unit4-book3导学案VIP专享VIP免费

book3,unit4一．单词1astronomyn._________2weightlesslyadv.__________3systemn.________________4religionn.___________adj.__________5theoryn._______________6.大气层，气氛n._______________7用尽,耗尽，使筋疲力尽v___________8globe_____________adj.____________9猛烈的,激烈的，强烈/强暴的_________/n______10.unlikeprep._________________11基本的,基础的，根本的adj.______________12.溶解,解散v.________________13.有害的adj_________/v_______14.chainn.________________15.reactionn.____________/v________16乘,增加,繁殖v________________17存在v____________/n._____________17thusadv________________18谜n/v._________/adj_________/_______19.biologyn._______/biologistn______.20浮动,飘浮v______________21.gravityn._______________22温和的,文雅的adj____________/adv____23geologistn.______________24physicistn.______________25灭绝的adj.__________/n.26.climaten.__________27坠落,碰撞v./n.________________28.拖，拉，拉力，牵引力v_____________29lessenv_______________二．短语１提防,当心…____________２接着，轮到某人____________３下蛋,产卵____________４阻止____________５及时，最终____________６挡住(光线),忘掉,抹去（不愉快的事）____________７感到高兴____________８既然____________９熟悉，掌握____________１０产生，分娩____________11突发，爆发____________12.因为，由于______________13取决于，依靠，依赖____________14anaircrash______________15achainreaction_______________16全球变暖_______________17对..有害_______________18对…来说是根本的_______________19友好的气氛_______________20comeintoexistence_______________三．佳句背诵１随后它会变成什么没有人能知道，直到45－38亿年前，这团尘埃才慢慢地形成了一固态的球状体。Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.2更重要的是当地球冷却下来的时候，水开始在其表面出现了。What’smoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.3.这产生了一个连锁反应，这使生命的发展成为可能。Thisproducedachainreaction,whichmakesispossibleforlifetodevelop.4.他们为什么会突然消失仍然是个谜。Whytheysuddenlydisappearedstillremainsamystery.5.在未来的数百年中，生命能否在地球上延续下去将取决于这个问题能否被解决。Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhethertheproblemcanbesolved.6.当我们接近月球时，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Whenwegetclosetothemoon,weshallfeelitsgravitypullingus,butitwillnotbeasstrongapullastheearth’s7但是我试图往前走时，我发现自己被带到一个相当于地球上两倍远的地方并且摔倒了。ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.8.我们惊奇地看着,随着地球引力的增加,宇宙飞船的外层燃烧起火.Wewatched,amazedasfirebrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.四．用括号内所给词的适当形式填空。1Intheantcity,thequeen’sjobistolayeggs.Inotherwords,layingeggsisthequeen’sjob.(lay)2.Aftertwomonths‘studying,Ifinallygotthehangofdrivingskills.thecheeringnewsmademecheerup.Ifeltcheerful.“Cheeron!”Isaidtomyself.(cheer)3.Thepuzzledlookonhisfacesuggestedthathewaspuzzledoverthepuzzlingmathproblem.whocouldworkoutit?Itwasapuzzle.(puzzle)4.Unlikeotherteenagers,mysondislikescomputergames,whichcomfirtsus.Onthecontrary,mydaughterlikesthemsomuchthatit’sunlikelyforhertogetridofthem(like)5Yoursmokingwillbeharmfultoyourroommates,soyoushouldn’tdoharmtoothersandyoushouldprovidethemwithaharmlessenvironment(harm)五改错1Hetoldmethathehavebe...