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

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