大学体验英语3第三版课后答案解析

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1、WORD格式可编辑Unit14.Filleachoftheblankswithanappropriateword.Ifoundatreefroginmystudiosomemonthsago.Itookittomygreenhouse ,asIthoughtitwouldbeabetterplaceforthefrog.Butitcamebackandinsistedtakingtheresidence inthestudio.Why?Icouldn’tgetanidea.Then,afterfivemonthsofbein

2、gtogether,weseemedtobeabletocommunicate witheachother.Itmaysoundwired ,butIdidfeelIcametounderstandwhatitwantedmetodo.Thefrogcametomeprobablyattractedbythehumming toneofmycomputer,whichsoundedlikethatofothertreefrogs,orwithamessage totellmethatfrogsweredyingaroundt

3、heworldbecauseoftheirsensitivity tothepollutionandglobalclimatechange.Asfrogsarean“indicator species”,whathashappenedtothemmayhappentous,ifwesitbackanddonothing.Wemustactnow,oritwouldbetoolate.六、audio声音的，听觉的boundary分界线cup(v.)使成杯状（捧起）decade十年directly直接的focus集中注意力ove

4、rtake追上，赶上species品种，物种subtle细致的，细微的tone音色，音质1.Theessayist’slanguageexpressesrichandsubtlemeanings.散文的语言表达丰富而细微的含义。2.ThestockbrokerswereovertakenbythesharpdropinthestockmarketlastTuesday.股票经纪人在上周二股票下降的时候投入的股票。3.Biologistshaveestimatedthattherearearoundonemillionanim

5、alandplantspecieslivingandgrowingintherainforests.生物学家估计，有大约一百万的动物和植物物种生活在热带雨林增长。4.IntheUnitedStatesthecostoflivinghasbeensteadilyrisinginthepastfewdecades.在过去的十年美国的生活消费稳定的上涨。5.Thequicklygrowingcompanyhasambitiousplanstoexpandbeyondnationalboundaries.快速成长的公司制定了雄心勃勃

6、的扩张计划超出国界。6.Thatcomputerstoreishavingasaleofaudiosoftware;let’sgoandhavealook.电脑商店正在出售的音频软件;让我们去看一看吧。7.Tobesafe,youmayputonyourdarkglassestoavoidthesunshiningdirectlyintoyoureyes.为了安全起见,你可以戴上你的墨镜避免阳光直射你的眼睛。8.Whenthekitchenisfinished,I’mgoingtofocusmyattentionontheg

7、ardenshed.当忙完厨房后，我将注意力放在花园。9.Inaserioustoneofvoice,thedoctorwarnedhimtokeepoffsugar.医生用严肃的语气警告他远离糖。10.Shecupped herhandsaroundthemugofhotcoffeetowarmthem.她双手呈杯状捧起热咖啡来温暖它们。七、Completethefollowingsentenceswithphrasesorexpressionsfromthepassage.Changetheformwherenecess

8、ary.　1.Ididn’texpectyoutobesoefficient;atthatratethetaskwillbefinishedaheadofschedule.我没想到你会这么高效,以这样的速度将提前完成任务。2.Forthesakeofsafety,youmustkeepal