidedtohelpthemleavethenest.Around55percentofpeopleaged18-34inSpainstillsleepintheirparents’homesaysthelatestreportfromthecountry’sstate-runInstituteofYouth.Tocoax劝诱youngpeoplefromtheirhomestheInstitutestartedaYouthEmancipation解放programmethismonth.Theprogrammeoffersguidanceinfindingroomsandjobs.Economistsblameyoungpeople’sfamilydependenceontheprecarious不稳定的labourmarketandincreasinghousingprices.Housingpriceshaverisen17percentayearsince2000.Culturalreasonsalsocontributetotheproblemsaysociologists社会学家.FamilytiesinsouthEurope—ItalyPortugalandGreece—arestrongerthanthoseinmiddleandnorthEuropesaidSpanishsociologistAlmudenaMorenoMinguezinherreportTheLateEmancipationofSpanishYouth:KeyforUnderstanding.IngeneralyoungpeopleinSpainfirmlybelieveinthefamilyasthemainbodyaroundwhichtheirprivate.lifeisorganizedsaidMinguez.InSpain—especiallyinthecountrysideitisnotuncommontofindentiregroupsofauntsunclescousinsniecesandnephews外甥/侄子alllivingonthesamestreet.TheyregularlygettogetherforSundaydinner.Parents’toleranceisanotherfactor.Spanishparentsacceptlate-nightpartyingandarewaryofsettingbedtimerules.Achildcanarrivehomeatwhatevertimehewants.Ifparentscomplainhe’llputupafightandcallthefatherafascistsaidJos6AntonioGomezYanezasociologistatCarlosIIIUniversityinMadrid.Mothers’willingnesstodochildren’shouseholdchores家务worsenstheproblem.DionisioMassoa60-year-oldinMadridhasthreechildrenintheir20s.Theeldest28hasagirlfriendandajob.Butlifewithmumisgood.Hismumdoesthewashandcooksforhim;intheendheliveswellMassosaid.TheYouthEmancipationprogrammeaimsathelpingyoungpeople
Thesearetheirmotivesfordoingit
DoyouwakeupeverydayfeelingtootiredorevenupsetIfsothenanewalarmclockcouldbejustforyou. TheclockcalledSleepSmartmeasuresyoursleepcycleandwaitsforyoutobeinyourlightestphaseofsleep51rousingyou.Itsmakerssaythatshould52youwakeupfeelingrefreshedeverymorning. Asyousleepyoupass53asequenceofsleepstates-lightsleepdeepsleepandREMrapideyemovementsleep-that54approximatelyevery90minutes.Thepointinthatcycleatwhichyouwakecan55howyoufeellaterandmayevenhaveagreaterimpactthanhowmuchorlittleyouhaveslept.Beingrousedduringalightphasemeansyouaremorelikelytowakeupenergetic. SleepSmart56thedistinctpatternofbrainwaves57duringeachphaseofsleepviaaheadbandequipped58electrodes电极andamicroprocessor.Thismeasurestheelectricalactivityofthewearer’sbraininmuchthe59wayassomemachinesusedformedicalandresearch60andcommunicateswirelesslywithaclockunitnearthebed.You61theclockwiththelatesttimeat62youwanttobewakenedanditthenduly适时地wakesyouduringthesleepphasebeforethat. The63wasinventedbyagroupofstudentsatBrownUniversityinRhodeIsland64afriendcomplainedofwakinguptiredandperformingpoorlyonatest."Assleep-deprivedpeopleourselveswestartedthinkingof65todoaboutit"saysEricShashouaarecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratoriesacompanycreatedbythestudentstodeveloptheiridea. 58
Food TheU.S.foodsupplyisthemostvariedandabundantintheworld.Americansspendasmallershareoftheirdisposableincomeonfoodthancitizensofanyothercountryandchoosefromanaverageof50000differentfoodproductsonatypicaloutingtothesupermarket.In1994thefowlsupplyprovidedanestimated3800caloriesperpersonperdayenoughtosupplyeveryAmericanwithmorethanoneandahalftimestheiraveragedailyenergyneeds.GiventhisabundancefewoftheNationsresourceshavetraditionallybeendevotedtomeasuringorreducingfoodwaste. Inrecentyearsgrowingconcernabouthungerresourceconservationandtheenvironmentalandeconomiccostsassociatedwithfoodwastehaveraisedpublicawarenessoffoodloss.Thisinturnhasacceleratedpublicandprivateeffortstomakebetteruseofavailablefoodsuppliesbyrecoveringsafeandnutritiousfoodthatwouldotherwisebewasted. Ofcoursenotallfoodthatislostissuitableforconsumption.Somelosseslikethecondemnationofdiseasedanimalsattheslaughteringhouse屠宰场orthediscardofrottenfruitfromtheproduceshelfatthesupermarketarenecessarytoensurethesafetyandhealthoftheU.S.foodsupply.Suchfoodsarenotrecoverableforhumanuse. Likewiseplatefragmentsareappropriatelydiscardedateatingestablishmentsoutofhealthconsiderations.Inadditionnotallfoodthatislostiseconomicallyrecoverable.Foodrecoveryeffortsareoftenlimitedbyfinancialrestraintsthatmakeitdifficulttomatchrecoveredfoodwithpotentialrecipients. Neverthelesslargequantitiesofhealthyediblefoodarelostateverystageofthemarketingsystem.Exampleofsuchlossesincludemeatsbreadandotherfoodspreparedbyarestaurantorhotelbutneverservedandthediscardofdefectedorover-ripe.producewhichmaybedifficulttoselloutforsomereasonsbutareotherwisenutritiousandsafe. Peoplestarttopaymoreattentiontofoodwaste.
{{*HTML*}}A.ifwecandriveyieldup??B.whenMexicoChinaandIndiajoinintheproject??C.ifwewanttofightagainstmalnutritionandpoverty??D.whenweusemoderntechnologiesanddevelopnewones??E.whenthedevelopedworldhelpthedevelopingworld??F.whenstrategicresearchcanbeutilizedworldwideTheinvestmentcanberegardedasefficient______.
FrancehaskeptintimatelinkswithitsformerAfricanterritories.
{{*HTML*}}A.tosendgoodstovariouspartsoftheworld??B.atanytimeduringtheyear??C.hasgreatlypromotedtrade??D.isitpossibletoproduceonalargescale??E.thetransportofgoods??F.itispossibletoproduceonalargescaleThedevelopmentofmodernmeansoftransport______.
DoyouwakeupeverydayfeelingtootiredorevenupsetIfsothenanewalarmclockcouldbejustforyou. TheclockcalledSleepSmartmeasuresyoursleepcycleandwaitsforyoutobeinyourlightestphaseofsleep51rousingyou.Itsmakerssaythatshould52youwakeupfeelingrefreshedeverymorning. Asyousleepyoupass53asequenceofsleepstates-lightsleepdeepsleepandREMrapideyemovementsleep-that54approximatelyevery90minutes.Thepointinthatcycleatwhichyouwakecan55howyoufeellaterandmayevenhaveagreaterimpactthanhowmuchorlittleyouhaveslept.Beingrousedduringalightphasemeansyouaremorelikelytowakeupenergetic. SleepSmart56thedistinctpatternofbrainwaves57duringeachphaseofsleepviaaheadbandequipped58electrodes电极andamicroprocessor.Thismeasurestheelectricalactivityofthewearer’sbraininmuchthe59wayassomemachinesusedformedicalandresearch60andcommunicateswirelesslywithaclockunitnearthebed.You61theclockwiththelatesttimeat62youwanttobewakenedanditthenduly适时地wakesyouduringthesleepphasebeforethat. The63wasinventedbyagroupofstudentsatBrownUniversityinRhodeIsland64afriendcomplainedofwakinguptiredandperformingpoorlyonatest."Assleep-deprivedpeopleourselveswestartedthinkingof65todoaboutit"saysEricShashouaarecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratoriesacompanycreatedbythestudentstodeveloptheiridea. 56
DoyouwakeupeverydayfeelingtootiredorevenupsetIfsothenanewalarmclockcouldbejustforyou. TheclockcalledSleepSmartmeasuresyoursleepcycleandwaitsforyoutobeinyourlightestphaseofsleep51rousingyou.Itsmakerssaythatshould52youwakeupfeelingrefreshedeverymorning. Asyousleepyoupass53asequenceofsleepstates-lightsleepdeepsleepandREMrapideyemovementsleep-that54approximatelyevery90minutes.Thepointinthatcycleatwhichyouwakecan55howyoufeellaterandmayevenhaveagreaterimpactthanhowmuchorlittleyouhaveslept.Beingrousedduringalightphasemeansyouaremorelikelytowakeupenergetic. SleepSmart56thedistinctpatternofbrainwaves57duringeachphaseofsleepviaaheadbandequipped58electrodes电极andamicroprocessor.Thismeasurestheelectricalactivityofthewearer’sbraininmuchthe59wayassomemachinesusedformedicalandresearch60andcommunicateswirelesslywithaclockunitnearthebed.You61theclockwiththelatesttimeat62youwanttobewakenedanditthenduly适时地wakesyouduringthesleepphasebeforethat. The63wasinventedbyagroupofstudentsatBrownUniversityinRhodeIsland64afriendcomplainedofwakinguptiredandperformingpoorlyonatest."Assleep-deprivedpeopleourselveswestartedthinkingof65todoaboutit"saysEricShashouaarecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratoriesacompanycreatedbythestudentstodeveloptheiridea. 52
{{*HTML*}}A.ifwecandriveyieldup??B.whenMexicoChinaandIndiajoinintheproject??C.ifwewanttofightagainstmalnutritionandpoverty??D.whenweusemoderntechnologiesanddevelopnewones??E.whenthedevelopedworldhelpthedevelopingworld??F.whenstrategicresearchcanbeutilizedworldwideDr.Fischerclaimsthatagriculturewillcontinuetodevelop______.
DoyouwakeupeverydayfeelingtootiredorevenupsetIfsothenanewalarmclockcouldbejustforyou. TheclockcalledSleepSmartmeasuresyoursleepcycleandwaitsforyoutobeinyourlightestphaseofsleep51rousingyou.Itsmakerssaythatshould52youwakeupfeelingrefreshedeverymorning. Asyousleepyoupass53asequenceofsleepstates-lightsleepdeepsleepandREMrapideyemovementsleep-that54approximatelyevery90minutes.Thepointinthatcycleatwhichyouwakecan55howyoufeellaterandmayevenhaveagreaterimpactthanhowmuchorlittleyouhaveslept.Beingrousedduringalightphasemeansyouaremorelikelytowakeupenergetic. SleepSmart56thedistinctpatternofbrainwaves57duringeachphaseofsleepviaaheadbandequipped58electrodes电极andamicroprocessor.Thismeasurestheelectricalactivityofthewearer’sbraininmuchthe59wayassomemachinesusedformedicalandresearch60andcommunicateswirelesslywithaclockunitnearthebed.You61theclockwiththelatesttimeat62youwanttobewakenedanditthenduly适时地wakesyouduringthesleepphasebeforethat. The63wasinventedbyagroupofstudentsatBrownUniversityinRhodeIsland64afriendcomplainedofwakinguptiredandperformingpoorlyonatest."Assleep-deprivedpeopleourselveswestartedthinkingof65todoaboutit"saysEricShashouaarecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratoriesacompanycreatedbythestudentstodeveloptheiridea. 54
{{*HTML*}}Pain??Allofushavefeltpain.Wehavecutourselves.Wehavebeenburned.Orwehavehadheadaches.Someofussufferpainrarelypainrarely.?46???Paincantakecompletecontrolofourbodyandmindmakingitimpossibletomoveandeventothink.Yetweneedpain.Withoutitwewouldnotknowifwehavehurtourselves.Itisourbody’swarningsystem.?47???Painisthemostcommonreasonwegotoadoctor.Itisthemostcommonreasonwetakemedicines.Untilrecentlyhowevermostdoctorsknewofonlyafewdrugsthatstoppedsomepains.?48?Butnewknowledgeabouttheprocessofpainishelpingthemtocontrolpainbetter.??Scientistshavelearnedthatthesenseofpainismadeupofbothchemicalandelectricalsignals.?49?Scientistsalsohavelearnedthatthenervoussystemsendstwodifferentkindsofpainmessagestothebrain:oneveryfasttheotherslow.??Thefirstmessageisthewarningsignal.Itmovesataspeedof30metersasecond.Inlessthanasecondthebrainunderstandsthatpartofthebodyishurtandhowbadlyitisinjured.?50?Ittellsusnottousetheinjuredpartuntilitheals.??A.Andothershavepainfulattacksallthetime.??B.Thesesignalstravelfromnervecellsintheinjuredareaupthespinalcord脊髓tothebrainandbackdownagain.??C.Ittellsusthatweareinjuredandshoulddosomethingaboutit.??D.Theyknewlittleabouttheprocessofpainitself.??E.Theothermessagemovesataspeedofonly013～meterasecond.??F.Andtheysendthesecondslowermessageofpaintothebrain.
DoyouwakeupeverydayfeelingtootiredorevenupsetIfsothenanewalarmclockcouldbejustforyou. TheclockcalledSleepSmartmeasuresyoursleepcycleandwaitsforyoutobeinyourlightestphaseofsleep51rousingyou.Itsmakerssaythatshould52youwakeupfeelingrefreshedeverymorning. Asyousleepyoupass53asequenceofsleepstates-lightsleepdeepsleepandREMrapideyemovementsleep-that54approximatelyevery90minutes.Thepointinthatcycleatwhichyouwakecan55howyoufeellaterandmayevenhaveagreaterimpactthanhowmuchorlittleyouhaveslept.Beingrousedduringalightphasemeansyouaremorelikelytowakeupenergetic. SleepSmart56thedistinctpatternofbrainwaves57duringeachphaseofsleepviaaheadbandequipped58electrodes电极andamicroprocessor.Thismeasurestheelectricalactivityofthewearer’sbraininmuchthe59wayassomemachinesusedformedicalandresearch60andcommunicateswirelesslywithaclockunitnearthebed.You61theclockwiththelatesttimeat62youwanttobewakenedanditthenduly适时地wakesyouduringthesleepphasebeforethat. The63wasinventedbyagroupofstudentsatBrownUniversityinRhodeIsland64afriendcomplainedofwakinguptiredandperformingpoorlyonatest."Assleep-deprivedpeopleourselveswestartedthinkingof65todoaboutit"saysEricShashouaarecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratoriesacompanycreatedbythestudentstodeveloptheiridea. 60
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