新视野大学英语综合教程4的Book4-unit1-2答案

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1、UnitOne²raw:adj.coldandwet;notcooked,refined,processed,organizedoranalyzedTheeventtookplaceonarawFebruarymorning.Rawmaterialsarethenaturalsubstancesfromwhichindustrialproductsaremade.²Launch:vt.1)startBeginningintheearly1960s,humanslaunchedprobestoexploreotherplanets.2)send(sth.)oni

2、tscourseOnOctober4,1957,Sovietscientistslaunchedtheworld’sfirstartificialsatellite,calledSputnik.Collocation:launchanattacklaunchamassivecampaign发动一场大规模的运动launchacompany开一家公司launchthreatsatsb.launchinto（积极有力地）开始launchout（精力充沛或戏剧性地）开始Helaunchedintoalongspeechaboutthedangeroftakingdru

3、gs.Shewantstobemorethanasingerandislaunchingoutintofilms.²campaign:n.aseriesofmilitaryoperationsorplannedactivitieswithaparticularaimThegovernmentislaunchingamassivecampaignagainstcorruption.²efficient:adj.workingwell,quicklyandwithoutwasteTocutbackonfossilfuels,weshouldbuildmoreeff

4、icientcars.Itisnotefficienttohirepoorlytrainedworkers.²conquest:n.conquering,defeatTheyear1939hadwitnessedtheconquestofPolandbyGermany.²retreat:v.movebackorwithdrawwhenfacedwithdangerordifficultyAfterafiercebattle,thetroopsretreatedsouthward.retreat的反义词是advance，例如：toadvanceagainst(o

5、n,to,toward)朝…前进toretreatfrom从…撤退toretreatto撤退到²engage:vt.1)beginfightingwithsb.Thecommanderorderedthesoldierstoengagetheenemyimmediately.82)drawinto;involveWetriedtoengagehiminourconversation,butinvain.3)attractsb.’sinterestHisgoodnatureengageseveryone.他善良的性情吸引每个人。4)occupyStudyinge

6、ngagesmostofaseriousstudent’stime.Pattern:engage(sb.)insth.:(causeto)takepartinsth.Theyarecurrentlyengagedinlengthytradenegotiations.Collocation:engageas使聘为…engagein从事；使参加engagewith与…啮合²befacedwith:havetodealwithThelibrarianswerefacedwiththehugetaskoflistingallthebooks.²crucial:adj.

7、veryimportant(followedbyto)Improvedconsumerconfidenceiscrucialtoeconomicrecovery.CF:crucial,critical&decisive这三个词都是形容词，都有“紧要的、紧迫的、重要的”之意。crucial意为“决定性的、极重要的”，指对关键性事物不断增长的缺乏或需求，紧急情况或危急转折关头。critical意为“决定性的”，与crucial相似，但表示对缺乏程度更精确的估计。在转折关头时比crucial表现出更大的严重性。decisive意思是“决定性的、果断的”，具有重要、特

8、殊或决定性效果。例如：Ourairfo