新策略词汇[终稿]

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1、KeytoexercisesinUnit2Exercise:LearntofollowI.Comprehension(略)II.VocabularyA1.ambitious2.celestial3.advocate4.apprehension5.espionage6.heyday7.cosmos8.breakthrough9.booster10.touchdownB1.b)2.c)3.a)4.c)5.c)6.a)1.b)2.c)3.b)4.d)Exercise:LearntoreadI1.Ithasbeenprovedthati

2、nducedvoltagecausesacurrenttoflowinoppositiontotheforceproducingit.2.Computersmaybeclassifiedasanaloganddigital.3.Therotationoftheearthonitsownaxiscausesthechangefromdaytonight.4.Animprovementofitsperformancecanbeeffectedbytheuseofsuper-heatedsteam.5.Itwassuggestedby

3、somescientiststhatthis“activenitrogen^^consistedofthegasinitsatomicstate.1.Themicroscopeenablessmallobjectstobeobserved・2.Theexistenceofthebiologicalclockwasfirstrecognizedintheearly18thcentury.3.Electricitycanbetransmittedbymeansofwires.4.Thepressurewillhavetoberedu

4、ced.1.Thesemethodsarenormallyadoptedforspaceresearch.Exercise:LearntoshareI.GroupDiscussion（略）II.TranslationA1.agrowingcadreofscientists,theorganicmaterial2.arenowleaningtoward3.themolecularmakeup,chemicalreactions4.isseenasanessentialingredientoflife5.thequesttofind

5、lifeonotherplanetsB1.这个数百万美元的项冃召集了来自世界各地的科学家，组成了一个跨学科的团队来研究有机分子是如何在星际云团屮形成并且在形成的过程中如何被运送到星球。2.许多科学家认为：越来越多的证据显示彗星为地球上的生命起源至少提供了部分的原材料。3.天文学家认为：恒星、行星和彗星形成了一个巨大的连锁反应,连锁反应是在一团星际物质因其自身的引力坍塌时开始的。1.人们普遍认为：包含碳原了而且存在于科学界已知所有生命形态中的有机分子大量存在于星际云团和彗星中。2.四十亿年前，刚形成的地球有可能遭到了彗星的猛烈碰撞

6、。Exercise:Learntowrite1.Microscopeisadevicethatuseslensestomakeverysmallobjectslooklargersothattheycanbescientificallyexaminedandstudied・2.Psychologyisthescientificstudyofthewaythehumanmindworksandhowitinfluencesbehavior,ortheinfluenceofaparticularperson'scharacteron

7、his/herbehavior.3.Missileisaflyingweaponwhichhasitsownenginesothatitcantravelalongdistancebeforeexplodingattheplacethatithasbeenaimedat.4.Spaceshuttleisavehicleinwhichpeopletravelintospaceandbackagain,sometimescarryingasatelliteorotherequipmentintoorbit.5.Earthquakei

8、sasuddenviolentmovementoftheEarth'ssurface,sometimescausinggreatdamage・6.Robotisamachineusedtoperformjobsautomaticallywhichisprogra