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George couldn't remember when he first met Mr. Anderson, but he was sure it was ______ Sunday becaus...
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Georgecouldn’trememberwhenhefirstmetMr.Andersonbut
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HaveyouhadaheadacheduringatestHaveyoueverbeensoworriedaboutsomethingthatyouhaveaheadacheorevencan’tsleepatnightIfsothenyouknowwhatstressis.Stressiswhatyoufeelwhenyouareworriedaboutsomething.Thisworryinyourmindcanmakeyourbodyfeelbad.Youmayfeelangrysadscaredorafraid—allofwhichcangiveyouastomachacheoraheadache.Howevertherearedifferentkindsofstress.Somekindsofstressaregoodandothersarebad.Goodstressmighthappenwhenyou’recalledtoanswerquestionsinclassorwhenyouhavetogiveaspeech.Thiskindofstresscanhelpyoutogetthingsbetterdone.Forexampleyoumaydoabetterjobonyourtestifthestresspushesyoutopreparebetterbeforethetest.Ontheotherhandbadstresscanhappenifstresslaststoolong.Youmaynotfeelwellifyourparentsarefightingifafamilymemberissickifyou’rehavingproblemsatschoolorifanythingelsemakesyouunhappyeveryday.Thatkindofstressisn’tgoingtohelpyou.Anditcanactuallymakeyousick.Thebestwaytofightstressistohaveabalancedlife.MakesureyoukeepyourSELFinmind:SleepExerciseLeisure休闲andFood.Ifyougetenoughsleepandeatproperlyandifyouexerciseandleavetimeforfunyou’llprobablyfeellessstressed.Title:FacetheStressMeaningofstressStressisa68whenyouareworriedaboutsomething.PossibleeffectYoumayfeeluncomfortableinyour69andbody.Goodstress·Itmighthappenwhenyouhaveto70inpublic.·Itwillbemore71foryoutodothejobsuccessfully.·Itmakesyou72betterbeforedoingthejob.DifferentkindsBadstress·Itmighthappenifyourstress73toolong.·Youmaynotfeelwellwiththe74ofafamilymemberproblemsatschoolorsomethingelsethatworriesyoueveryday.·Itmightstopyoufromgettingyourworkwelldone.Howtokeepstress75Haveabalancedlife.·Haveenoughsleepandhave76food.·Takeexerciseandhavetimeto77yourself.
Americansusemorewaterthananyotherpeopleintheworld.Ifwecontinuetousewaterattheratewedonowwewillsoonnothaveenoughtomeetourneeds.In198040billiongallonswereusedeachdayintheUnitedStates.In1990700billiongallonswereused.TheaverageAmericansusesalmost90gallonsofwateradayforpersonaluse.AndmuchmovewaterisneededtomakethethingsAmericanpeopleliketohave.Forexampleittakesthousandsofgallonsofwatertomakeonepoundofbeefforthedinnertable.Ittakesmorethan100000gallonsofwatertomakeacar.IfweincludetheseusesofwatertheaverageAmericanusesabout2000gallonsofwateraday.Thebesttitleforthepassageis______.
·ACMilanstarKakasaysafootinjuryisstillstoppinghimfromreturningtofootball.Hehasnotplayedfor32days.Kakasaysheisinalotofpain.Ihurtmyselfinanareathatwealwaysputpressureon.Kakaonceplayedforayearwithakneeinjurybutthe26-year-oldsaidthisismuchworse.·BritishactressEmmausedtospendmoretimefilmingthanatschool.Buttodaysheisreadytopaymoreattentiontoherstudies.This19-year-oldgirlwillstartattheYaleUniversityintheautumn.Ialwayslovedschool.Ijustwanttogobackandfindwhatelsethereisshesaid.·Chinese25-year-oldsportsstarLiuXiangreturnedtoShanghaiinMarch.HehadasuccessfulfootoperationinDecemberinHoustonandspentthenextthreemonthsthereforrecoveryandbasictraining.ItissaidthatagroupofdoctorsarereadytohelpwithLiu’srecovery.·RussiangreattennisplayerSharapovawillnotheplayingintheMPSGroupChampionshipswhichbeginsintheUSonMonday.SharapovawasmissingtheSonyEricssonOpentheweekbeforelastinMiami.ShemaycontinuetrainingfortheWTARomeeventatthebeginningofMay.Amongthefourpersons______isn’taspoilsstar.
I’msureyoucan______findwhatyouwantinourshop.
—WhenwasthefirstmanwithAH1N1fluinmainlandChinaknownforsure—______May112009.
—AfterreadingthestoryaboutJinJingIwasvery______.—______She'sreallybrave.
Iwantmyfather______buyanewcomputerforme.
Everybodydreams.Somepeoplethinkdreamscantellusaboutthefuture.Otherpeoplethinkdreamscantellusaboutourselves.It’slikeour11istalkingtous.Whyaredreams12strangeandhardtounderstandSomepeoplethinkourbrainuses13totalktous.Whenweflyswimorfalldowninourdreamsithasa14meaning.Lotsofdoctorshelppeople15theirdreams.Theyfindthatdreamstellusaboutour16andfears.Thesedaysmanyscientists17thatdreamsareveryimportant.Duringthedaywehavemany18andourbrainreceivesalotofinformation.Whenwedreamourbrain19informationthatisnotimportantandputsthemostimportantinformationintoour20.Aswelearnmoreaboutthebrainwemayfindanswerstoourquestionsaboutdreams.Ⅰ.完形填空/Close阅读下列短文从每小题所给的ABCD四个选项中选出一个最佳选项
DoyouthinkthereistoomuchnoiseinourcityIfyoulivenearanairportyouwillbeunhappybecauseaplaneoftenmakesaloudnoise.Thesoundofplanesorheavyvehiclesislikelytocausedeafnessifheardcontinuously.Howevermostpeopleinourcitydonotseemtomindnoise.Theyliketoenjoymusicwhentheyaredoinguninterestingjobs.Itisanewdangerbecausepopmusicwhenplayedthroughpowerfulamplifierscanreach120decibelsatadistanceoffivefeet.Acontinuousnoiseofover85decibelscancausedeafness.ItwasdiscoveredthatmanyyoungpeopleinAmericacouldhearnobetterthan65-year-oldpeople.Inthepastweusedtothinkthatonlyworkersinverynoisyplaceswouldbecomedeaf.Forexamplewhennewspapersandbooksarebeingprintedthenoiselevelisover85decibelsandsomeoftheworkersbecomedeaf.Todayhoweverscientistsbelievethat10percentoftheworkersinBritainarebeingdeafenedbythenoise.Sometimesnoiseoflessthan85decibelscanmakesomepeopletiredandstressed.Weallknowthattoomuchnoisemakeslifedifficultandunpleasant.Itcandogreatharmtopeople’shealthandpreventpeoplefromworkingwell.Workersinnoisyofficesarenotasefficientasthoseinquietoffices.Noisemakespeoplelessefficient.CananythingbedonetoreduceorcontrolnoiseInBritainthegovernmenthasmadeseverallawstoreducenoise.Thoughthegovernmenthasspentalotofmoneyinmakingairportsandmainroadsquietermanypeoplethinkthattherearestillnotenoughlaws.Forexampletherearenolawstocontrolthenoiseofmachines.InJapanAmericaandNorwaytherearesuchlaws.Asaresultworkerscanbegivencompensationiftheybecomedeaf.InBritaintherearelawsto______.
—______Yournameagainplease.—It'sBellGreen.
There______somemilktwoeggsandafewcakesonthetable.
HaveyouhadaheadacheduringatestHaveyoueverbeensoworriedaboutsomethingthatyouhaveaheadacheorevencan’tsleepatnightIfsothenyouknowwhatstressis.Stressiswhatyoufeelwhenyouareworriedaboutsomething.Thisworryinyourmindcanmakeyourbodyfeelbad.Youmayfeelangrysadscaredorafraid—allofwhichcangiveyouastomachacheoraheadache.Howevertherearedifferentkindsofstress.Somekindsofstressaregoodandothersarebad.Goodstressmighthappenwhenyou’recalledtoanswerquestionsinclassorwhenyouhavetogiveaspeech.Thiskindofstresscanhelpyoutogetthingsbetterdone.Forexampleyoumaydoabetterjobonyourtestifthestresspushesyoutopreparebetterbeforethetest.Ontheotherhandbadstresscanhappenifstresslaststoolong.Youmaynotfeelwellifyourparentsarefightingifafamilymemberissickifyou’rehavingproblemsatschoolorifanythingelsemakesyouunhappyeveryday.Thatkindofstressisn’tgoingtohelpyou.Anditcanactuallymakeyousick.Thebestwaytofightstressistohaveabalancedlife.MakesureyoukeepyourSELFinmind:SleepExerciseLeisure休闲andFood.Ifyougetenoughsleepandeatproperlyandifyouexerciseandleavetimeforfunyou’llprobablyfeellessstressed.Title:FacetheStressMeaningofstressStressisa68whenyouareworriedaboutsomething.PossibleeffectYoumayfeeluncomfortableinyour69andbody.Goodstress·Itmighthappenwhenyouhaveto70inpublic.·Itwillbemore71foryoutodothejobsuccessfully.·Itmakesyou72betterbeforedoingthejob.DifferentkindsBadstress·Itmighthappenifyourstress73toolong.·Youmaynotfeelwellwiththe74ofafamilymemberproblemsatschoolorsomethingelsethatworriesyoueveryday.·Itmightstopyoufromgettingyourworkwelldone.Howtokeepstress75Haveabalancedlife.·Haveenoughsleepandhave76food.·Takeexerciseandhavetimeto77yourself.
Everybodydreams.Somepeoplethinkdreamscantellusaboutthefuture.Otherpeoplethinkdreamscantellusaboutourselves.It’slikeour11istalkingtous.Whyaredreams12strangeandhardtounderstandSomepeoplethinkourbrainuses13totalktous.Whenweflyswimorfalldowninourdreamsithasa14meaning.Lotsofdoctorshelppeople15theirdreams.Theyfindthatdreamstellusaboutour16andfears.Thesedaysmanyscientists17thatdreamsareveryimportant.Duringthedaywehavemany18andourbrainreceivesalotofinformation.Whenwedreamourbrain19informationthatisnotimportantandputsthemostimportantinformationintoour20.Aswelearnmoreaboutthebrainwemayfindanswerstoourquestionsaboutdreams.Ⅰ.完形填空/Close阅读下列短文从每小题所给的ABCD四个选项中选出一个最佳选项
Somepeoplemakeyoufeelcomfortablewhentheyarearound.Youspendanhourwiththemandfeelasifyouhaveknownthemhalfyourlife.Thesepeoplehavesomethingincommon.Andonceweknowwhatitiswecantrytodoitourselves.HowisitdoneHereareseveralskillsthatgoodtalkershave.Ifyoufollowtheskillsthey’llhelpyouputpeopleattheireaseandmakefriendswiththemquickly.Firstofallgoodtalkersaskquestions.Almostanyonenomatterhowshyheiswillansweraquestion.Onewell-knownbusinesswomansaysAtbusinesslunchesIalwaysaskpeoplewhattheydidthatmorning.It’sacommonquestionbutitwillgetthingsgoing.Fromthereyoucanmoveontoothermatters—sometimestoreallypersonalquestions.Andhowheanswerswillletyouknowhowfaryoucango.Secondoncegoodtalkershaveaskedquestionstheylistentotheanswers.Thispointseemsclearbutitisn’t.Yourquestionsshouldhaveapointandhelptotellwhatsortofpersonyouaretalkingto.Andtofindoutyoureallyhavetolistencarefullyandattentively.Reallisteningatleastmeanssomethings.Firstitmeansnottochangethesubjectofconversation.Ifsomeonestickstoonetopicyoucantakeitasafactthathe’sreallyinterestedinit.Reallisteningalsomeansnotjustlisteningtowordsbuttotonesofvoice.Ifthevoicesoundsdullthenit’stimeforyoutochangethesubject.Finallygoodtalkersknowwellhowtodealwiththeoccasionofparting.Ifyou’resayinggoodbyeyoumaygivehimafirmhandshakeandsayI’vereallyenjoyedmeetingyou.Ifyouwanttoseethatpersonagaindon’tkeepitasecret.Letpeopleknowwhatyoufeelandtheymaywalkawayfeelingasifthey’veknownyouhalftheirlife.Askingquestionsmightbeaquitegoodandsuitableway______.
Everybodydreams.Somepeoplethinkdreamscantellusaboutthefuture.Otherpeoplethinkdreamscantellusaboutourselves.It’slikeour11istalkingtous.Whyaredreams12strangeandhardtounderstandSomepeoplethinkourbrainuses13totalktous.Whenweflyswimorfalldowninourdreamsithasa14meaning.Lotsofdoctorshelppeople15theirdreams.Theyfindthatdreamstellusaboutour16andfears.Thesedaysmanyscientists17thatdreamsareveryimportant.Duringthedaywehavemany18andourbrainreceivesalotofinformation.Whenwedreamourbrain19informationthatisnotimportantandputsthemostimportantinformationintoour20.Aswelearnmoreaboutthebrainwemayfindanswerstoourquestionsaboutdreams.Ⅰ.完形填空/Close阅读下列短文从每小题所给的ABCD四个选项中选出一个最佳选项
HaveyouhadaheadacheduringatestHaveyoueverbeensoworriedaboutsomethingthatyouhaveaheadacheorevencan’tsleepatnightIfsothenyouknowwhatstressis.Stressiswhatyoufeelwhenyouareworriedaboutsomething.Thisworryinyourmindcanmakeyourbodyfeelbad.Youmayfeelangrysadscaredorafraid—allofwhichcangiveyouastomachacheoraheadache.Howevertherearedifferentkindsofstress.Somekindsofstressaregoodandothersarebad.Goodstressmighthappenwhenyou’recalledtoanswerquestionsinclassorwhenyouhavetogiveaspeech.Thiskindofstresscanhelpyoutogetthingsbetterdone.Forexampleyoumaydoabetterjobonyourtestifthestresspushesyoutopreparebetterbeforethetest.Ontheotherhandbadstresscanhappenifstresslaststoolong.Youmaynotfeelwellifyourparentsarefightingifafamilymemberissickifyou’rehavingproblemsatschoolorifanythingelsemakesyouunhappyeveryday.Thatkindofstressisn’tgoingtohelpyou.Anditcanactuallymakeyousick.Thebestwaytofightstressistohaveabalancedlife.MakesureyoukeepyourSELFinmind:SleepExerciseLeisure休闲andFood.Ifyougetenoughsleepandeatproperlyandifyouexerciseandleavetimeforfunyou’llprobablyfeellessstressed.Title:FacetheStressMeaningofstressStressisa68whenyouareworriedaboutsomething.PossibleeffectYoumayfeeluncomfortableinyour69andbody.Goodstress·Itmighthappenwhenyouhaveto70inpublic.·Itwillbemore71foryoutodothejobsuccessfully.·Itmakesyou72betterbeforedoingthejob.DifferentkindsBadstress·Itmighthappenifyourstress73toolong.·Youmaynotfeelwellwiththe74ofafamilymemberproblemsatschoolorsomethingelsethatworriesyoueveryday.·Itmightstopyoufromgettingyourworkwelldone.Howtokeepstress75Haveabalancedlife.·Haveenoughsleepandhave76food.·Takeexerciseandhavetimeto77yourself.
—WillyoupleasetakeamessageforMike—______.
I'vefoundsomepicturesofthemostinterestingplaces______youcanvisitduringthewinterholidays.
Americansusemorewaterthananyotherpeopleintheworld.Ifwecontinuetousewaterattheratewedonowwewillsoonnothaveenoughtomeetourneeds.In198040billiongallonswereusedeachdayintheUnitedStates.In1990700billiongallonswereused.TheaverageAmericansusesalmost90gallonsofwateradayforpersonaluse.AndmuchmovewaterisneededtomakethethingsAmericanpeopleliketohave.Forexampleittakesthousandsofgallonsofwatertomakeonepoundofbeefforthedinnertable.Ittakesmorethan100000gallonsofwatertomakeacar.IfweincludetheseusesofwatertheaverageAmericanusesabout2000gallonsofwateraday.Whatistheauthor’sopinion______.
DoyouthinkthereistoomuchnoiseinourcityIfyoulivenearanairportyouwillbeunhappybecauseaplaneoftenmakesaloudnoise.Thesoundofplanesorheavyvehiclesislikelytocausedeafnessifheardcontinuously.Howevermostpeopleinourcitydonotseemtomindnoise.Theyliketoenjoymusicwhentheyaredoinguninterestingjobs.Itisanewdangerbecausepopmusicwhenplayedthroughpowerfulamplifierscanreach120decibelsatadistanceoffivefeet.Acontinuousnoiseofover85decibelscancausedeafness.ItwasdiscoveredthatmanyyoungpeopleinAmericacouldhearnobetterthan65-year-oldpeople.Inthepastweusedtothinkthatonlyworkersinverynoisyplaceswouldbecomedeaf.Forexamplewhennewspapersandbooksarebeingprintedthenoiselevelisover85decibelsandsomeoftheworkersbecomedeaf.Todayhoweverscientistsbelievethat10percentoftheworkersinBritainarebeingdeafenedbythenoise.Sometimesnoiseoflessthan85decibelscanmakesomepeopletiredandstressed.Weallknowthattoomuchnoisemakeslifedifficultandunpleasant.Itcandogreatharmtopeople’shealthandpreventpeoplefromworkingwell.Workersinnoisyofficesarenotasefficientasthoseinquietoffices.Noisemakespeoplelessefficient.CananythingbedonetoreduceorcontrolnoiseInBritainthegovernmenthasmadeseverallawstoreducenoise.Thoughthegovernmenthasspentalotofmoneyinmakingairportsandmainroadsquietermanypeoplethinkthattherearestillnotenoughlaws.Forexampletherearenolawstocontrolthenoiseofmachines.InJapanAmericaandNorwaytherearesuchlaws.Asaresultworkerscanbegivencompensationiftheybecomedeaf.Someworkersbecomedeafbecauseof______.
Somepeoplemakeyoufeelcomfortablewhentheyarearound.Youspendanhourwiththemandfeelasifyouhaveknownthemhalfyourlife.Thesepeoplehavesomethingincommon.Andonceweknowwhatitiswecantrytodoitourselves.HowisitdoneHereareseveralskillsthatgoodtalkershave.Ifyoufollowtheskillsthey’llhelpyouputpeopleattheireaseandmakefriendswiththemquickly.Firstofallgoodtalkersaskquestions.Almostanyonenomatterhowshyheiswillansweraquestion.Onewell-knownbusinesswomansaysAtbusinesslunchesIalwaysaskpeoplewhattheydidthatmorning.It’sacommonquestionbutitwillgetthingsgoing.Fromthereyoucanmoveontoothermatters—sometimestoreallypersonalquestions.Andhowheanswerswillletyouknowhowfaryoucango.Secondoncegoodtalkershaveaskedquestionstheylistentotheanswers.Thispointseemsclearbutitisn’t.Yourquestionsshouldhaveapointandhelptotellwhatsortofpersonyouaretalkingto.Andtofindoutyoureallyhavetolistencarefullyandattentively.Reallisteningatleastmeanssomethings.Firstitmeansnottochangethesubjectofconversation.Ifsomeonestickstoonetopicyoucantakeitasafactthathe’sreallyinterestedinit.Reallisteningalsomeansnotjustlisteningtowordsbuttotonesofvoice.Ifthevoicesoundsdullthenit’stimeforyoutochangethesubject.Finallygoodtalkersknowwellhowtodealwiththeoccasionofparting.Ifyou’resayinggoodbyeyoumaygivehimafirmhandshakeandsayI’vereallyenjoyedmeetingyou.Ifyouwanttoseethatpersonagaindon’tkeepitasecret.Letpeopleknowwhatyoufeelandtheymaywalkawayfeelingasifthey’veknownyouhalftheirlife.Generallyspeakinggoodtalkersarepersonswho______.
HaveyouhadaheadacheduringatestHaveyoueverbeensoworriedaboutsomethingthatyouhaveaheadacheorevencan’tsleepatnightIfsothenyouknowwhatstressis.Stressiswhatyoufeelwhenyouareworriedaboutsomething.Thisworryinyourmindcanmakeyourbodyfeelbad.Youmayfeelangrysadscaredorafraid—allofwhichcangiveyouastomachacheoraheadache.Howevertherearedifferentkindsofstress.Somekindsofstressaregoodandothersarebad.Goodstressmighthappenwhenyou’recalledtoanswerquestionsinclassorwhenyouhavetogiveaspeech.Thiskindofstresscanhelpyoutogetthingsbetterdone.Forexampleyoumaydoabetterjobonyourtestifthestresspushesyoutopreparebetterbeforethetest.Ontheotherhandbadstresscanhappenifstresslaststoolong.Youmaynotfeelwellifyourparentsarefightingifafamilymemberissickifyou’rehavingproblemsatschoolorifanythingelsemakesyouunhappyeveryday.Thatkindofstressisn’tgoingtohelpyou.Anditcanactuallymakeyousick.Thebestwaytofightstressistohaveabalancedlife.MakesureyoukeepyourSELFinmind:SleepExerciseLeisure休闲andFood.Ifyougetenoughsleepandeatproperlyandifyouexerciseandleavetimeforfunyou’llprobablyfeellessstressed.Title:FacetheStressMeaningofstressStressisa68whenyouareworriedaboutsomething.PossibleeffectYoumayfeeluncomfortableinyour69andbody.Goodstress·Itmighthappenwhenyouhaveto70inpublic.·Itwillbemore71foryoutodothejobsuccessfully.·Itmakesyou72betterbeforedoingthejob.DifferentkindsBadstress·Itmighthappenifyourstress73toolong.·Youmaynotfeelwellwiththe74ofafamilymemberproblemsatschoolorsomethingelsethatworriesyoueveryday.·Itmightstopyoufromgettingyourworkwelldone.Howtokeepstress75Haveabalancedlife.·Haveenoughsleepandhave76food.·Takeexerciseandhavetimeto77yourself.
·ACMilanstarKakasaysafootinjuryisstillstoppinghimfromreturningtofootball.Hehasnotplayedfor32days.Kakasaysheisinalotofpain.Ihurtmyselfinanareathatwealwaysputpressureon.Kakaonceplayedforayearwithakneeinjurybutthe26-year-oldsaidthisismuchworse.·BritishactressEmmausedtospendmoretimefilmingthanatschool.Buttodaysheisreadytopaymoreattentiontoherstudies.This19-year-oldgirlwillstartattheYaleUniversityintheautumn.Ialwayslovedschool.Ijustwanttogobackandfindwhatelsethereisshesaid.·Chinese25-year-oldsportsstarLiuXiangreturnedtoShanghaiinMarch.HehadasuccessfulfootoperationinDecemberinHoustonandspentthenextthreemonthsthereforrecoveryandbasictraining.ItissaidthatagroupofdoctorsarereadytohelpwithLiu’srecovery.·RussiangreattennisplayerSharapovawillnotheplayingintheMPSGroupChampionshipswhichbeginsintheUSonMonday.SharapovawasmissingtheSonyEricssonOpentheweekbeforelastinMiami.ShemaycontinuetrainingfortheWTARomeeventatthebeginningofMay.HowlonghasKakanotplayedfootballbecauseofhisfootinjury
Whetherbyaccidentor______hearrivedtoolatetohelpus.
Airpollutioniscausedbymanythings.Greatcloudsofsmokecomefromfactories.Carssendsmokeandfumesintotheair.Burningwastefillstheairwithbitsofdirt.Evenburningleavesaddsmoketotheair.Sometimesplanescannotfindtheirlandingspotsthroughsmoke.Smokeofallkindsisbadtobreatheandcandogreatharmtothebody.Stillwecannotlivewithoutair.Wemustfindawaytocleantheairwehave.Intimewemayhavefactoriesthatarerunbyatomicenergy.Ourcarsmayrunonsmoke-freeelectricpower.Scientistsarealsoworkingonnewwaystohelptheoilburnedbycarsfrommakingfumes.Wastemaybeburnedinthesandonoceanfloors.Thesechangesmightkeepouraircleanintheyearstocome.Butuntilthenmanyscientistsarelookingforwaystomakeaircleanernow.Airpollutioniscausedby______.
Airpollutioniscausedbymanythings.Greatcloudsofsmokecomefromfactories.Carssendsmokeandfumesintotheair.Burningwastefillstheairwithbitsofdirt.Evenburningleavesaddsmoketotheair.Sometimesplanescannotfindtheirlandingspotsthroughsmoke.Smokeofallkindsisbadtobreatheandcandogreatharmtothebody.Stillwecannotlivewithoutair.Wemustfindawaytocleantheairwehave.Intimewemayhavefactoriesthatarerunbyatomicenergy.Ourcarsmayrunonsmoke-freeelectricpower.Scientistsarealsoworkingonnewwaystohelptheoilburnedbycarsfrommakingfumes.Wastemaybeburnedinthesandonoceanfloors.Thesechangesmightkeepouraircleanintheyearstocome.Butuntilthenmanyscientistsarelookingforwaystomakeaircleanernow.Scientistsarenowworkingonwaysto______.
He______leaveforBeijingrightnow.
WhereisyourbrotherHe______flyakiteoverthere.
Americansusemorewaterthananyotherpeopleintheworld.Ifwecontinuetousewaterattheratewedonowwewillsoonnothaveenoughtomeetourneeds.In198040billiongallonswereusedeachdayintheUnitedStates.In1990700billiongallonswereused.TheaverageAmericansusesalmost90gallonsofwateradayforpersonaluse.AndmuchmovewaterisneededtomakethethingsAmericanpeopleliketohave.Forexampleittakesthousandsofgallonsofwatertomakeonepoundofbeefforthedinnertable.Ittakesmorethan100000gallonsofwatertomakeacar.IfweincludetheseusesofwatertheaverageAmericanusesabout2000gallonsofwateraday.Americansused______gallonsofwatereachdayin1980.
Wouldyoulike______takeawalkaftersupper
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