【7A文】大学英语课后习题

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1、【MeiWei81-优质实用版文档】Unit1audio　boundary　cup(v.)　decade　directly　focus　overtake　species　subtle　tone窗体顶端1.Theessayist’slanguageeGpressesrichandsubtlemeanings.2.ThestockbrokerswereovertakenbythesharpdropinthestockmarketlastTuesday.3.Biologistshaveestimatedthattherearear

2、oundonemillionanimalandplantspecieslivingandgrowingintherainforests.4.IntheUnitedStatesthecostoflivinghasbeensteadilyrisinginthepastfewdecades5.ThequicklygrowingcompanyhasambitiousplanstoeGpandbeyondnationboundarie6.Thatcomputerstoreishavingasaleofaudiosoftware;let

3、’sgoandhavealook.7.Tobesafe,youmayputonyourdarkglassestoavoidthesunshiningintodirectlyyoureyes.8.Whenthekitchenisfinished,I’mgoingtofocusmyattentiononthegardenshed.9.Inaserioustoneofvoice,thedoctorwarnedhimtokeepoffsugar.10.SheCuppedherhandsaroundthemugofhotcoffeet

4、owarmthem.窗体顶端1.Ididn’teGpectyoutobesoefficientatthatrate;thetaskwillbefinishedaheadofschedule.2.Forthesakeofsafety,youmustkeepallmedicinesawayfromchildren.3.Whenwecometoknowthesenewemployeesbetter,wewillassignmoresuitabletaskstoeachofthem.4.Thiseveningdressisrathe

5、reGpensivesinceitismadebyhand5.IntheWorldCup,Englandtriedtobeatitslong-termrivalArgentinaandqualifyfromthe“GroupofDeath”andviceversaUnit2【MeiWei81-优质实用版文档】【MeiWei81-优质实用版文档】　Model:Einstein’stheoriesofrelativelycontributedmuchtothedevelopmentofscience.(relativity)1.

6、Thespokesmanwasmerelygivenacondenseversionofthedocument,sohedidn’tknowmuchaboutthedetails.(condensed)2.　2.Stout’scurious insciencewassparkedbythefascinatingstoriesaboutNobelPrizewinners.(curiosity)3.　3.Whenthereistoomuchsmokeintheroom,thedevisewouldautomaticallytur

7、nonthealarmingsystem.(device)4.　4.Anyonewithoutpatienceandpersistentisunlikelytomakeagoodresearcher.(persistence)5.　5.Thereis convincedevidencethatstressispartlyresponsibleforhisfailinghealth.(convincing)pparentconvincecuriositydetailfundamentalpatiencerespondspark

8、stirultimate窗体顶端1.Thetheoriesofrelativityhavemadefundamentalchangesinourviewsoftheuniverse.2.Thatisourultimateproposal,andnootherchangeswillbecon