北大15年秋英语3作业5答案Word下载.docx

北大15年秋英语3作业5答案Word下载.docx

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3.

Afterheworkedoutthesolution,appearedasmileonhisface.

A.A.it

B.B.here

C.C.what

D.D.there

4.

theformerpresident’ssupporterswentoutinstreetstoexpresstheirangeranddissatisfaction.

A.A.Asmallamountof

B.B.Alargenumberof

C.C.Alittlebitof

D.D.Agreatdealof

5.

Tobehonest,today’sdinnerwasjustso-so.Itwasn’tsuchagoodone_____promisedbytheboss.

A.A.that

B.B.which

C.C.as

D.D.what

6.Somanypeople______themeetinghadtobeputoff.

A.A.beingabsent

B.B.tobeabsent

C.C.wereabsent

D.D.hadbeenabsent

7.

Weoftenadvisehimnottodrinkmoreisgoodforhishealth.

A.A.as

B.B.that

C.C.than

D.D.but

8.

—DidCharlesvoteinthelastelection?

—No,hewasn’t.

A.A.enougholdthen

B.B.thenenoughold

C.C.oldthenenough

D.D.oldenoughthen

9.

Bynomeanslookdownonthosewhoarelessluckyinlifethanweare.

A.A.weshould

B.B.shouldwe

C.C.weshouldnot

D.D.shouldwenot

10.

Hedidn’tfeellikethatdaysohestayedindoorsreading.

A.A.working

B.B.works

C.C.towork

D.D.worked

11.

Nosoonerhadwestartedontheroaditbegantorain.

A.A.when

B.B.than

C.C.then

D.D.whenever

12.

Hedecidedtogoforasailingholidaythefactthathewasusuallyseasick（晕船）.

A.A.becauseof

B.B.inspiteof

C.C.incaseof

D.D.asaresultof

13.

Whatyoudoinyoursparetimeisyourown__.Howeveritshouldnotbeharmfultoothers.

A.A.business

B.B.purchase

C.C.bargain

D.D.sale

14.

Asagardener,Jimhastowatertheflowersandthegrassinthegardeneverymorning.

A.A.trim

B.B.improve

C.C.refine

D.D.repair

15.

Thefiremenarestillthesmallfiresstartedbytheplanecrash.

A.A.takingoff

B.B.settingaside

C.C.gettingalongwith

D.D.puttingout

16.

改错

请在以下句子划线部分中，挑出错误的选项。

Thesungivesofflightandwarmth,thatmakesitpossibleforplantstogrow.

A.A.givesoff

C.C.it

D.D.for

17.

Sandpaintinghasalsocalleddryorearthpaintingandispracticedby

severalAmericanIndianartists.

A.A.hasalsocalled

B.B.and

C.C.ispracticed

D.D.severalAmericanIndianartists

18.

Humans,likemanyotheranimals,arewarm-bloodedwithafairlyconstantlybodytemperature.

A.A.Humans

B.B.like

C.C.with

D.D.fairlyconstantly

19.

Nowthatthestressofexaminationsandinterviewsareover,wecanallrelaxforawhile.

A.A.Nowthat

B.B.are

C.C.all

D.D.relax

20.

Thetallestofthetwinswenttosearchforthemissingjewels,thepictureofwhichyousawintoday’snewspaper.

A.A.tallest

B.B.searchfor

C.C.thepictureof

D.D.which

--------------------------------------------------------------------------------

21.

请阅读以下文章，回答文章后的五个小题。

每个小题只有一个最佳选项。

Thetopoftheworldisawonderland.Inwinter,thetemperatureoftenfallsto-30°

Fandthesunneverrises.Theoceanissurroundedbyfrozenground.Therearefewpeopleortrees,buttopolarbears,theArctic（北极）ishome.

Polarbearshavethickfur,bigpawsandotherfeaturesthatmakethemwellpreparedforlifeintheirtoughenvironment.Infact,theyneedtheArcticseaiceforsurvival.Butclimatechangeiscausinglargerandlargerareasofsummerseaicetomelt（融化）.Expertssaythatifwarmingpatternscontinue,theArcticcouldbefreeofsummerseaiceby2050.Thatmaycausetwo-thirdsoftheworld’s20,000polarbearstobegonebythentoo.

Polarbearscan’tsurviveforlongonland.Sealsaretheirmainsourceoffood.Theonlyplacewherepolarbearscanhuntsealsisontheice.（79）Althoughthesebearsarestrongswimmers,theyarenomatchforlightningswiftsealsinthewater.Apolarbearhasbrilliantlycleverstrategiestoovercomethisdisadvantage.Inwinterthebearwaitsmotionlessbesideaseal’sbreathinghole,whichisanarrowtunnelthroughtheice.Oftenmanyhourspassbeforethesealcomesupforairandthebearkillsitwithapowerfulblowofitspaw.Insummer,thepolarbearsthatliveonlandeatverylittleandwaitfortheseaicetoreturn.

Withtheseaiceforminglaterintheyearandmeltingearlier,polarbearsdonothaveenoughopportunitytohuntandeat.Lessseaicemakesitharderforthebearstocatchtheseals.Thebearsmustswimlongerdistancesbetweenicepacks（大片浮冰）,andtheycan’talwaysmakeit.Theiceisalsogettingthinner.Theseconditionscancausepolar-bearcabstobecomeseparatedfromtheirmothers,whoprovidethemwithfood.

StevenAmstrupisthechiefscientistofPolarBearsInternational.Thegroupaimstosavethebearsandtheirhome."

Themorepeoplewhoseepolarbearsandunderstandtheirdifficultsituation,thebetterthechancewe’llalterourwarmingpathintimetosavethem,"

hesays.

Whichisthebesttitleforthepassage?

单选题

A.A.ClimateChangeintheArctic

B.B.HowtoProtecttheEnvironment

C.C.TheArcticTsHometoPolarBears

D.D.PolarBearsinDanger

Wheredopolarbearsusuallyhuntseals?

A.A.Onland.

B.B.Inopenwater.

C.C.Inopeningsintheseaice.

D.D.Atthebottomofthesea.

Theword"

cubs"

inthefourthparagraphisclosestinmeaningto_____

A.A.adults

B.B.babies

C.C.hunters

D.D.enemies

Accordingtothepassage,whichofthefollowingstatementsisTRUE?

A.A.Starvingpolarbearsareincreasinglycomingintovillages,wheretheymaybekilledeitherforfoodorsafety.

B.B.Polarbearscanspendtheirentirelivesonlandiftheseaicemeltscompletely.

C.C.Two-thirdsoftheworld'

spolarbearsmaydisappearby2050asglobalwarmingcontinues.

D.D.Thegrowingdistancebetweenicepacksisnotaproblemforpolarbears,becausetheyareexcellentswimmers.

What’sthemissionofPolarBearsInternational?

A.A.Savingenergy.

B.B.Conductingscientificresearch.

C.C.Seekinginternationalcooperation.

D.D.Savingpolarbearsandtheirhome.

22.

Whenwe’relearningaforeignlanguage,makingsenseofwhatwehearisthefirststeptowardfluency.Itsoundsobvious,butuntilrecently,wedidn’tknowmuchabouthowlisteningworks.Newresearchdemonstratesthateffectivelisteninginvolvesmorethansimplyhearingthewordsthatfloatpastourears.Rather,it’sanactiveprocessofreceivinginformationandmakingmeaning.Thiskindofengagedlisteningisaskillthat’sascriticalforlearningarangeofsubjectsatschoolandworkasitisforlearningtounderstandaforeigntongue.

Studiesofskilledlanguagelearnershaveidentifiedspecificlisteningstrategiesthatleadtosuperiorcomprehension.Lastyear,forexample,UniversityofOttawaresearcherLarryVandergriftpublishedhisstudyof106undergraduateswhowerelearningFrenchasasecondlanguage.Halfofthestudentsweretaughtinaconventionalfashion,listeningtoandpracticingtextsspokenaloud.Theotherhalf,possessingthesameinitial（最初的）skilllevelandtaughtbythesameteacher,weregivendetailedinstructiononhowtolisten.Itminedoutthatthesecondgroup“significantlyoutperformed”（胜过）thefirstoneonatestofcomprehension.

Sowhataretheselisteningstrategies?

Skilledlearnersgointoalisteningclasswithasenseofwhattheywanttogetoutofit.Theysetagoalfortheirlisteningandtheygeneratepredictionsaboutwhatthespeakerwillsay.Beforethetalkingbegins,theymentallyreviewwhattheyalreadyknowaboutthesubject,andformanintentionto“listenoutfor”what’simportantorrelevant.Oncetheybeginlistening,theselearnersmaintaintheirfocus;

iftheirattentionwanders,theybringitbacktothewordsbeingspoken.Theydon’tallowthemselvestobethrownoffbyconfusingorunfamiliardetails.Instead,theytakenoteofwhattheydon’tunderstandandmakeinferencesaboutwhatthosethingsmightmean,basedonothercluesavailabletothem:

theirpreviousknowledgeofthesubject,thecontext（语境）ofthetalk,,theidentityofthespeaker,andsoon.

Whatisthemainideaofthispassage?

A.A.Effectivelisteningmeanshearingthewordsthatfloatpastourears.

B.B.Developingyourlisteningskillsisthefirststeptowarddevelopingfluency.

C.C.Skilledlistenersusespecificstrategiestogetthemostoutofwhattheyhear.

D.D.Listeningisoneofthemostpowerfultoolswehavetogaininformation.

WhatdoesVandergrift’sresearchshow?

A.A.Learnerswhoadoptspecif