閱讀理解CD篇專練20篇滿分：

班級： 姓名： 考號： 一、閱讀理解（共20小題）1.Werewolves（狼人）aren'ttheonlycreaturesaffectedbythemoon'scycles（周期）.Afullmoonalsoaffectspeople’ssleepmoreorless，reportsaSwissteamofscientists．Evenpeoplewhosleepinalabwithoutwindowscouldreducetheirsleepingtimealittleonceamonth.Totestthemoon’sinfluence,33adultsofbothsexesandagesofmanykindsspentseveralnightsinasleeplab.Astheyslept，researchersrecordedtheirbrainactivity，eyemovementsandhormonelevels（荷爾蒙水平）.Onnightsclosertoafullmoon,thesleeperstookanaverageoffiveminuteslongertofallasleep，andsleptfor20minutesless.Inaddition，brainactivityfellby30percentduringthesleep.Andhormonelevelsthathelpcontrolsleepcycleswentdown.Onthesenights,thesleeperscomplainedtheycouldn’tsleepwelleventhoughtheydidn’tknowthemoon'scycle.Onthebrightside，nosleeperturnedintoawerewolf。TheSwissteamdoesn’tknowhowthemoonaffectssleep.Thegravity（重力）ofthemooncausesoceantides（潮汐）toriseandfall.Butthatforceistooweaktoaffectsleep,GajOChensays.Hebelievedsomebody’sbiologicalclockmaybeaffectedbythemooncycles.Theremaybeanotherreason,saysDavidDinges.ThissleepresearcherattheUniversityOfPennsylvaniainPhiladelphiasaysthatthebodyclockisverysensitive（敏感的）tolightatnight.Thosesleeperscouldhavebeenaffectedbyhavingtoomuchmoonlightbeforearrivingatthelab..Thewritermentioned“werewolves”inthefirstparagraphto .A。showtherearethemoon'scyclesB。attractpeople'sattentiontothereportC。introduceacreaturetoreadersD。askpeoplenottosleepaloneinthelab.Whathappenedtothesleepersduringtheexperimentonafullmoon？A。TheysleptforaboutfiveminuteslongeroB.Theycouldonlysleepfor20minutes。C。TheirbrainswerenotasactiveastheywereD.Theycomplainedtheyweretootiredtosleep.3．Thelastparagraphisdevelopedmainlyby .A。analyzing（分析）reasonsB.explainingdifferencesC。makingcomparisonsD.followingthetimeorder4.Thepassageismainlyabout 。A。thesleepingproblemscausedbythemoon'scyclesB.theinfluenceofthemoononhumansleepinghabitsC.themoon'sinfluenceonsleepinganditspossiblereasonsD.thewaystogetabettersleeponafullmoonnight2。ImaginepickingapplesonChristmasorgoingskatingonMayDay.WhataboutgoingforaSWimonThanksgiving?WithoutLeaP口2丫（閏日）,whichtakesplaceeveryfouryears,thatcouldhappen.Ourcalendarisnormally365dayslong.Itwascreatedtomatchthecyclesoftheseasons.ButRomanrulerJuliusCaesarnoticedaproblem：Theearthdoesn'tcirclethesuninexactly365days.Itactuallycakes365andone—quarterdays.Hefiguredoutthattheextrapartofadaywouldcausethecalendartogrowapartfromtheseasonsovertime.Over100years，theseasonswouldshift（推移）about24days.SpringwouldstartonApril13insteadofMarch20.Caesarusedmathtofigureoutawaytostopthecalendarfromshifting.HedecidedtoaddanextradaytothemonthofFebruaryeveryfouryears.Hisideahelpedkeeptheseasonsandcalendarmatchedup.Evenso，itstillwasn’tperfect-hiscalendarwasaddingtoomanydays.Gregoriancalendar,declaresthateveryyearthatisequallydividedby400isaleapyear.Turn—of—the—centuryyears,oryearsendingin“00”，wouldnotbeleapyearsunlesstheycouldbedividedequallyby400.Thesecomplicatedequations（等式）helpkeepthecalendarinbalancewiththeorbitoftheearth.Today,westillusetheGregoriancalendar.Inabout3,000years，thecalendarwillbeonlyonedayoutofstepwiththeseasons,It’sstillnotperfect，butmathematiciansdecideditwasascloseaswecouldget.1.WhywasJuliusCaesar’scalendarnotgoodenough？A.Springwouldstarttwenty-fourdayslaterthanusualB.Itwouldbeonlyonedayoutofstepwiththeseasons.C.Therewouldbetoomanydaysonthecalendar.D.LeapDaywouldtakeplaceeveryotheryear.tcanbeinferredfromthetextthat .A．theearthcirclesthesuninexactly365daysB．GregoriancalendarismorescientificthanCaesar'sC．Pope'scalendarhasbeenusedfor3，000yearsD．CaesaraddedanextradaytoeveryFebruary3．WhichofthefollowingyearsisaleapyearaccordingtoPope？A．Theyear2100．B．Theyear2200．C．Theyear2300．D．Theyear2400．4．Inwhichsectionofawebsitecanyouprobablyreadthistext？A．Opinion．B．Policy．C．Entertainment．D．Science．.DOneofthemostpopularpetsintheworld,theAustraliantreefrog,isoriginallyanativeofAustralia,thoughthepettradehastransporteditfarandwide．IthassuccessfullyadaptedtoNewZealandandtheUnitedStates．It'soneofthelargestmembersofitsspeciesandcanreachupto10centimetresinlength．Theirlifespans（壽命）arealsolongerthanmostoftheirfrogcousinsandcanreachbetween6to20yearsincaptivity．Inthewild，theirlivesaresmallerduetotheirnaturalenemies．Theirskincolorrangesbetweenlightgreenanddarkgreen，dependingonthetemperatureoftheplacewheretheyliveandthecoloroftheenvironmentaroundwheretheylive,asit’ssupposedtomakethemdifficulttobeseenbytheirnaturalenemies．Theycomeoutonlyatnighttohunt，feedandmate．Duringtheday,theyfinddark,wetareastosleepin．Theyaren’tseenatallduringthewinter．AStheAustraliantreefrogisn'tequippedwithteeth,itcannottearapartitsPrey（獵物）.Itneedstofeedonfoodthatcanfitinitsmouth．Thereforeitsdietconsistsofinsects，suchasspiders,andflies,andsmallanimals,suchasotherfrogs，batsandsometimesevenmice.Forthesmallerprey，theyusetheirstickytonguestoshootatthecloserangeprey.Forlargerprey,theyattackthepreyandforceitintotheirmouthswiththeirhands.Theyalsohavesomenaturalenemiesthatfeedonthem．TheAustralianlawprotectsthetreefrogbygivingitaprotectedstatusTheIUCN(InternationalUnionforConservationofNature),however，givesita“leastconcern”status．Thebroadrangeofhabitats(棲息地)thatthefrogcansurviveinanditslonglifeensurethatthisfrogwon’tlosepopulation．ThiscreatureisreallyaverypopularpetIfyougetanAustraliangreentreefrogasapet，doremembertofeeditinproperamountsandletitlooseforexercise．1．Whatcanbethemainideaofthepassage？A．Howtokeepfrogsaspets？B．FactsabouttheAustraliantreefrog．C．AnimalsuniquetoAustralia．D．Whyfrogscanmakegoodpets？2．WhatcanweknowabouttheskincolorofAustraliantreefrogs?A．Itchangesatdifferenttimesoftheday．B．Ithelpsthemwiththeirhuntingforfood．C．Itoffersthemacertaindegreeofprotection．D．Itshowswhatdevelopmentstagetheyarein．3．Paragraph3mainlytalksabouttheAustraliantreefrog's ．A．feedingandhuntinghabitsB．naturalenemiesC．livingenvironmentsandinhabitatsD．survivalskills．WhatcanweknowabouttheAustraliantreefrogfromthepassage?A．Thereisnolawprotectingityet．B．Itsteethhelptearitspreyintopieces．C．IthasbeendeclaredanendangeredspeciesbytheIUCN．D．Itsleepsinthedaytimeandhuntsatnight．.CWhendidyoufirstwanttodrive？ImaniCokerdreamedofgettingherlicenseinmiddleschool．“Ican’twaittillI'm15,”shetoldherfriends．Whensheturned15,however，Imanihadachangeofheart．“IfIgetmylicense,myparentswilltakethefunoutofdrivingbysendingmeplaces…nottomention，insuranceisexpensive．Thestreetsarefilledwithcrazydrivers，andIdon’twanttobecomeoneoftheCoker，now16．Coker,agirlfromRichmondHeights,FloridaintheUnitedStates，isoneofagrowingnumberofUSteenagerswhoarelosinginterestindriving．LearningtodrivehaslongbeenatraditionforUSteens-theycangetalearner'spermitat15andafulldrivinglicenseat16．AccordingtoastudybytheUniversityofMichigan’sTransportationResearchInstitute,however,thenumberofUSteensgettingtheirlicenseisdroppingmoreandmoreeachyear．Twentyyearsago，70percentof18—year-oldshadtheirlicense．Today,only54percentdo．SowhyareUSteensnotgettingbehindthesteeringwheel（方向盤）？ASCokerPUtit：Toomanyproblems，notenoughbenefits．HighgasandinsUrancepricesmeanthatmanyUSparentsarestoppingtheirteensfromdriving．Andnowthattheycantextandusesocialmedia,fewerteensneedtodrivetoafriend’shoUse．AsUrveybyZipCarfoUndthatoUtof29418-34yearoldsinterviewed，68percentsaidtheywoUldratherspendtimewithfriendsonlineinsteadofdrivingtoseethem．“Theproblemwithtoday'syouthisn'tthattextingisinterf?ring（妨礙）withtheirdriving,it'sthathavingtodriveisinterferingwiththeirtexting,”saidMichaelSivak,researchprofessorattheUniversityofMichiganTransportationResearchInstitUte．However，it'snotallbadnews-therearepositivestohavinganextradriverinthehoUse．“Whenevermymomisrunninglatetopickupmybrotherfrompractice,I'mtheonewhohastogogethim,”saidSaraMathhews，17,fromMiami,Florida．“HavingmyowncarisahugehelptomyparentssometimesbecaUseIcangotodoctorappointmentsanddoothertasksbymyself．”1．WhatistheaUthor'smainpUrposeinwritingthetext?A．ToexplainthedrivingcUltUreintheUS．B．TotellUswhatchangedCoker'sattitUdetowarddriving．C．ToanalyzewhyUSteenagersarenowdrivingless．D．ToexplainhowUSteenagerssocializewiththeirfriends．2．WhatdiscoUragedCokerfromlearningtodriveaccordingtothetext？a．Wilddriversinthestreets．b．Theincreasingdifficultyofgettingadriver'slicense．c．Economicfactors，suchasthepriceofinsurance．d．Herdislikeofbeinggiventasksbyherparentsifshehasacar．e．Herconcernthathavingtodriveinterfereswithtexting．A．a，b,cB．a，c,dC．b，c，eD．b,d，e3．Accordingtothetext，withthepopularityoftextingandsocialmedia，USteenagersA．findthereisnoneedtolearntodriveanymoreB．arebecominglessconnectedwitheachotherthantheyusedtobeC．becomeuninterestedindrivingbecausetheythinktextinginterfereswiththeirdrivingD．prefertochatwiththeirfriendsonlineorviatextingratherthandrivetomeetthem4．BymentioningSaraMatthewsinthelastparagraph，theauthorintendsto ．A．showthatsheisanindependentandhelpfulgirlB．adviseparentstoallowtheirkidstolearntodriveC．showthattherearebenefitsforteenswholearntodriveD．provedrivingisanimportantskillthatteensmustlearn.D Teenagerswhositdowntofamilymealsarelesslikelytobedepressedortakeriskswithdrugsandalcohol,newresearchshows．AnewstudylookingattheroleoffamilymealsinthehealthandwellbeingofyoungpeopleisthefirststudyontheissueinNewZealand．Itusesdatacollectednationallyfrommorethan9,000secondaryschoolpupils．Itfindsthatthosewhoeatwiththeirfamiliesfrequentlyarelesslikelytoreportsuicidal（自殺的）thoughts,lesslikelytobesmokersandlesslikelytoindulgeindrinking，drugsandsoon．Itsayssocialchangessuchasmoretelevisionchannels，moremothersworkingandcheapfastfoodhavechangedthestatusofthefamilymeal．However,thegoodnewsforNewZealandisthatone—thirdofyoungpeoplereportedsharingmealswiththeirfamiliessevenormoretimesaweekandanadditional40percentsharedmealsthreetosixtimesaweek．AuthorJenniferUtter,aseniorlectureratAucklandUniversity,saidsittingdownfordinnercreatedanopportunityforparentstocheckinwithchildrenandseehowtheirdayhadbeen．Youngpeoplewhoatewiththeirparentsreportedbetterconnectednessandbettercommunication．Familymealsindicatestrong,healthyrelationships．Thehighproportionoffamilieseatingtogetherwasencouraging,shesaid．“Alotoffamiliesdoseemtowanttospendtimetogether．It’sareallypositivefinding．”Previouslyahouseholdwouldhaveonlyonebreadwinnerandtherewouldalwaysbesomeoneathomeforchildrentotalkto．Nowadays，itoftentooktheincomeoftwopeopletokeepthefamilyafloat（能維持下去）anditwouldbeharderforparentstohavedinnerwiththeirchildren．ChieffamiliescommissionerCarlDavidsonsaidteenswhoatemealswiththeirfamiliesreportedbetterhealth,andwerelesslikelytobedepressed．“Weprobablyallknowthateatingtogetherisworthwhile,butthisresearchshowsthatthosesharedmealsaren'tjustnicetohavebutareactuallyafundamentalcontributortofamilywellbeing．”1．Whyisitmoredifficultforparentstohavedinnerwiththeirchildren?A．Becausechildrenarebusywiththeirstudy．B．Becauseeatingasfamilycanmakethemputonweight．C．Becausethemealscookedathomearenotasdeliciousasfastfood．D．Becauseparentshavetoearnmoneytosupportthewholefamily．2．Whatdotheunderlinedwords“indulgein”inParagraph2probablymean？A．betiredofB．befitforC．beaddictedtoD．becontentwith3．Whichofthefollowingwouldbethebesttitleforthepassage?A．Eatingasfamilyaidsteens'health．B．Eatingasfamilyhelpsteensloseweight．C．Eatingasfamilysavesmuchenergy．D．Eatingasfamilybenefitsparents．.C EveryoneknowstherearemanyEnglishexpressionsaboutclothes．Thereisnoneedtokeepitasecret,orkeepitunderyourhat．Infact，ifIkeeptalking，soonenoughyouwillstarttothinkIamanoldhataboutthis—arealexpert．Donotbefooled,though．Myfriendssometimescallmeawolfinsheep'sclothing．Thisissomeonewhoactslikeagoodperson，butisreallyabadperson．Itisalwaysfuntogetdressedup．Ilookgreatinmybestclothes．WhenIputthemon,Ifeeldeckedout．Infact,myhusbandsaysIlookdressedtokill．Ofcourse,Iwouldneverkillanyone．But，thereissomethingspecialaboutputtingonclothesthatarepleasingtotheeye．Mybestclothesarenotmodernorfashionable．ButIreallydonotcare．Theycertainlylookbetteronmethanmybirthdaysuit．Didyouknowthateveryonehasabirthdaysuit？Youwearitwhenyouarewearingnoclothesatall．Iamverycarefulwithmyclothes．Ihandlethemwithkidgloves．Itrynottogetthemdirtyortorn．Mostofmyclothesfitlikeaglove．Theyfitperfectly．SomeoftheclothesIlikebestarehand—me-downs．Myoldersistergavethemtomewhenshenolongerwantedthem．Hand—me—downsaregreatbecauseclothesoftencosttoomuchmoney.IliveonaShoeString.Ihaveaverysmallbudgetandlittlemoneytospendonclothes.IdreamthatsomedayIwillbeabletolivelikearichperson．Iwillknowwhatitisliketowalkinanotherperson’sshoes.Someofmyfriendsgotrichbyridingsomeoneelse’scoattails.Theyaresuccessfultodayasaresultofsomeoneelsebeingsuccessful.But,Ibelieveyoushouldnevercriticizeothersforsomethingyouwoulddoyourself.Whatissaidaboutsomeoneelsecanalsobesaidaboutyou.Remember,iftheshoefits,wearit.1.What’sthemainideaaboutthepassage?A.Aclothesexpert.B.Englishexpressionsaboutclothes.C.Howtodressperfectly.D.Mybestclothes..Accordingtothepassagewhichofthefollowingphraseshasthesimilarmeaningwithkeepitasecret?A.Walkinanotherperson’sshoes.B.Wearabirthdaysuit.C.Wolfinsheep’sclothing.D.Keepitunderyourhat..What'stherealmeaningof“Ilookdressedtokill”？A．WhenIwearmybestclothesIfeelveryexcited．B．WhenIwearmybestclothesmyhusbandalwayscriticizeme．C．WhenIwearmybestclothessomeoneenjoysthem．D．WhenIwearmybestclothesIliketokillsomeone．4．What’sthemeaningoftheunderlinedwordinthefifthparagraph？A．Well-off．B．Badly-off．C．Cruel．D．Honest7。CLastyearcollegestudentsinAmericaspentanestimated$7000ntextbooksonaverage．TheNationalAssociationofCollegeStoresreportedmorethanfivebilliondollarsinsalesoftextbooksandcoursematerials．AssociationspokesmanCharlesSchmidtsayselectronictextbooksnowrepresent2-3%ofsales．Buthesaysthatisexpectedtoreach10-15%by2016．Onlineversionsarenowavailableformanyofthemostpopularcollegetextbooks．E-textbookscancosthalfthepriceofanewprinttextbook．Butstudentsusuallyloseaccessaftertheendoftheterm．Andthebookscannotbeplacedonmorethanonedevice，sotheyarenoteasytoshare．Sowhatdostudentsthinkofe—textbooks？AdministratorsatNorthwestMissouriStateUniversitywantedtofindout．Earlierthisyeartheytestedthemwith500studentsin20classes．Theuniversityisunusual．Itnotonlyprovideslaptopcomputerstoall7,0000fitsfun—timestudents．Itdoesnotrequirestudentstobuytheirtextbookseither．Theyrentthemtosavemoney．Theschoolaimstosaveevenmorebymovingtoe—textbooks．ThestudentsinthesurveyreportedthatdownloadingthebooksfromtheInternetwaseasy．Theylikedtheideaofcarryinglighterbackpacks．And56%saidtheywerebetterabletofindinformation．Butmostfoundthatusinge—textbooksdidnotchangetheirstudyhabits．And60%felttheyreadmorewhentheywerereadingonpaper．Inall，almosthalfthestudentssaidtheystilllikedphysicaltextbooksbetter．Butthesurveyfoundthatcostcouldbeabiginfluence．55%saidtheywouldchoosee-textbooksifusingthemmeanttheirtextbookrentalfeewouldnotincrease．RogerVonHolzenheadstheCenterforInformationTechnologyinEducationatNorthwestMissouriState．Hetellsusthatadministratorsaredisappointedwiththee-textbooksnowavailablebecausethemajorityarenotinteractive（交互式的）.HethinksgrowthwillComewhenmoredigitalbooksincludevideo,activities,gamesandotherwaystointeractwiththeinformation．Thetechnologyisimproving.Butfornow，mostofthebooksarejustwordsonascreen.1.StudentsatNorthwestMissouriStateUniversitysavemoneyby .A.rentingtextbooksfromtheschoolB.downloadingallthebooksfromtheInternetC.buyingsecond—handcomputersD.sharingthebookswitheachother.Thee—textbooksnowavailablearefarfromsatisfactorybecauseA.readerscannotinteractwithauthorsB.mostofthemarejustwordsonascreenC.theycan'tbedownloadedfromtheInternetD.theylacknecessaryrelevantinformation.ThepassagesuggeststhatinthefutureA.digitalbookswillbeavailableatlowpricesB.freedigitalbooksareavailableonlineC.digitalbooksneedimprovementD.digitalbookswillreplaceprintbooks.Whatwouldbethebesttitleforthepassage？A.E—textbooks:students'newfavoritesB.ThemostpopularcollegetextbooksnowadaysC.E-textbooksvs.printtextbooksD.Goingdigital:thefutureofcollegetextbooks?8。DThereareyearsthataskquestionsandyearsthatanswer.WhenIwasyounger,IthoughtthatI’dsoonreachastageinlifewhenIhadalltheanswers.Asachild，IbelievedthatbythetimeIenteredmylateteensIwouldbeself—assuredandconfidentandthatI’dfigureoutwhatIwantedtodowithmylife.I’m18now,andeventhoughI'mfarfrombeingwhereIwanttobe，I’verealizedoneextremelyimportanttruth：I’mnevergoingtohavealltheanswers．ThisissomethingthatI’vestartedtorealizeonlyrecently．Thispastyearhasbeenespeciallyconfusingforme,andhasbroughtwithitalotofquestionsanddoubts．Lastyear,ImovedfromPakistantoAmerica，justoneyearshortofgraduatingfromhighschool．Themovewasquitesuddenandunplanned,andasaresult，myuniversityplanninggotdisturbed．Atthispoint，Istilldon’tknowifI’llbegoingtouniversityorcommunitycollegeinthefall．Idon’tknowifI’llcontinuetoliveinSanMarcosthisyear．Everythingseemsuncertainandundecided．Notonlyaremyoutercircumstancesfuzzy，butI’vealsobeenquestioningmyinner-beliefsandvaluesalot．Idon’tknowwhatIstandforandwhatIwanttodowithmylife．UsuallyI’maveryspiritualperson，butatthispoint，Ican’tseemtosortoutmyemotionsormakesenseofanythingthatishappeningaroundme．Duringtheperiodofallthisconfusion，IcameacrossasayingbyZoraNealeHurston，“Thereareyearsthataskquestionsandyearsthatanswer．”Thisstatementhadaninstanteffectonme―itmadesomuchsense!Ifeltrenewedhopeafterreadingit,andIstartedtoseemypresentcircumstancesasanopportunitytomakeachangeandreflect．Lifeismarkedbyperiodsofcertaintyandperiodsofconfusion，andintimesofhopelessness，ithelpstorememberthattheanswersweseekarenearerthanwethink．Iguessthispast yearforme，ayearofre-evaluatingandreflection．WhenIlookbackatmylife，Icanobservethispattern．Periodsofconfusionanduncertaintyarefollowedbyyearsthatbringwiththemreneweddirectionandpurpose．Attheageof14，IwentthroughastageofreligiousconfusionwhereIquestionedeverythingandbelievednothing．Shortlyafterthisstage，Ifoundinnerpeace．Thispeacewasdisturbedbydoubtsanddisbeliefthefollowingyear，butafteraperiodofre-evaluationandfiercequestioning,Isoonfoundmyfaithagain．Isupposethatthispatternwillremainthroughoutmylife；therewillbetimeswhenIdoubtandquestionmypurposeinlife,andtimeswhenI’mconfidentandcertain．WhenIlookaroundme，Iseesomanypeoplewhoarealotolderthanmeandarestilltryingtofigureouttheirlives．Therearepeoplewhoquitstablejobstolookforwhattheylovewellintotheir50sand60s,andtherearepeoplewhomovehalfwayacrosstheworldtoexplorenewpossibilities．Theyinspiredpeoplearoundbytheirrichexperiencesinlife,theirperseveranceinrealizingtheirgoalsandtheiroptimismtowardslife．Theytaughtusbyexamplethatitwasnevertoooldtoliveyourdream．Atanygivenpointtherearepeoplechoosingnewmajors，newreligions，andnewlifepaths．Changeisunavoidable．WhenIlookaroundatallthepresentuncertaintyinmylife，Iknowthatit'spartoftheprocessofchange．Lifeisfullofconfusingatdisorderingparticulartime,aparticularlocation．Dothearrangedthingstenmilliontimesinthebrain,stepbystep．Lifeishardtoavoidunexpectedhappeningofsurprisingandpleasingthings．So，Ionlylearntosilentlyaskmyselfinmindwhattodonext，makerightdecisionsandtakeactionrightaway．Atthispoint,I'mtryingtofindmywaythroughthisconfusion,tryingtofindsomemeaningandclarity．ItrustthatI’llfindmyanswerssoon．1．Whenthewriterwasatanearlyage,hebelievedthat ．A．hisuniversityplanhadtobegivenupB．hislifewasinastateofconfusionC．hewouldmovetotheUSaftergraduationD．hewouldbeconfidentinthefuture2．Whichofthefollowingisclosestinmeaningto“fuzzy”inParagraph3？A．Unpleasant．B．Dangerous．C．Unclear．D．Tough．3．InParagraph4,thewriterthoughtthat ．A．itwasdifficulttoseekanswersB．confusionwouldclearuponedayC．lifewasfullofhopelessnessandconfusionD．thereweremanyquestionsforhimtoanswer4．Whichofthefollowingbestdescribesthetoneofthewriterattheendofthestory?A．Doubtful．B．Casual．C．Positive．D．Fearful．5．Whatcanwelearnfromthepassage?A．Religiousfaithgivesusinnerpeace．B．Confusioninourlifehelpsustogrowup．C．Confidencemakesmuchdifferencetoaman．D．Optimismisthefaiththatleadstoachievement．6．Whatwouldbethebesttitleforthispassage?A．BittersweetCulturalConflicts．B．AYoungPakistaniintheUS．C．TheGreatUniversityPlanning．D．MyStagesofFaithConfusion．9.Cbusinesseswilldoanythingtomakeaprofit．Unluckily，thisistoooftenthecase．Manybusinesspeople,infact,believethattheycannotmakeaprofitandbekindtotheenvironmentatthesametime．However,itdoesnotnecessarilyhavetobethisway．Usingcommonbusinessstrategies,companieshavefoundwaystobecomeenvironmentallyfriendly，or“green”,andincreasetheirprofitsatthesametime．Onesuchstrategythatbusinessesuseisknownas“productdifferentiation．”Thistermmeansthatacompanyadvertisesthefactthatitsproductisdifferentfromothersimilarproducts．Anumberofenvironmentallyfriendlycompanieshavedonethissuccessfully．Forexample,inmarketingtheirproducts,organicfoodcompaniesemphasizetheorganicaspect．Thatis，theyhighlightthefactthatnochemicalshavebeenusedtogrowthefood,andsoitisbetterforconsumers'healthandfortheenvironment．Thesedays,manyconsumersarelookingforproductsthathavenonegativehealthorenvironmentaleffects．．Manycompanieshaveregardedwasteandpollutionasanecessarypartoftheproductionprocess．Theyhavedonelittletopreventeitherwasteorpollution,unlesstherearelawsthatforcethemto．However,othercompanieshaverealizedthattherearesurelysomeadvantagestoreducingwasteandpollution．Lesswasteandlesspollutionmeansamoreefficientproductionprocess．The3MCompanyintheUnitedStatesisagoodexampleofthis．In1975,itstartedaprogramthatrewardedemployeesforsuccessfulideasabouthowtoreducewasteandpreventpollution．Thisprogramhashelpedthecompanypollutemuchlessandsavemorethanhalfabilliondollars．Somecompanieshavetakentheideaofwastepreventionevenfurtherandhavebecome“zero— ．Thatmeanstheyproducenowasteatallbecauseeverythingfromtheproductionprocessisusedorrecycled．AsahiBreweriesofJapan,forexample，sendsthewastefromitsbeerproductiontofarmstobeusedasanimalfeed．Theplasticandcardboardpiecesleftoverfrompackagingareallrecycled，too．Finally，companiescanbecome“greener”byplanningfora“greener”future．Forexample，twoenergycompanies，RoyalDutch/ShellandBritishPetroleum，havestartedtoinvestinrenewableenergysources,suchassolar，wind,orhydrogenenergy．ShellisalsoworkingwithDaimler—Chrysler，anautomobilecompany,andthegovernmentofIcelandonaspecialprojecttomakeIcelandthefirstcountrywithahydrogen—basedeconomy．Othermultinationalcompanieshavealsorealizedthatglobalwarmingandclimatechangecouldhurttheirbusiness,andtheyhavedecidedtocutdowntheamountofharmfulgasesthattheirfactoriesproduce．Ofthese,Dupontisoneoftheleaders．Itaimsby2020toreduceharmfulgasesby65percentfromthe2010amounts．Italsoplanstolimititsenergyuseto2010levelsandtouserenewablesourcesofenergyfor10percentofalltheenergyituses．1．Howcanbusinessmenmakeprofitswithoutdoingmuchharmtotheenvironment?A．Bycarryingoutsomestrategies．B．Bymarketingtheirproducts．C．Bycompetingwithothercompanies．D．Byadvertisingthestrengthsofproducts．2．WhichofthefollowingstatementsisTRUEaccordingtoParagraph3？A．Manycompaniescarelittleaboutreducingwastedespitethelaws．B．Allcompaniesactivelyparticipateinthewastereductioncampaign．C．Somecompanieshaverealizedthattheycanbenefitfromlesspollution．D．Employeesinthe3MCompanyarerewarde