大学英语之基础英语综合教程第二册unit 8 key to exercises

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1、Unit8Keytoexercises:Vocabularyexercises:I.Explaintheunderlinedpartineachsentenceinyourownwords.1.except,apartfrom2.essentially,basically3.wheneveritispossible4.overalongperiod5.different,replacementII.Fillintheblankineachsentencewithawordtakenfromtheboxinitsappropria

2、teform.1.focus2.muchthesame3.consciousness4.threat5.deserved6.decomposed7.revealed8.frequentIII.Fillintheblankswiththeappropriateformsofthegivenwords.1.perusal2.intensified3.excessive4.speculative5.abundance6.inclusive7.emits8.locallyIV.Choosethewordorphrasethatcanre

3、placetheunderlinedpartineachsentencewithoutchangingitsoriginalmeaning.1.A2.D3.B4.C5.D6.A7.C8.AV.Giveasynonymoranantonymofthewordunderlinedineachsentenceinthesenseitisused.1.Synonym:mainly,basically,firstly2.Antonym:unfortunately,unluckily3.Antonym:exclude4.Synonym:pa

4、rt,division5.Antonym:decrease,lowering6.Antonym:unavailable7.Synonym:weak,insecure,unsafe8.Antonym:irresponsibleVI.Writeineachspaceonewordthathasthesamestemasunderlinedineachgivenword.1.centigradecentimeter2.kilogramkilometer3.synopsissynthetic4.supervisesuperior5.su

5、bmarinesubmerge6.astronautastronomy7.microbiologymicrowave8.overworkoverloadGrammarexercises:I.Completethefollowingsentencesusingtheappropriateverbforms.1.began;havehad2.Have;talked;havetalked;talked3.hasinvented4.havetelephoned;went5.havebeen6.hasgot/hasgotten7.hasb

6、een8.haveforgotten9.hasgone;didhego10.was;hasdisappearedII.Makesentencesusingthetimeadverbialsgiven.TheanswersareopenIII.Comparethefollowingpairsofsentencesandexplainthedifference.1.a.Theverbhereisinsimplepresentform.“Hasgot”signalsstativepossession.“Got”isoftenomitt

7、edinwrittenstyle.b.“Hasgotten”means“hasobtained”andconveysthesenseofanaccomplishment.2.ForsomespeakersofAmericanEnglish,thesetwosentencesaresynonymous.However,otherspeakersfeelthereisthefollowingdifference:a.Itreflectsthespeaker’spointofview.Thespeakerjustheardthenew

8、sandwantstoknowifthelistenerjustheardittoo.b.Thissentenceisspokenmorelikelywiththelistener’sperspectiveinmind.(i.e.thelistenerlooks