Book3Unit4Astronomy：thescienceofthestars[学考语基闯关]一、核心单词1．systemn．系统；体系；制度2．globen.球体；地球仪；地球3．satelliten.卫星4．climaten.气候5．thusadv.因此；于是6．gentleadj.温和的；文雅的7．crashvi.&vt.碰撞；坠落8．pulln．&vt.拉(力)；拖；牵引力9．floatvi.&vt.(使)浮动；(使)漂浮n.漂浮物10．theoryn．学说；理论→theoreticaladj.理论的，理论性的11．unlikeprep.与……不同；不像→likevt.喜欢prep.相像的→likelyadj.可能的12．violentadj.猛烈的；激烈的；强暴的→violencen．暴力→violentlyadv.暴力地；猛烈地13．harmfuladj.有害的→harmn．&v.伤害→harmlessadj.无害的14．existvi.存在；生存→existencen．存在；生存15．puzzlevi.&vt.(使)迷惑；(使)为难n．谜；难题→puzzledadj.迷惑不解的→puzzlingadj.令人迷惑的●语境运用(用所给词的适当形式填空)1．Hefoundsomethingfloating(float)onthelake.2．Thenumberofknownsatellites(satellite)inthesolarsystemroseto36.3．Iampuzzled(puzzle)aboutwhattodo.4．Shejustblameditallonthesystems(system)ofthecountry.5．Thesungently(gentle)shinesthroughtheleaves.6．It'sunlike(like)himtobelate.He'susuallyontime.7．Areportonviolenceamongmiddleschoolandhighschoolstudentsindicatesthatmostviolentincidentsbetweenstudentsbeginwitharelativelyminorinsult(侮辱)．(violent)8．Thefactorygivesoffharmfulgases.Theymaydoharmtoourhealth.(harm)9．Doyoubelievetheexistenceofghosts？Perhapstheyonlyexistinthemindsofsomepeople.(exist)二、重点短语1．intime及时；终于2．getthehangof熟悉；掌握；理解3．givebirthto产生；分娩4．inone'sturn轮到某人5．prevent...from阻止；制止6．cheerup感到高兴；感到振奋7．nowthat既然8．breakout突发；爆发9．watchoutfor密切注意；当心；提防10．blockout挡住(光线)●语境运用(用上述短语的适当形式填空)1．Pressthebuttonwhenthelightgoeson，andyou'llsoongetthehangofit.2．Afightingbetweenthetwofriendsbrokeout，endingthefriendshipkeptformanyyears.3．HecheeredupatoncewhenIpromisedtohelphim.4．Theygottotheairportbytaxijustintimefortheirflight.5．Nowthatyou'vepassedyourtest，youcandriveonyourown.三、经典句式1．Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.(whether...ornot“是否……”)2．Thisproducedachainreaction，whichmadeitpossibleforlifetodevelop.(句中的it是形式宾语，真正的宾语是不定式短语todevelop)3．ButwhenItriedtostepforward，IfoundIwascarriedtwiceasfarasontheearthandfellover.(“twiceas＋形容词原级＋as”是倍数表达法之一)4．“Oh，dear，”Icried，“walkingdoesneedabitofpracticenowthatgravityhaschanged.”(nowthat“既然；由于”，引导原因状语从句，有时that可以省略)●语境运用(用上述句型结构仿写下列句子)1．他们是否能够通过沟通达成协议还不清楚。It'snotclearwhethertheyareabletoarriveatanagreementthroughcommunicationornot．2．这份报纸中所包含的国内国际新闻让我们了解一周来发生的大事成为可能。Bothnationalandinternationalnewsinthisnewspapermakeitpossibleforustolearnallimportantthingsthathavehappenedduringtheweek.3．杰西卡付出的是以前三倍的时间和精力，所以我相信她这次能成功。Jessicadevotedthreetimesasmuchtimeandenergyasshedidbefore，soIbelieveshewillsucceedthistime.4．你既然得到了一个机会，不妨充分利用它。Nowthatyou'vegotachance，youmightaswellmakefulluseofit.[综合技能提升]一、单元语法专练(主语从句)用主语从句改写下列句子1．Ishecomingornot？Itisstilluncertain.Itisstilluncertainwhetherheiscomingornot．2．Whydidhedoit？Itremainsamystery.Whyhediditremainsamystery.3．Hehasmadeaveryimportantdiscoveryinchemistry.Itistrue.Itistruethathehasmadeaveryimportantdiscover...
