河北省武邑中学届高考英语一轮复习 第9期55分钟课堂练习.docx
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河北省武邑中学届高考英语一轮复习 第9期55分钟课堂练习.docx
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河北省武邑中学届高考英语一轮复习第9期55分钟课堂练习
河北省武邑中学2015届高考英语一轮复习第9期55分钟课堂练习
第一部分阅读理解
A
Theterm“multitasking”originallyreferredtoacomputer’sabilitytocarryoutseveraltasksatonetime.Formanypeople,multitaskinghasbecomeawayoflifeandevenakeytosuccess.Infact,someexcellentmentalaerobicexercises(人脑训练)involveengagingthebrainintwoormorechallengingactivitiesatatime.Althoughcheckinge-mailwhiletalkingonaphoneandreadingthenewspapermaybesecondnatureforsomepeople,manytimesmultitaskingcanmakeuslessproductive,ratherthanmore.Andstudiesshowthattoomuchmultitaskingcanleadtoincreasedstress,anxietyandmemoryloss.
Inordertomultitask,thebrainusesanareaknownastheprefrontalcortex(前额叶脑皮层).Brianscansofvolunteersperformingmultipletaskstogethershowthatastheyshiftfromtasktotask,thisfrontpartofthebrainactuallytakesamomentofrestbetweentasks.Youmayhaveexperiencedaprefrontalcortex“momentofrest”yourselfifyou’veeverdialed(拨电话)atelephonenumberandsuddenlyforgottenwhoyoudialedwhenthelineisanswered.Whatprobablyoccurredisthatbetweenthedialingandtheanswering,yourmindshiftedtoantherthoughtortask,andthenlookthat“moment”tocomeback.Researchhasalsoshownthatformanyvolunteers.Jobefficiency(效率)declineswhilemultitaskingascomparedtowhentheyperformonlyonetaskatatime.
Multitaskingiseasiestwhenatleastoneofthetasksinhabitual,orrequireslittlethought.Mostpeopledon’tfinditdifficulttoeatandreadthenewspaperatthesametime.However,whentwoormoreattention–requiringtasksareattemptedatonetime,peoplesometimesmakemistakes.
Weoftendon’trememberthingsaswellwhenwe’retryingtomanageseveraldetailsatthesametime.Withoutmentalfocus,wemaynotpayenoughattentiontonewinformationcomingin,soitnevermakesitintoourmemorystores.Thatisoneofthemainreasonsweforgetpeople’snames---evensometimesrightaftertheyhaveintroducedthemselves.Multitaskingcanalsoaffectourrelationships.Ifsomeonecheckstheire-mailwhileonthephonewithafriend,theymaycomeoffasabsent-mindedordisinterested.Itcanalsocausethatpersontomissoroverlookkeyinformationbeingpassedontothem.
1.Whyaresomementalaerobicexercisesdesignedtoengagepeopleinmultitasking?
A.Tomakethemmoreproductive.B.Toreducetheirstressandanxiety.
C.Todeveloptheircommunicationskills.D.Tohelpthemperformdailytasksmoreeasily.
2.AccordingtoParagraph2,whymayapersonsuddenlyforgetwhohascalled?
A.Hemayleavehisprefrontalcortextemporarilydamaged.
B.Heisprobablyinterruptedbyanothertask.
C.Heisprobablynotveryfamiliarwiththepersonhehascalled.
D.Hemayneedarestbetweendialingandspeaking.
3.Peopletendtomakemistakeswhen____.
A.theyperformseveralchallengingtasksatatime.
B.newmessagesareprocessedoneafteranother
C.theirrelationshipswithothersareaffected
D.thetasksrequirelittlethought
4.Whatisthemainideaofthepassage?
A.Multitaskinghasbecomeawayoflife.
B.Multitaskingoftenleadstoefficiencydecline.
C.Multitaskingexercisesneedtobeimproved.
D.Multitaskingenablespeopletorememberthingsbetter.
B
Arainforestisanareacoveredbytalltreeswiththetotalhighrainfallspreadingquiteequallythroughtheyearandthetemperaturerarelydippingbelowl6℃.Rainforestshaveagreateffectontheworldenvironmentbecausetheycantakeinheatfromthesunandadjusttheclimate.Withouttheforestcover,theseareaswouldreflectmoreheatintotheatmosphere,warmingtherestoftheworld.Losingtherainforestsmayalsoinfluencewindandrainfallpatterns,potentiallycausingcertainnaturaldisastersallovertheworld.
Inthepasthundredyears,humanshavebegundestroyingrainforestsinsearchofthreemajorresources(资源):
landforcrops,woodforpaperandotherproducts,landforraisingfarmanimals.Thisactionaffectstheenvironmentasawhole.Forexample,alotofcarbondioxide(二氧化碳)intheaircomesfromburningtherainforests.Peopleobviouslyhaveaneedfortheresourceswegainfromcuttingtreesbutwewillsuffermuchmorethanwewillbenefit.
Therearetwomainreasonsforthis.Firstly,whenpeoplecutdowntrees,generallytheycanonlyusethelandforayearortwo.Secondly,cuttinglargesectionsofrainforestsmayprovideagoodsupplyofwoodrightnow,butinthelongrunitactuallyreducestheworld’swoodsupply.
Rainforestsareoftencalledtheworld’sdrugstore.Morethan25%ofthemedicinesweusetodaycomefromplantsinrainforests.However,fewerthanl%ofrainforestplantshavebeenexaminedfortheirmedicalvalue.Itisextremelylikelythatourbestchancetocurediseasesliessomewhereintheworld’sshrinkingrainforests.
5.Rainforestscanhelptoadjusttheclimatebecausethey.
A.reflectmoreheatintotheatmosphere
B.bringabouthighrainfallthroughouttheworld
C.rarelycausethetemperaturetodroplowerthanl6℃
D.reducetheeffectofheatfromthesunontheearth
6.Whatdoestheword“this”underlinedinthethirdparagraphreferto?
A.Wewilllosemuchmorethanwecangain.
B.Humanshavebegundestroyingrainforests.
C.Peoplehaveastrongdesireforresources.
D.Muchcarbondioxidecomesfromburningrainforests.
7.Itcanbeinferredfromthetextthat.
A.wecangetenoughresourceswithoutrainforests
B.thereisgreatmedicinepotentialinrainforests
C.wewillgrowfewerkindsofcropsinthegainedland
D.thelevelofannualrainfallaffectswindpatterns
8.Whatmightbethebesttitleforthetext?
A.HowtoSaveRainforestsB.HowtoProtectNature
C.RainforestsandtheEnvironmentD.RainforestsandMedicalDevelopment
C
Ineededtobuyadigitalcamera,onethatwassimplygoodattakinggoodsnaps(快照),maybeoccasionallyformagazines.Beingthecautioustype,Ifanciedareliablebrand.SoIwentonthenet,spent15minutesreadingproductreviewsongoodwebsites,wrotedownthenamesofthreetoprecommendationsandheadedformynearestbigfriendlycamerastore.Thereinthecupboardwasoneofthecamerasonmylist.Anditwasonspecialoffer.Ohjoy,Ipointedatitandaskedanassistant,“CanIhaveoneofthose?
”Helookedperturbed(不安).“Doyouwanttotryitfirst?
”hesaid,Itdidn’tquitesoundlikeaquestion.“DoIneedto?
”Ireplied,“Thereisnothingwrongwithit?
”ThismadehimlookabitinsultedandIstartedtofeelbad,“No,no,butyoushouldtryit,”hesaidencouraging,“compareitwiththeothers.”
Ilookedacrossattheothers:
shelvesofsimilarcamerasplacedalongthewall,offeringawiderangeofslightlydifferentpricesanddiscounts,witheachcompanysellingarangeofmodelsbasedaroundthesamebasicbox.Withsomanymodelstochoosefrom,itseemedthatIwouldhavetospendhoursweighingXagainstY,alwaystryingtotakeZandpossiblyHintoaccountatthesametime.ButwhenIhadfinished,IwouldstillhaveonlythesametwocertaintiesthatIhadenteredthestorewith:
first,soonafterIcarriedmynewcameraoutoftheshop,itwouldbeworthhalfwhatIpaidforit;andsecond,mywonderfulcamerawouldveryquicklybereplacedbyanewmodel.
Butsomethinginthehumansoulwhispersthatyoucanbeatthesetrapsbymakingtherightchoice,thecleverchoice,thewisechoice.Intheend,IagreedtotrythemodelIhadchosen.Theassistantseemedasincereman.SoIlethimtakeoutofmychosencamerafromcupboard,showhowittookexcellentpicturesofmyfellowshoppers…andwhenhestartedtointroducethespecialfeatures,IinterruptedtoaskwhetherIneededtobuyacarry-caseandamemorycardaswell.
Whydowethinkthatnewoptions(选择)stillofferusanythingnew?
Perhapsitisbecausetheyofferanopportunitytoavoidfacingthefactthatourrealchoicesinthisculturearefarmorelimitedthanwewouldliketoimagine.
9.Theshopassistantinsistedthatthewritershould
A.trythecameratoseeiftherewasanythingwrongwithit.
B.comparethecamerahehadchosenwithothers.
C.getmoreinformationaboutdifferentcompanies.
D.trusthimandstopaskingquestions.
10.Whatdoesthewritermeanby“itwouldbeworthhalfwhatIpaidforit”(paragraph2)
A.Heshouldgeta50%discount.
B.thepriceofthecamerawasunreasonablyhigh.
C.thequalityofthecamerawasnotgood.
D.thecamerawouldsoonfallinvalue.
11.Thewriterdecidedtotrythemodelhehadchosenbecause
A.knewverylittleaboutit.
B.didn’ttrusttheshopassistant.
C.wantedtomakesuretheonehechosewouldbethebest.
D.hadaspecialinterestintakingpicturesofhisfellowshoppers.
12.Itcanbeinferredfromthepassagethatinthewriter’sopinion,
A.peoplewastetoomuchmoneyoncameras
B.camerashavebecomeanimportantpartofourdailylife
C.wedon’tactuallyneedsomanychoiceswhenbuyingaproduct
D.famouscompaniescaremoreaboutprofitthanquality.
D
Humansarenaturallydrawntootherlifeformsandtheworldsoutsideofourown.Wetakedelightintheexistenceofcreaturesandevenwholesocietiesbeyondoureverydaylives.
Thissenseofwonderisuniversal.Lookattheeffortsthatscientists(幻想)literatureormovieslikethelordoftherings.Thissenseofwonderdrawsustoeachother,totheworldaroundus,andtotheworldofmake-believe.buthavewegonesofarincreatingworldsoffantasythatwearemissingthepleasureofotherworldsthatalreadyexistallaroundus?
Humanbeings,asbiologistshavesuggested,possessaninborndesiretoconnectwithandunderstandotherlifeforms,However,people,especiallyinbigcities,of
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