新标准大学英语综合教程2单元测试第7单元答案

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1、Unit7Donewiththistask.    Yourscore:89%窗体顶端PartI:VocabularyandStructureSectionA:Choosethebestwaytocompletethesentences.1.Dogssharemanyofthesame_______ashumansandcaneasilyshowemotion.A.attributesB.distributesC.tributesD.reattributes2.Comparedtomypetfrog,thathorsese

2、emedlikea_______animal.A.miniatureB.typicalC.giantD.short3.Itmightbehardtobelievebutsomeantsare_______ofcarryingmorethantentimestheirbodyweight!A.capableB.capabilityC.ableD.ability4.Overmillionsofyears,animalsonEarth_______andadaptedtomanydifferentenvironments.A.g

3、rewB.involvedC.developedD.evolved5.Polarbearsareabletostaywarminsuchcoldplacesbecausetheyhaveathick_______offatbeneaththeirfur.A.layerB.coatC.sheetD.stack6.Manyanimals,likechipmunks,liveundergroundinvastnetworksof_______thattheydig.A.holesB.tunnelsC.openingsD.cave

4、s7.Elephantsareoftencalled_______animalsbecauseoftheirsize,beauty,andelegance.A.enormousB.magnificentC.interestingD.compelling8.ScientistshavebeenstudyingDNAforyearsbutthey'veonly_______afractionoftheinformationitcontains.A.coveredB.recoveredC.discoveredD.uncovere

5、d9.CharlesDarwinsuggestedthathumansandapes,suchaschimpanzees,sharedasimilar_______fromacommonancestor.A.descentB.ascentC.descendentD.descendant10.Thereisafamousstoryaboutalionthathadathornstuckinits_______.A.handB.pawC.hoofD.flipper11.Whenhewantstogooutside,mydogw

6、ill_______barkatthefrontdooruntilsomeoneopensit.A.unreliablyB.previouslyC.distractedlyD.repeatedly12.Penguinsmaylookalittlesillywalkingonland,butthey_______throughwaterbeautifully.A.leapB.glideC.squirmD.drape13.Whenatigershowsitsteeth,that'san_______thatitisaboutt

7、oattack.A.indicateB.indicativeC.indicationD.indicating14.Manyfishswimwithagentleside-to-side_______ofthefinsandtail.A.motionB.motiveC.motorD.motel15.Icouldseeasubtle_______ofsadnessonthefaceofmycatwhenIleftforworkthismorning.A.clueB.motionC.hintD.gust16.Parrotshav

8、etheabilityto_______thesoundstheyheararoundthem.A.produceB.reproduceC.pronounceD.mispronounce17.Somespeciesofbirdscanflyformilessimplybyglidingona______