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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：如果该句提供的是正确信息，请选择A；如果该句提供的是错误信息，请选择B；如果该句的信息文中没有提及，请选择C。 W...
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TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare___________51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethatchildrenshouldbeseenandnotheardisrarely_______52andchildrenareoftenallowedtodo____________53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim__________54questionandchildrenareencouragedtobe______________55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom_________56far.Othersthinkthatastrongfatherimagewouldnot____________57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto_________58theirparentalfamiliesbythetimetheyhave________________59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa____________60akindofweakdependence. Thispatternofindependenceoftenresultsinserious____________61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive___________62theageof70.Thejob-retirementageis_______6365.Thechildrenhavelefthomemarriedand___________64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes._________65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup.
第三篇SaltyRicePlantBoostsHarvests Britishscientistsarebreedinganewgenerationofriceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirworkmayenableabandonedfarmstobecomeproductiveoncemore. TimFlowersandTonyYeofromSussexUniversity’sSchoolofBiologicalScienceshavespentseveralyearsresearchinghowcropssuchasricecouldbemadetogrowinwaterthathasbecomesalty. Thepairhaverecentlybegunathree-yearprogrammefundedbytheBiotechnologyandBiologicalSciencesResearchCounciltoestablishwhichgenesenablesomeplantstosurvivesaltyconditions.Theaimistobreedthiscapabilityintocropsstartingwithrice. Itisestimatedthateachyearmorethan100hectares公顷ofagriculturallandarelostbecausesaltgetsintothesoilandstunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthetropicsmangroves红树林thatcreateswamps沼泽andtraditionallyformedbarrierstoseawaterhavebeencutdown.IntheMediterraneanaseriesofdroughtshavecausedthewatertabletodropallowingseawatertoseep渗透in.inLatinAmericairrigationoftencausesproblemswhenwaterisevaporated蒸发bytheheatleavingsaltdepositsbehind. Excesssaltthenenterstheplantsandpreventsthemfunctioningnormally.Heavyconcentrationsofmineralsintheplantsstopthemdrawingupthewatertheyneedtosurvive. ToovercometheseproblemsFlowersandYeodecidedtobreedriceplantsthattakeinverylittlesaltandstorewhattheydoabsorbincellsthatdonotaffecttheplants’growth.Theyhavestartedtobreedthesecharacteristicsintoanewricecropbutitwilltakeabouteightharvestsbeforetheresultingseedsarereadytobeconsideredforcommercialuse. OncethecharacteristicsforsurvivingsaltysoilareknownFlowersandYeowilltrytobreedtheappropriategenesintoallmannersofcropsandplants.Landthathasbeenabandonedtonaturewillthenbeabletobloomagainprovidingmuchneededfoodinthepoorercountriesoftheworld. Theattitudeoftheauthortowardstheresearchprojectis
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare___________51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethatchildrenshouldbeseenandnotheardisrarely_______52andchildrenareoftenallowedtodo____________53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim__________54questionandchildrenareencouragedtobe______________55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom_________56far.Othersthinkthatastrongfatherimagewouldnot____________57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto_________58theirparentalfamiliesbythetimetheyhave________________59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa____________60akindofweakdependence. Thispatternofindependenceoftenresultsinserious____________61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive___________62theageof70.Thejob-retirementageis_______6365.Thechildrenhavelefthomemarriedand___________64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes._________65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup.
Atthattimewedidnotfully{{U}}grasp{{/U}}thesignificanceofwhathadhappened.
Theshapeoflandsandoceansareslowlychangedwiththemovementsofplates.
Forsome{{U}}obscure{{/U}}reasonthesimplegameisbecomingverypopular.
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare___________51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethatchildrenshouldbeseenandnotheardisrarely_______52andchildrenareoftenallowedtodo____________53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim__________54questionandchildrenareencouragedtobe______________55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom_________56far.Othersthinkthatastrongfatherimagewouldnot____________57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto_________58theirparentalfamiliesbythetimetheyhave________________59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa____________60akindofweakdependence. Thispatternofindependenceoftenresultsinserious____________61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive___________62theageof70.Thejob-retirementageis_______6365.Thechildrenhavelefthomemarriedand___________64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes._________65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup.
Supertasterspreferhigh-saltcheesebecause
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ItcanbeinferredfromthelastparagraphthatO’Leary
Theseaturtle’snaturalhabitathasbeen{{U}}considerably{{/U}}reduced.
Itispossibleto{{U}}approach{{/U}}theprobleminadifferentway.
IgotanotefromMoira{{U}}urging{{/U}}metogetintouch.
O’LearyincludesallthefollowinginformationinwritinghisprogramEXCEPT
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TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare___________51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethatchildrenshouldbeseenandnotheardisrarely_______52andchildrenareoftenallowedtodo____________53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim__________54questionandchildrenareencouragedtobe______________55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom_________56far.Othersthinkthatastrongfatherimagewouldnot____________57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto_________58theirparentalfamiliesbythetimetheyhave________________59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa____________60akindofweakdependence. Thispatternofindependenceoftenresultsinserious____________61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive___________62theageof70.Thejob-retirementageis_______6365.Thechildrenhavelefthomemarriedand___________64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes._________65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup.
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TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare___________51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethatchildrenshouldbeseenandnotheardisrarely_______52andchildrenareoftenallowedtodo____________53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim__________54questionandchildrenareencouragedtobe______________55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom_________56far.Othersthinkthatastrongfatherimagewouldnot____________57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto_________58theirparentalfamiliesbythetimetheyhave________________59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa____________60akindofweakdependence. Thispatternofindependenceoftenresultsinserious____________61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive___________62theageof70.Thejob-retirementageis_______6365.Thechildrenhavelefthomemarriedand___________64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes._________65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup.
第二篇PleaseFastenYourSeatbelts Severeturbulence湍流cankillaircraftpassengers.NowintestflightsovertheRockyMountainsNASA美国航空航天局engineershavesuccessfullydetectedclear-airturbulenceupto10secondsbeforeanaircrafthitsit. Clear-airturbulenceoftencatchespilotsbysurprise.Invisibletoradaritisdifficulttoforecastandcanhurl用力抛出去passengersaboutthecabin.InDecember1997onepassengerdiedandahundredotherswereinjuredwhenunexpectedroughaircausedaUnitedAirlinesflightoverthePacifictodrop300metresinafewseconds. Howeverpassengerscanavoidseriousinjurybyfasteningtheirseatbelts.Itistheonlyantidote对策forthissortofthingssaysRodBogueprojectmanageratNASA’sDrydenFlightResearchCenterinEdwardsCalifornia. Thecentre’snewturbulencedetectorisbasedonlidarorlaserradarLaserpulsesaresentaheadoftheplaneandthesearethenreflectedbackbyparticlesintheair.ThetechniquedependsontheDopplereffect.Thewavelengthofthelightshiftsaccordingtothespeedatwhichtheparticlesareapproaching.Incalmairthespeedequalstheplane’sairspeed.Butastheparticlesswirl打漩inroughairtheirspeedofapproachincreasesordecreasesrapidly.Therateofchangeinspeedcorrespondstotheseverity激烈程度oftheturbulence. Inaseriesofteststhatbeganlastmontharesearchjetflewrepeatedlyintodisturbedairoverthemountainridges山脉nearPuebloColorado.Thelidardetectorspottedturbulencebetween3and8kilometresaheadanditsforecastsofstrengthanddurationcorrespondedcloselywiththeturbulencethattheplaneencountered. Boguesaysthathehadacomfortableamountoftimetofastenhisseatbelt.Theresearchersareplanningtoimprovethelidar’srangewithamorepowerfulbeam.Thesystemcouldbeinstalledoncommercialaircraftinthenextfewyears. Wecaninferfromthefifthparagraphthat
第一篇NewFoodsandtheNewWorld Inthelast500yearsnothingaboutpeople–nottheirclothesideasorlanguages–haschangedasmuchaswhattheyeat.Theoriginalchocolatedrinkwasmadefromtheseedsofthecocatree可可树bySouthAmericanIndians.TheSpanishintroducedittotherestoftheworldduringthe1500’s.Andalthoughitwasveryexpensiveitquicklybecamefashionable.InLondonshopswherechocolatedrinkswereservedbecameimportantmeetingplaces.Somestillexisttoday. ThepotatoisalsofromtheNewWorld.Around1600theSpanishbroughtitfromPerutoEuropewhereitsoonwaswidelygrown.IrelandbecamesodependentonitthatthousandsofIrishpeoplestarvedwhenthecropfailedduringthePotatoFamine饥荒of1845-1846andthousandsmorewereforcedtoleavetheirhomelandandmovetoAmerica. TherearemanyotherfoodsthathavetraveledfromSouthAmericatotheOldWorld.Butsomeotherswentintheoppositedirection.Brazilisnowtheworld’slargestgrowerofcoffeeandcoffeeisanimportantcropinColombiaandotherSouthAmericancountries.ButitisnativetoEthiopiaacountryinAfrica.ItwasfirstmadeintoadrinkbyArabduringthe1400’s. AccordingtoanArabiclegendcoffeewasdiscoveredwhenapersonnameKaldinoticedthathisgoatswereattractedtotheredberriesonacoffeebush.Hetriedoneandexperiencedthewide-awakefeelingthatone-thirdoftheworld’spopulationnowstartsthedaywith. WhichofthefollowingstatementsisNOTtrueaccordingtothepassage?
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare___________51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethatchildrenshouldbeseenandnotheardisrarely_______52andchildrenareoftenallowedtodo____________53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim__________54questionandchildrenareencouragedtobe______________55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom_________56far.Othersthinkthatastrongfatherimagewouldnot____________57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto_________58theirparentalfamiliesbythetimetheyhave________________59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa____________60akindofweakdependence. Thispatternofindependenceoftenresultsinserious____________61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive___________62theageof70.Thejob-retirementageis_______6365.Thechildrenhavelefthomemarriedand___________64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes._________65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup.
第三篇SaltyRicePlantBoostsHarvests Britishscientistsarebreedinganewgenerationofriceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirworkmayenableabandonedfarmstobecomeproductiveoncemore. TimFlowersandTonyYeofromSussexUniversity’sSchoolofBiologicalScienceshavespentseveralyearsresearchinghowcropssuchasricecouldbemadetogrowinwaterthathasbecomesalty. Thepairhaverecentlybegunathree-yearprogrammefundedbytheBiotechnologyandBiologicalSciencesResearchCounciltoestablishwhichgenesenablesomeplantstosurvivesaltyconditions.Theaimistobreedthiscapabilityintocropsstartingwithrice. Itisestimatedthateachyearmorethan100hectares公顷ofagriculturallandarelostbecausesaltgetsintothesoilandstunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthetropicsmangroves红树林thatcreateswamps沼泽andtraditionallyformedbarrierstoseawaterhavebeencutdown.IntheMediterraneanaseriesofdroughtshavecausedthewatertabletodropallowingseawatertoseep渗透in.inLatinAmericairrigationoftencausesproblemswhenwaterisevaporated蒸发bytheheatleavingsaltdepositsbehind. Excesssaltthenenterstheplantsandpreventsthemfunctioningnormally.Heavyconcentrationsofmineralsintheplantsstopthemdrawingupthewatertheyneedtosurvive. ToovercometheseproblemsFlowersandYeodecidedtobreedriceplantsthattakeinverylittlesaltandstorewhattheydoabsorbincellsthatdonotaffecttheplants’growth.Theyhavestartedtobreedthesecharacteristicsintoanewricecropbutitwilltakeabouteightharvestsbeforetheresultingseedsarereadytobeconsideredforcommercialuse. OncethecharacteristicsforsurvivingsaltysoilareknownFlowersandYeowilltrytobreedtheappropriategenesintoallmannersofcropsandplants.Landthathasbeenabandonedtonaturewillthenbeabletobloomagainprovidingmuchneededfoodinthepoorercountriesoftheworld. WhichofthefollowingisNOTmentionedasacauseoftheproblemdiscussedinthepassage?
ScientistsonceestimatedthatEarth’scruststartedshiftingthreebillionyearsago.
Shealways{{U}}findsfaultwith{{/U}}everything.
第三篇SaltyRicePlantBoostsHarvests Britishscientistsarebreedinganewgenerationofriceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirworkmayenableabandonedfarmstobecomeproductiveoncemore. TimFlowersandTonyYeofromSussexUniversity’sSchoolofBiologicalScienceshavespentseveralyearsresearchinghowcropssuchasricecouldbemadetogrowinwaterthathasbecomesalty. Thepairhaverecentlybegunathree-yearprogrammefundedbytheBiotechnologyandBiologicalSciencesResearchCounciltoestablishwhichgenesenablesomeplantstosurvivesaltyconditions.Theaimistobreedthiscapabilityintocropsstartingwithrice. Itisestimatedthateachyearmorethan100hectares公顷ofagriculturallandarelostbecausesaltgetsintothesoilandstunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthetropicsmangroves红树林thatcreateswamps沼泽andtraditionallyformedbarrierstoseawaterhavebeencutdown.IntheMediterraneanaseriesofdroughtshavecausedthewatertabletodropallowingseawatertoseep渗透in.inLatinAmericairrigationoftencausesproblemswhenwaterisevaporated蒸发bytheheatleavingsaltdepositsbehind. Excesssaltthenenterstheplantsandpreventsthemfunctioningnormally.Heavyconcentrationsofmineralsintheplantsstopthemdrawingupthewatertheyneedtosurvive. ToovercometheseproblemsFlowersandYeodecidedtobreedriceplantsthattakeinverylittlesaltandstorewhattheydoabsorbincellsthatdonotaffecttheplants’growth.Theyhavestartedtobreedthesecharacteristicsintoanewricecropbutitwilltakeabouteightharvestsbeforetheresultingseedsarereadytobeconsideredforcommercialuse. OncethecharacteristicsforsurvivingsaltysoilareknownFlowersandYeowilltrytobreedtheappropriategenesintoallmannersofcropsandplants.Landthathasbeenabandonedtonaturewillthenbeabletobloomagainprovidingmuchneededfoodinthepoorercountriesoftheworld. WhichofthefollowingstatementsaboutFlowersandYeoistrue?
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare___________51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethatchildrenshouldbeseenandnotheardisrarely_______52andchildrenareoftenallowedtodo____________53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim__________54questionandchildrenareencouragedtobe______________55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom_________56far.Othersthinkthatastrongfatherimagewouldnot____________57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto_________58theirparentalfamiliesbythetimetheyhave________________59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa____________60akindofweakdependence. Thispatternofindependenceoftenresultsinserious____________61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive___________62theageof70.Thejob-retirementageis_______6365.Thechildrenhavelefthomemarriedand___________64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes._________65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup.
Thestudyalsonotesa{{U}}steady{{/U}}declineinthenumberofcollegestudentstakingsciencecourses.
第二篇PleaseFastenYourSeatbelts Severeturbulence湍流cankillaircraftpassengers.NowintestflightsovertheRockyMountainsNASA美国航空航天局engineershavesuccessfullydetectedclear-airturbulenceupto10secondsbeforeanaircrafthitsit. Clear-airturbulenceoftencatchespilotsbysurprise.Invisibletoradaritisdifficulttoforecastandcanhurl用力抛出去passengersaboutthecabin.InDecember1997onepassengerdiedandahundredotherswereinjuredwhenunexpectedroughaircausedaUnitedAirlinesflightoverthePacifictodrop300metresinafewseconds. Howeverpassengerscanavoidseriousinjurybyfasteningtheirseatbelts.Itistheonlyantidote对策forthissortofthingssaysRodBogueprojectmanageratNASA’sDrydenFlightResearchCenterinEdwardsCalifornia. Thecentre’snewturbulencedetectorisbasedonlidarorlaserradarLaserpulsesaresentaheadoftheplaneandthesearethenreflectedbackbyparticlesintheair.ThetechniquedependsontheDopplereffect.Thewavelengthofthelightshiftsaccordingtothespeedatwhichtheparticlesareapproaching.Incalmairthespeedequalstheplane’sairspeed.Butastheparticlesswirl打漩inroughairtheirspeedofapproachincreasesordecreasesrapidly.Therateofchangeinspeedcorrespondstotheseverity激烈程度oftheturbulence. Inaseriesofteststhatbeganlastmontharesearchjetflewrepeatedlyintodisturbedairoverthemountainridges山脉nearPuebloColorado.Thelidardetectorspottedturbulencebetween3and8kilometresaheadanditsforecastsofstrengthanddurationcorrespondedcloselywiththeturbulencethattheplaneencountered. Boguesaysthathehadacomfortableamountoftimetofastenhisseatbelt.Theresearchersareplanningtoimprovethelidar’srangewithamorepowerfulbeam.Thesystemcouldbeinstalledoncommercialaircraftinthenextfewyears. InDecember1997aUnitedAirlinesflighthitunexpectedroughair
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