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Unit4Astronomy:thescienceofthestarsSectionIWarmingUp&Reading基础巩固能力提升语篇理解基础巩固Ⅰ.单词拼写1．__________n．天文学2．_______n．系统；体系；制度3．_______n．学说；理论4．______n．原子5．______n．球体；地球仪；地球6．___________n．大气层；气氛7．___________adj.基本的；基础的astronomysystemtheoryatomglobeatmospherefundamental8．________vi.&vt.乘；增加9．________n．氧10．_______n．谜；难题vt.&vi.(使)迷惑；(使)为难11．_______prep.与……不同；不像12．________adj.猛烈的；激烈的；强暴的13．________adj.有害的14．______vi.存在；生存multiplyoxygenpuzzleunlikeviolentharmfulexistⅡ.短语拼写1．______________太阳系2．_________及时；终于3．__________冷却下来；变凉4．________________对……(来说)是基本的5．_________下蛋6．___________产生；分娩7．___________到某人；接着8．______________阻止；制止solarsystemintimecooldownbefundamentaltolayeggsgivebirthtoinone'sturnprevent...from...Ⅲ.完成句子1．what引导主语从句_____________________(随后它变成什么)wasuncertainuntilbetween4.5and3.8billionyearsago...2．so...that...“如此……以至于……”，引导结果状语从句Theearthbecame_______________(如此激烈动荡以至于)itwasnotclearwhethertheshapewouldlastornot.Whatitwastobecomesoviolentthat3．“make＋宾语＋宾语补足语”复合结构Thisproducedachainreaction,which_________________________________(使生命的发展成为可能).4．whether引导主语从句和宾语从句So_________________________________(生命能否在地球上延续)formillionsofyearstocomewilldependon________________________________(这个问题能否得到解决)．madeitpossibleforlifetodevelopwhetherlifewillcontinueontheearthwhetherthisproblemcanbesolved语篇理解Ⅰ.Readthetextandmatchthemainideaoftheparagraphs.1．Paragraph1A．Howhumansappearedandwhateffectstheyhadontheearth.2．Paragraph2B．Waterisveryimportanttolifeontheearth.3．Paragraph3C．Howtheearthformed.4．Paragraph4D．Howtheplantsandanimalsontheearthdeveloped.5．Paragraph5E．Itiswidelyacceptedthattheuniversebeganwitha“BigBang”．答案：1～5ECBDAⅡ.Readthetextcarefullyandchoosethebestansweraccordingtothetext.1．Thispassageismainlyabout.A．theearth'satmosphereB．thesolarsystemC．thedevelopmentoflifeD．thedifferencebetweentheearthandotherplanets2．Whathappenedshortlyafterthe“BigBang”？A．Theearthwasjustacloudofenergeticdust.B．Theearthbecameasolidballquickly.C．Theearth'satmosphereappeared.D．Waterstayedonthemoon.3．Whatmakestheearthdifferentfromotherplanets?A．It'squitewarmontheearth.B．Thereisplentyofatmosphere.C．Smallplantsgrowingonthesurfaceofthewaterappeared.D．Thefirstoceansandseaswerefilledwithoxygen.4．When，reptilesappeared.A．thefirstgreenplantsbegantoappearonlandB．landanimalsappearedC．theplantsgrewintoforestsD．earlyshellfishdeveloped答案：1～4CACCⅢ.Analyzethefollowingdifficultsentencesinthetext.1．Nooneknowsexactlyhowtheearthbegan,asithappenedsolongago.句式分析尝试翻译______________________________________________________________________________________________。没有人确切知道地球是怎样开始的，因为它发生在很久以前2．Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.句式分析尝试翻译_____________________________________________________________________________________________。随后它变成什么没人确定，直到45～38亿年前，这团尘埃才慢慢地形成了一个固态的球体3．Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.句式分析这是一个复合句。what引导主语从句；that引导表语从句；as在表语从句中引导状语从句。尝试翻译_____________________________________________________________________________________________。更重要的是，随着地球的不断冷却，地球表面出现了水4．Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.句式分析尝试翻译_____________________________________________________________________________________________。所以，在未来的数百万年中，生命能否在地球上延续取决于这个问题能否得到解决