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? ?A. electromagnetic energy? ?B. electromagnetic energy travels through space? ?C. came from the ...
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{{*HTML*}}{{B}}第二篇{{/B}} {{B}}??????? ???PleaseFastenYourSeatbelts{{/B}}??Severe turbulence湍流cankillaircraftpassengers.Nowintestflightsoverthe RockyMountainsNASA美国航空航天局engineershavesuccessfullydetectedclear-air turbulenceupto10secondsbeforeanaircrafthitsit.? ?Clear-airturbulenceoftencatchespilotsbysurprise.Invisibletoradar itisdifficulttoforecastandcanhurl用力抛出去passengersaboutthecabin.In December1997onepassengerdiedandahundredotherswereinjuredwhen unexpectedroughaircausedaUnitedAirlinesflightoverthePacifictodrop 300metresinafewseconds.??Howeverpassengerscanavoid seriousinjurybyfasteningtheirseatbelts.Itistheonlyantidote对策for thissortofthingsaysRodBogueprojectmanageratNASA’sDrydenFlight ResearchCenterinEdwardsCalifornia.??Thecentre’snew turbulencedetectorisbasedonlidarorlaserradar.Laserpulsesaresent aheadoftheplaneandthesearethenreflectedbackbyparticlesintheair. ThetechniquedependsontheDopplereffect.Thewavelengthofthelightshifts accordingtothespeedatwhichtheparticlesareapproaching.Incalmairthe speedequalstheplane’sairspeed.Butastheparticlesswirl打漩inroughair theirspeedofapproachincreasesordecreasesrapidly.Therateofchangein speedcorrespondstotheseverity激烈程度oftheturbulence.??Ina seriesofteststhatbeganlastmontharesearchjetflewrepeatedlyinto disturbedairoverthemountainridges山脉nearPuebloColorado.Thelidar detectorspottedturbulencebetween3and8kilometresaheadanditsforecasts ofstrengthanddurationcorrespondedcloselywiththeturbulencethattheplane encountered.??Boguesaysthathehadacomfortableamountof timetofastenhisseatbelt.Theresearchersareplanningtoimprovethe lidar’srangewithamorepowerfulbeam.Thesystemcouldbeinstalledon commercialaircraftinthenextfewyears.Whatdoesclear-airturbulenceprobablymean?Paragraph1
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第235和6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ???????{{B}}Robots{{/B}}1?The mostsophisticated先进的Japanese-robotswhichhavevisionsystemsandworkat veryhighspeedsarestillbasedonAmericandesigns.Studiesofrobots particularlycomputercontrolsoftwareareconsideredtobegenerallyless advancedinJapanthaninAmericaorEurope.2?Althoughindustrial robotswereoriginallydevelopedasdevicesforsimplyhandlingobjectstoday theircommonestusesareformoreskilledworklikewelding焊接spray-painting andassemblingcomponents.3?InBritainrobotsalesappropriately peakedin1984buthavebeendecliningeversince.Thisispartlybecause Britishwageratesaretoolowtomakerobotsfinanciallyattractiveandpartly becauseengineersnowhavemoreexperiencewithrobotsandaremoreawareofthe difficultiesofintroducingthemeffectively.4?Ithasbeencalculated thatarobotusesonaverageabout100timesmoreenergythanahumantodoan equivalentjob.5?Itisestimatedthat20%ofallcomicbookheroesin Japanarerobots.Thisisanenormousnumberbecausecomicsaresopopularthat theymakeupathirdofallmaterialpublishedinJapan.6?The reliabilityofrobotsismeasuredintheirMT.BF.ormeantimebetween failures.Thishasrisenfromabout250hoursinthemid-1970stoabout10000 hourstodayequivalenttoworking18hoursadayfortwoyears.Onewayrobot manufacturershaveincreasedreliabilityistotesteverysinglecomponentthey buyinsteadofthenormalprocedureofjusttestingasmallsample.7 ?ThebiggestsinglebenefitofintroducingrobotsclaimedbyJapanese companiesisthattheyincreasequalitycontrol.Onceprogrammedtherobotscan workmoreaccuratelyandconsistentlythanhumanswhocangettiredand bored.RobotsarelesspopularinBritaintodaypartlybecause______.
{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
{{*HTML*}}{{B}}第二篇{{/B}} {{B}}??????? ???PleaseFastenYourSeatbelts{{/B}}??Severe turbulence湍流cankillaircraftpassengers.Nowintestflightsoverthe RockyMountainsNASA美国航空航天局engineershavesuccessfullydetectedclear-air turbulenceupto10secondsbeforeanaircrafthitsit.? ?Clear-airturbulenceoftencatchespilotsbysurprise.Invisibletoradar itisdifficulttoforecastandcanhurl用力抛出去passengersaboutthecabin.In December1997onepassengerdiedandahundredotherswereinjuredwhen unexpectedroughaircausedaUnitedAirlinesflightoverthePacifictodrop 300metresinafewseconds.??Howeverpassengerscanavoid seriousinjurybyfasteningtheirseatbelts.Itistheonlyantidote对策for thissortofthingsaysRodBogueprojectmanageratNASA’sDrydenFlight ResearchCenterinEdwardsCalifornia.??Thecentre’snew turbulencedetectorisbasedonlidarorlaserradar.Laserpulsesaresent aheadoftheplaneandthesearethenreflectedbackbyparticlesintheair. ThetechniquedependsontheDopplereffect.Thewavelengthofthelightshifts accordingtothespeedatwhichtheparticlesareapproaching.Incalmairthe speedequalstheplane’sairspeed.Butastheparticlesswirl打漩inroughair theirspeedofapproachincreasesordecreasesrapidly.Therateofchangein speedcorrespondstotheseverity激烈程度oftheturbulence.??Ina seriesofteststhatbeganlastmontharesearchjetflewrepeatedlyinto disturbedairoverthemountainridges山脉nearPuebloColorado.Thelidar detectorspottedturbulencebetween3and8kilometresaheadanditsforecasts ofstrengthanddurationcorrespondedcloselywiththeturbulencethattheplane encountered.??Boguesaysthathehadacomfortableamountof timetofastenhisseatbelt.Theresearchersareplanningtoimprovethe lidar’srangewithamorepowerfulbeam.Thesystemcouldbeinstalledon commercialaircraftinthenextfewyears.Thelastparagraphtellsusamongotherthingsthat
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{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
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{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第235和6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ???????{{B}}Robots{{/B}}1?The mostsophisticated先进的Japanese-robotswhichhavevisionsystemsandworkat veryhighspeedsarestillbasedonAmericandesigns.Studiesofrobots particularlycomputercontrolsoftwareareconsideredtobegenerallyless advancedinJapanthaninAmericaorEurope.2?Althoughindustrial robotswereoriginallydevelopedasdevicesforsimplyhandlingobjectstoday theircommonestusesareformoreskilledworklikewelding焊接spray-painting andassemblingcomponents.3?InBritainrobotsalesappropriately peakedin1984buthavebeendecliningeversince.Thisispartlybecause Britishwageratesaretoolowtomakerobotsfinanciallyattractiveandpartly becauseengineersnowhavemoreexperiencewithrobotsandaremoreawareofthe difficultiesofintroducingthemeffectively.4?Ithasbeencalculated thatarobotusesonaverageabout100timesmoreenergythanahumantodoan equivalentjob.5?Itisestimatedthat20%ofallcomicbookheroesin Japanarerobots.Thisisanenormousnumberbecausecomicsaresopopularthat theymakeupathirdofallmaterialpublishedinJapan.6?The reliabilityofrobotsismeasuredintheirMT.BF.ormeantimebetween failures.Thishasrisenfromabout250hoursinthemid-1970stoabout10000 hourstodayequivalenttoworking18hoursadayfortwoyears.Onewayrobot manufacturershaveincreasedreliabilityistotesteverysinglecomponentthey buyinsteadofthenormalprocedureofjusttestingasmallsample.7 ?ThebiggestsinglebenefitofintroducingrobotsclaimedbyJapanese companiesisthattheyincreasequalitycontrol.Onceprogrammedtherobotscan workmoreaccuratelyandconsistentlythanhumanswhocangettiredand bored.Paragraph6______.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了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供的是正确信息请选A如果改句提供的是错误信息请选B如果该句的信息文章中没有提及请选C ??????? ????{{B}}TheThreattoKiribati{{/B}}??The peopleofKiribatiareafraidthatonedayinthenot-too-distantfuturetheir countrywilldisappearfromthefaceoftheearth-literally.Severaltimes thisyearthePacificislandnationhasbeenfloodedbyasuddenhightide. Thesetideswhichsweptacrosstheislandanddestroyedhousescamewhenthere wasneitherwindnorrain.Thisneverhappenedbeforesaytheoldercitizens ofKiribati.??Whatiscausingthesemysterioushightides?The answermaywellbeglobalwarming.Whenfuelslikeoilandcoalarebeing burnedpollutants污染物arereleased;thesepollutantstrapheatintheearth’s atmosphere.Warmertemperaturescausewatertoexpandandalsocreatemorewater bymeltingglaciers冰川andpolar极地的icecaps.??Ifthetrend continuesscientistssaymanycountrieswillsuffer.Bangladeshforexample mightloseone-fifthofitsland.Thecoral珊瑚islandnationsofthePacific likeKiribatiandtheMarshallIslandshoweverwouldfaceanevenworsefate- theywouldbeswallowedbythesea.Thelossofthesecoralislandswouldbe everyone’sloss.Coralformationsarehometomorespeciesthananyotherplace onearth.??Thepeopleofthesenationsfeelfrustrated.Thesea onwhichtheireconomieshavealwaysbeenbasedissuddenlythreateningtheir existence.Theydon’thavethemoneyforexpensivetechnologicalsolutionslike seawalls.Andtheyhavenocontroloverthepollutantswhicharebeingreleased mainlybyactivitiesinlargeindustrializedcountries.Alltheycandoisto hopethatindustrializedcountrieswilltakestepstoreduce pollution.Someindustrializedcountriesareunwillingtospendmoneyinreducingpollution.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}}??????Salty RicePlantBoostsHarvests{{/B}}??Britishscientistsarebreedinga newgenerationofriceplantsthatwillbeabletogrowinsoilcontainingsalt water.Theirworkmayenableabandonedfarmstobecomeproductiveonce more.??TimFlowersandTonyYeofromSussexUniversity’sSchool ofBiologicalScienceshavespentseveralyearsresearchinghowcropssuchas ricecouldbemadetogrowinwaterthathasbecomesalty.??The pairhaverecentlybegunathree-yearprogrammefundedbytheBiotechnologyand BiologicalSciencesResearchCounciltoestablishwhichgenesenablesome plantstosurvivesaltyconditions.Theaimistobreedthiscapabilityinto cropsstartingwithrice.??Itisestimatedthateachyearmore than10mhectares公顷ofagriculturallandarelostbecausesaltgetsintothe soilandstunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthe tropicsmangroves红树林thatcreateswamps沼泽andtraditionallyformed barrierstoseawaterhavebeencutdown.IntheMediterraneanaseriesof droughtshavecausedthewatertabletodropallowingseawatertoseep渗透 in.InLatinAmericairrigationoftencausesproblemswhenwaterisevaporated 蒸发bytheheatleavingsaltdepositsbehind.??Excesssaltthen enterstheplantsandpreventsthemfunctioningnormally.Heavyconcentrations ofmineralsintheplantsstopthemdrawingupthewatertheyneedto survive.??ToovercometheseproblemsFlowersandYeodecidedto breedriceplantsthattakeinverylittlesaltandstorewhattheydoabsorbin cellsthatdonotaffecttheplants’growth.Theyhavestartedtobreedthese characteristicsintoanewricecropbutitwilltakeabouteightharvests beforetheresultingseedsarereadytobeconsideredforcommercial use.??Oncethecharacteristicsforsurvivingsaltysoilare knownFlowersandYeowilltrytobreedtheappropriategenesintoallmanners ofcropsandplants.Landthathasbeenabandonedtonaturewillthenbeableto bloomagainprovidingmuchneededfoodinthepoorercountriesofthe world.FlowersandYeohavestartedaprogramme
{{*HTML*}}? ?阅读下面这篇短文短文后列出了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供的是正确信息请选A如果改句提供的是错误信息请选B如果该句的信息文章中没有提及请选C ??????? ????{{B}}TheThreattoKiribati{{/B}}??The peopleofKiribatiareafraidthatonedayinthenot-too-distantfuturetheir countrywilldisappearfromthefaceoftheearth-literally.Severaltimes thisyearthePacificislandnationhasbeenfloodedbyasuddenhightide. Thesetideswhichsweptacrosstheislandanddestroyedhousescamewhenthere wasneitherwindnorrain.Thisneverhappenedbeforesaytheoldercitizens ofKiribati.??Whatiscausingthesemysterioushightides?The answermaywellbeglobalwarming.Whenfuelslikeoilandcoalarebeing burnedpollutants污染物arereleased;thesepollutantstrapheatintheearth’s atmosphere.Warmertemperaturescausewatertoexpandandalsocreatemorewater bymeltingglaciers冰川andpolar极地的icecaps.??Ifthetrend continuesscientistssaymanycountrieswillsuffer.Bangladeshforexample mightloseone-fifthofitsland.Thecoral珊瑚islandnationsofthePacific likeKiribatiandtheMarshallIslandshoweverwouldfaceanevenworsefate- theywouldbeswallowedbythesea.Thelossofthesecoralislandswouldbe everyone’sloss.Coralformationsarehometomorespeciesthananyotherplace onearth.??Thepeopleofthesenationsfeelfrustrated.Thesea onwhichtheireconomieshavealwaysbeenbasedissuddenlythreateningtheir existence.Theydon’thavethemoneyforexpensivetechnologicalsolutionslike seawalls.Andtheyhavenocontroloverthepollutantswhicharebeingreleased mainlybyactivitiesinlargeindustrializedcountries.Alltheycandoisto hopethatindustrializedcountrieswilltakestepstoreduce pollution.ThecoralislandnationsofthePacifichavealonghistoryofcivilization.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}}??????Salty RicePlantBoostsHarvests{{/B}}??Britishscientistsarebreedinga newgenerationofriceplantsthatwillbeabletogrowinsoilcontainingsalt water.Theirworkmayenableabandonedfarmstobecomeproductiveonce more.??TimFlowersandTonyYeofromSussexUniversity’sSchool ofBiologicalScienceshavespentseveralyearsresearchinghowcropssuchas ricecouldbemadetogrowinwaterthathasbecomesalty.??The pairhaverecentlybegunathree-yearprogrammefundedbytheBiotechnologyand BiologicalSciencesResearchCounciltoestablishwhichgenesenablesome plantstosurvivesaltyconditions.Theaimistobreedthiscapabilityinto cropsstartingwithrice.??Itisestimatedthateachyearmore than10mhectares公顷ofagriculturallandarelostbecausesaltgetsintothe soilandstunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthe tropicsmangroves红树林thatcreateswamps沼泽andtraditionallyformed barrierstoseawaterhavebeencutdown.IntheMediterraneanaseriesof droughtshavecausedthewatertabletodropallowingseawatertoseep渗透 in.InLatinAmericairrigationoftencausesproblemswhenwaterisevaporated 蒸发bytheheatleavingsaltdepositsbehind.??Excesssaltthen enterstheplantsandpreventsthemfunctioningnormally.Heavyconcentrations ofmineralsintheplantsstopthemdrawingupthewatertheyneedto survive.??ToovercometheseproblemsFlowersandYeodecidedto breedriceplantsthattakeinverylittlesaltandstorewhattheydoabsorbin cellsthatdonotaffecttheplants’growth.Theyhavestartedtobreedthese characteristicsintoanewricecropbutitwilltakeabouteightharvests beforetheresultingseedsarereadytobeconsideredforcommercial use.??Oncethecharacteristicsforsurvivingsaltysoilare knownFlowersandYeowilltrytobreedtheappropriategenesintoallmanners ofcropsandplants.Landthathasbeenabandonedtonaturewillthenbeableto bloomagainprovidingmuchneededfoodinthepoorercountriesofthe world.ThewordaffectinParagraph6couldbebestreplacedby
{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} ??????? {{B}}????????NewFoodsandtheNew World{{/B}}??Inthelast500yearsnothingaboutpeople--not theirclothesideasorlanguages--haschangedasmuchaswhattheyeat.The originalchocolatedrinkwasmadefromtheseedsofthecocoatree可可树by SouthAmericanIndians.TheSpanishintroducedittotherestoftheworld duringthe1500’s.Andalthoughitwasveryexpensiveitquicklybecame fashionable.InLondonshopswherechocolatedrinkswereservedbecame importantmeetingplaces.Somestillexisttoday;??Thepotatois alsofromtheNewWorld.Around1600theSpanishbroughtitfromPeruto Europewhereitsoonwaswidelygrown.Irelandbecamesodependentonitthat thousandsofIrishpeoplestarvedwhenthecropfailedduringthePotatoFamine 饥荒of1845-1846andthousandsmerewereforcedtoleavetheirhomelandand movetoAmerica.??Therearemanyotherfoodsthathavetraveled fromSouthAmericatotheOldWorld.Butsomeotherswentintheopposite direction.Brazilisnowtheworld’slargestgrowerofcoffeeandcoffeeisan importantcropinColombiaandotherSouthAmericancountries.Butitisnative toEthiopiaacountryinAfrica.ItwasfirstmadeintoadrinkbyArabsduring the1400’s.??AccordingtoanArabiclegendcoffeewasdiscovered whenapersonnamedKaldinoticedthathisgoatswereattractedtothered berriesonacoffeebush.Hetriedoneandexperiencedthewide-awake’feeling thatonethirdoftheworld’spopulationnowstartstheday with.Someinthelastsentenceofthefirstparagraphrefersto
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} ??????? {{B}}????????NewFoodsandtheNew World{{/B}}??Inthelast500yearsnothingaboutpeople--not theirclothesideasorlanguages--haschangedasmuchaswhattheyeat.The originalchocolatedrinkwasmadefromtheseedsofthecocoatree可可树by SouthAmericanIndians.TheSpanishintroducedittotherestoftheworld duringthe1500’s.Andalthoughitwasveryexpensiveitquicklybecame fashionable.InLondonshopswherechocolatedrinkswereservedbecame importantmeetingplaces.Somestillexisttoday;??Thepotatois alsofromtheNewWorld.Around1600theSpanishbroughtitfromPeruto Europewhereitsoonwaswidelygrown.Irelandbecamesodependentonitthat thousandsofIrishpeoplestarvedwhenthecropfailedduringthePotatoFamine 饥荒of1845-1846andthousandsmerewereforcedtoleavetheirhomelandand movetoAmerica.??Therearemanyotherfoodsthathavetraveled fromSouthAmericatotheOldWorld.Butsomeotherswentintheopposite direction.Brazilisnowtheworld’slargestgrowerofcoffeeandcoffeeisan importantcropinColombiaandotherSouthAmericancountries.Butitisnative toEthiopiaacountryinAfrica.ItwasfirstmadeintoadrinkbyArabsduring the1400’s.??AccordingtoanArabiclegendcoffeewasdiscovered whenapersonnamedKaldinoticedthathisgoatswereattractedtothered berriesonacoffeebush.Hetriedoneandexperiencedthewide-awake’feeling thatonethirdoftheworld’spopulationnowstartstheday with.Whichcountryisthelargestcoffeeproducer?
{{*HTML*}}? ?阅读下面这篇短文短文后列出了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供的是正确信息请选A如果改句提供的是错误信息请选B如果该句的信息文章中没有提及请选C ??????? ????{{B}}TheThreattoKiribati{{/B}}??The peopleofKiribatiareafraidthatonedayinthenot-too-distantfuturetheir countrywilldisappearfromthefaceoftheearth-literally.Severaltimes thisyearthePacificislandnationhasbeenfloodedbyasuddenhightide. Thesetideswhichsweptacrosstheislandanddestroyedhousescamewhenthere wasneitherwindnorrain.Thisneverhappenedbeforesaytheoldercitizens ofKiribati.??Whatiscausingthesemysterioushightides?The answermaywellbeglobalwarming.Whenfuelslikeoilandcoalarebeing burnedpollutants污染物arereleased;thesepollutantstrapheatintheearth’s atmosphere.Warmertemperaturescausewatertoexpandandalsocreatemorewater bymeltingglaciers冰川andpolar极地的icecaps.??Ifthetrend continuesscientistssaymanycountrieswillsuffer.Bangladeshforexample mightloseone-fifthofitsland.Thecoral珊瑚islandnationsofthePacific likeKiribatiandtheMarshallIslandshoweverwouldfaceanevenworsefate- theywouldbeswallowedbythesea.Thelossofthesecoralislandswouldbe everyone’sloss.Coralformationsarehometomorespeciesthananyotherplace onearth.??Thepeopleofthesenationsfeelfrustrated.Thesea onwhichtheireconomieshavealwaysbeenbasedissuddenlythreateningtheir existence.Theydon’thavethemoneyforexpensivetechnologicalsolutionslike seawalls.Andtheyhavenocontroloverthepollutantswhicharebeingreleased mainlybyactivitiesinlargeindustrializedcountries.Alltheycandoisto hopethatindustrializedcountrieswilltakestepstoreduce pollution.ThepeopleofKiribatiworrythatonedaytheircountrywillbetakenawaybyasuddenhightide.
{{*HTML*}}{{B}}第二篇{{/B}} {{B}}??????? ???PleaseFastenYourSeatbelts{{/B}}??Severe turbulence湍流cankillaircraftpassengers.Nowintestflightsoverthe RockyMountainsNASA美国航空航天局engineershavesuccessfullydetectedclear-air turbulenceupto10secondsbeforeanaircrafthitsit.? ?Clear-airturbulenceoftencatchespilotsbysurprise.Invisibletoradar itisdifficulttoforecastandcanhurl用力抛出去passengersaboutthecabin.In December1997onepassengerdiedandahundredotherswereinjuredwhen unexpectedroughaircausedaUnitedAirlinesflightoverthePacifictodrop 300metresinafewseconds.??Howeverpassengerscanavoid seriousinjurybyfasteningtheirseatbelts.Itistheonlyantidote对策for thissortofthingsaysRodBogueprojectmanageratNASA’sDrydenFlight ResearchCenterinEdwardsCalifornia.??Thecentre’snew turbulencedetectorisbasedonlidarorlaserradar.Laserpulsesaresent aheadoftheplaneandthesearethenreflectedbackbyparticlesintheair. ThetechniquedependsontheDopplereffect.Thewavelengthofthelightshifts accordingtothespeedatwhichtheparticlesareapproaching.Incalmairthe speedequalstheplane’sairspeed.Butastheparticlesswirl打漩inroughair theirspeedofapproachincreasesordecreasesrapidly.Therateofchangein speedcorrespondstotheseverity激烈程度oftheturbulence.??Ina seriesofteststhatbeganlastmontharesearchjetflewrepeatedlyinto disturbedairoverthemountainridges山脉nearPuebloColorado.Thelidar detectorspottedturbulencebetween3and8kilometresaheadanditsforecasts ofstrengthanddurationcorrespondedcloselywiththeturbulencethattheplane encountered.??Boguesaysthathehadacomfortableamountof timetofastenhisseatbelt.Theresearchersareplanningtoimprovethe lidar’srangewithamorepowerfulbeam.Thesystemcouldbeinstalledon commercialaircraftinthenextfewyears.Theturbulencedetectorcantelltheseverityoftheturbulencebymeasuring
{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第235和6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ???????{{B}}Robots{{/B}}1?The mostsophisticated先进的Japanese-robotswhichhavevisionsystemsandworkat veryhighspeedsarestillbasedonAmericandesigns.Studiesofrobots particularlycomputercontrolsoftwareareconsideredtobegenerallyless advancedinJapanthaninAmericaorEurope.2?Althoughindustrial robotswereoriginallydevelopedasdevicesforsimplyhandlingobjectstoday theircommonestusesareformoreskilledworklikewelding焊接spray-painting andassemblingcomponents.3?InBritainrobotsalesappropriately peakedin1984buthavebeendecliningeversince.Thisispartlybecause Britishwageratesaretoolowtomakerobotsfinanciallyattractiveandpartly becauseengineersnowhavemoreexperiencewithrobotsandaremoreawareofthe difficultiesofintroducingthemeffectively.4?Ithasbeencalculated thatarobotusesonaverageabout100timesmoreenergythanahumantodoan equivalentjob.5?Itisestimatedthat20%ofallcomicbookheroesin Japanarerobots.Thisisanenormousnumberbecausecomicsaresopopularthat theymakeupathirdofallmaterialpublishedinJapan.6?The reliabilityofrobotsismeasuredintheirMT.BF.ormeantimebetween failures.Thishasrisenfromabout250hoursinthemid-1970stoabout10000 hourstodayequivalenttoworking18hoursadayfortwoyears.Onewayrobot manufacturershaveincreasedreliabilityistotesteverysinglecomponentthey buyinsteadofthenormalprocedureofjusttestingasmallsample.7 ?ThebiggestsinglebenefitofintroducingrobotsclaimedbyJapanese companiesisthattheyincreasequalitycontrol.Onceprogrammedtherobotscan workmoreaccuratelyandconsistentlythanhumanswhocangettiredand bored.Paragraph3______.
Inthelattercasethe{{U}}outcome{{/U}}canbeseriousindeed.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第235和6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ???????{{B}}Robots{{/B}}1?The mostsophisticated先进的Japanese-robotswhichhavevisionsystemsandworkat veryhighspeedsarestillbasedonAmericandesigns.Studiesofrobots particularlycomputercontrolsoftwareareconsideredtobegenerallyless advancedinJapanthaninAmericaorEurope.2?Althoughindustrial robotswereoriginallydevelopedasdevicesforsimplyhandlingobjectstoday theircommonestusesareformoreskilledworklikewelding焊接spray-painting andassemblingcomponents.3?InBritainrobotsalesappropriately peakedin1984buthavebeendecliningeversince.Thisispartlybecause Britishwageratesaretoolowtomakerobotsfinanciallyattractiveandpartly becauseengineersnowhavemoreexperiencewithrobotsandaremoreawareofthe difficultiesofintroducingthemeffectively.4?Ithasbeencalculated thatarobotusesonaverageabout100timesmoreenergythanahumantodoan equivalentjob.5?Itisestimatedthat20%ofallcomicbookheroesin Japanarerobots.Thisisanenormousnumberbecausecomicsaresopopularthat theymakeupathirdofallmaterialpublishedinJapan.6?The reliabilityofrobotsismeasuredintheirMT.BF.ormeantimebetween failures.Thishasrisenfromabout250hoursinthemid-1970stoabout10000 hourstodayequivalenttoworking18hoursadayfortwoyears.Onewayrobot manufacturershaveincreasedreliabilityistotesteverysinglecomponentthey buyinsteadofthenormalprocedureofjusttestingasmallsample.7 ?ThebiggestsinglebenefitofintroducingrobotsclaimedbyJapanese companiesisthattheyincreasequalitycontrol.Onceprogrammedtherobotscan workmoreaccuratelyandconsistentlythanhumanswhocangettiredand bored.Itisclaimedthatintroducingrobotsis______.
Theunionrepresentative{{U}}putacross{{/U}}herargumentveryeffectively.
NormanBlameyisanartistofdeep{{U}}convictions{{/U}}.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了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供的是正确信息请选A如果改句提供的是错误信息请选B如果该句的信息文章中没有提及请选C ??????? ????{{B}}TheThreattoKiribati{{/B}}??The peopleofKiribatiareafraidthatonedayinthenot-too-distantfuturetheir countrywilldisappearfromthefaceoftheearth-literally.Severaltimes thisyearthePacificislandnationhasbeenfloodedbyasuddenhightide. Thesetideswhichsweptacrosstheislandanddestroyedhousescamewhenthere wasneitherwindnorrain.Thisneverhappenedbeforesaytheoldercitizens ofKiribati.??Whatiscausingthesemysterioushightides?The answermaywellbeglobalwarming.Whenfuelslikeoilandcoalarebeing burnedpollutants污染物arereleased;thesepollutantstrapheatintheearth’s atmosphere.Warmertemperaturescausewatertoexpandandalsocreatemorewater bymeltingglaciers冰川andpolar极地的icecaps.??Ifthetrend continuesscientistssaymanycountrieswillsuffer.Bangladeshforexample mightloseone-fifthofitsland.Thecoral珊瑚islandnationsofthePacific likeKiribatiandtheMarshallIslandshoweverwouldfaceanevenworsefate- theywouldbeswallowedbythesea.Thelossofthesecoralislandswouldbe everyone’sloss.Coralformationsarehometomorespeciesthananyotherplace onearth.??Thepeopleofthesenationsfeelfrustrated.Thesea onwhichtheireconomieshavealwaysbeenbasedissuddenlythreateningtheir existence.Theydon’thavethemoneyforexpensivetechnologicalsolutionslike seawalls.Andtheyhavenocontroloverthepollutantswhicharebeingreleased mainlybyactivitiesinlargeindustrializedcountries.Alltheycandoisto hopethatindustrializedcountrieswilltakestepstoreduce pollution.Theheatreleasedbyburningoilandcoalisthedirectcauseofglobalwarming.
{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
{{*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}}Newcomers{{/B}}??Whenacountryisunder-populated newcomersarenotcompetitorshutassistants.Ifmorecometheymayproducenot onlynewquotasbutasurplusaswell.Insuchastateofthingslandis{{U}} ?51?{{/U}}andcheap.Thepossessionofit{{U}}?52?{{/U}}no powerorprivilege.Noonewillworkforanotherforwages{{U}}?53 ?{{/U}}hecantakeupnewlandandbehisownmaster.Henceitwillpayno onetoownmorelandthanhecancultivatebyhisownlabororwithsuchaidas hisownfamily{{U}}?54?{{/U}}.Henceagainland{{U}}?55 ?{{/U}}littleornorent;therewillbenolandlordslivingonrentandno laborerslivingon{{U}}?56?{{/U}}butonlyamiddleclassofyeoman farmers自耕农.Allare{{U}}?57?{{/U}}onanequalityanddemocracy becomesthepoliticalformbecausethisistheonlystateofsocietyinwhich equalityonwhichdemocracyisbasedisrealizedasafact.Thesameeffects arepowerfully{{U}}?58?{{/U}}byotherfacts.Inanewand under-populatedcountrytheindustrieswhicharemostprofitablearethe extractiveindustries.?The{{U}}?59?{{/U}}ofthesewiththe exceptionofsomekindsofminingisthattheycall{{U}}?60 ?{{/U}}onlyaloworganizationoflaborandsmallamountofcapital.Hence theyallowtheworkmantobecome{{U}}?61?{{/U}}hisownmasterand theyeducatehimtofreedomindependenceandselfreliance.Atthesametime thesocialgroupsbeingonly{{U}}?62?{{/U}}markedofffromeachother itiseasyto{{U}}?63?{{/U}}fromoneclassofoccupationsand consequentlyfromonesocialgradetoanother.Finallyunderthesame circumstanceseducationskillandsuperiortraininghavebutinferiorvalue comparedwithwhattheyhavein{{U}}?64?{{/U}}populatedcountries. The{{U}}?65?{{/U}}lieinanunder-populatedcountrywiththecoarse unskilledmanualoccupationsandnotwiththehighestdevelopmentsofscience literatureandart.
{{U}}Accordingly{{/U}}anumberofothermethodshavebeenemployed.
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