2019-2020学年高中英语 Unit 4 Astronomy the science of th

单元要点回顾重点单词1．________n．系统；体系；制度2．________n．学说；理论3．________adj.猛烈的；激烈的；强暴的4．______prep.与……不同；不像5．_________adj.有害的6．______vi.存在；生存7．______n．谜；难题；(使)迷惑；(使)为难systemtheoryviolentunlikeharmfulexistpuzzle8．______n．&vt.拉(力)；拖；牵引力9．astronomyn．_________10．religionn．________________11．billionpron.&n．&adj.__________________12．gentleadj._____________13．satelliten.____________________14．spaceshipn．_____________15．globen．___________________pull天文学宗教；宗教信仰(英)万亿；(美)十亿温和的；文雅的卫星；人造卫星宇宙飞船球体；地球；地球仪16．carbonn．______17．dioxiden．___________18．atmospheren．______________19．fundamentaln．______________20．acidn．______21．chainn．__________________22．multiplyvi.&vt.______________23．thusadv._______________24．biologyn．________碳二氧化物大气层；气氛基本的；基础的酸链子；连锁；锁链乘；相加因此；于是生物学25．biologistn．______________26．gravityn．__________________27．climaten．_________28．crashvt.&vi.________________29．floatvt.&vi.______________________n．__________生物学家万有引力；重力气候碰撞；坠落(使)浮动；(使)漂浮漂浮物重点短语1．___________及时；终于2．_________下蛋3．________________产生；分娩4．______________轮到某人5．________________阻止；制止6．_____________感到高兴；感到振奋7．___________既然8．_____________突发；爆发9．_____________密切注意；当心；提防intimelayeggsgivebirthtoinone'sturnprevent…fromcheerupnowthatbreakoutwatchoutfor10．solarsystem__________11．carbondioxide_______________12．blockout_____________13．getthehangof___________________14．inalldirections_______________15．cooldown___________________16．achainreaction_____________17．manymillionsof_______________________太阳系二氧化碳挡住(光线)熟悉；掌握；理解向四面八方冷却；平静下来连锁反应数以百万的；数百万的18．allsortsof_____________19．asaresultof…___________________20．dependon______21．stepforward______22．forthefirsttime______各种各样的结果是；因此；由于依靠向前走第一次重点句式1.Others,________amphibians,wereabletoliveonland__________inthewater.另一些，被称作两栖动物，既可以生活在水中，也能生活在陆地上。2．Theearthbecame_____violent________itwasnotclear________theshapewouldlast________.地球变得激烈动荡，不知道这个固体形状是否会继续存在下去。calledaswellassothatwhetherornot3．________wegetclosertothemoon,weshallfeelitsgravitypullingus,butitwillnotbe_________________theearth's.当我们更接近月球时，就会感到月球的引力在拉我们，但是，月球的引力不像地球的引力那么大。Whenasstrongapullas4．But________Itriedtostepforward,IfoundIwascarried____________ontheearthandfellover.但当我试图往前走时，我发现我所走的距离是在地球上的两倍并且摔倒了。Whentwiceasfaras重点语法名词性从句(Ⅱ)用适当的连接词填空1．______wasresponsiblefortheaccidentisnotyetclear.2．Itisclear_____hehasnomoneywithhim.3．________itistrueremainsaproblem.WhothatWhether4．_______hewantstobuyisatoy.5．________breaksthelawissuretobepunished.6．______theywillhavethesportsmeetisstillaquestion，fortheyhavesomanythingstodo.7．_________theywilltalkaboutthemattertomorrowwon'tmaketoomuchdifference.Infact，itistheattitudenottheplacethatmatters.WhatWhoeverWhenWhere8．_____isreportedthattheactresswillcometoShanghaiforhernextplay.9．_______hedidn'tcomeyesterdayisunknown.10．_________kindofbookstheywillbuyneedsconsidering.ItWhyWhichⅠ.短语活用根据下面句子的意思，从下表中选择合适的短语完成句子，注意动词的时态和语态的变化。cheerup，nowthat，breakout，makeatrip，onourjourney，fallbackto，floataround，getthehangof，watchout1．DoyouknowtheyearwhenWorldWar________________？brokeout2．__________heiswellagain，hecangoonwithhisEnglishstudy.3．__________！Everythingwillbeallright.4．They____________toHainanduringthesummerholidays.5．_______________backfromHainan，wetookaplaneinsteadofatrain.NowthatCheerupmadeatripOnourjourney6．Whenspacemengetclosertothemoon，theygraduallybecomeweightlessand_______________inspaceshipcabin.7．AfterawhileI_________________itandwebegantoenjoyourselves.8．Things______________thegroundbecauseoftheearth'sgravity.9．_________！Theroadiswetandslippery.floataroundgotthehangoffall(back)toWatchoutⅡ.课文重点词汇活用根据短文内容和汉语提示，挑选本单元所学的词汇并用其适当的形式完成下面短文。Accordingtoawidelyacceptedtheory，theuniversebeganwitha“BigBang”，forseveral1.________(万亿)yearsafterthe“BigBang”，theearthwasstilljustacloudofdust，whichsettledintoasolid2.________(球体)．Theearthbecamevery3.________(猛烈的),andlateritproducedmanygases，whichweretomaketheearth'satmosphere.billionglobeviolentWaterhadalsoappearedontheearth，whichallowedtheearthtodissolve4.________(有害的)gasesandacidsintotheoceansandseas.Thenlifebegantodevelop.Nobodyunderstoodplantswerethestartofchanges.They5.___________(增加)andfilledtheoceansandseas.Smalllandanimalsappearedandproducedyounggenerallyby6.________(下蛋)eggs.Afterthat，somehugeanimals7.________(存在)ontheearthformorethan140millionyears.harmfulmultipliedlayingexistedMammalsweredifferentfromalllifeformsinthepast；theygave8.________(产生；分娩)totheyoungbabyanimalsandproducedmilktofeedthem.Theyareputtingtoomuchcarbondioxideintothe9.___________(大气层)，which10.________(阻止)heatfromescapingfromtheearthintospace.birthatmosphereprevents