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1九年级下册Unit4Naturaldisasters单元总结及练习【必记单词】1)earthquaken.地震2)floodn.（使）灌满水，淹没3)badlyadv.严重地，厉害地4)aliveadj.活着，在世5)pooln.水坑，水塘6)passv.通过7)deadadj.（因为缺电）不运行的8)starev.盯着看，凝视，注视9)noticev.注意到，意识到10)awakev.（使）醒来11)immediatelyadv.马上，即刻12)missingadj.失踪的【短语归纳】1.naturaldisaster自然灾害2.thinkof想起，想到3.beinterestedin...对......感兴趣4.beworriedabout担心5.dreamabout梦见，梦到6.suchas例如7.passby通过；经过8.stickwith持续，坚持9.worryabout担心10.thinkabout考虑11.stareat盯着看，凝视12.insurprise惊讶地13.fornow暂时14.so...that...如此......以至于......15.waitfor等候16.packup收拾行李17.forexample例如18.writedown写下19.survivalkit救生包20.intheend最后21.from...to...例如22.howfar多远23.payattentionto注意，留心24.falldown倒塌25.atonce立刻26.as...aspossible尽可能......地27.wakeup醒来28.incaseof假如29.stayawayfrom...远离......30.sitaround无所事事地消磨时间；闲坐31.fallondeafears不被理睬，不被注意【用法集萃】1.starttodosth.开始做某事2.havetodosth.必须/不得不做某事3.trytodosth.试图/尽力做某事4.itis/wasadj.todosth.做某事是......的5.affordtodosth.负担得起做某事6.havenotimetodosth.没有时间做某事7.itseemsthat+从句似乎......8.wanttodosth.想要做某事9.stopdoingsth.停止做某事10.asksb.todosth.让某人做某事11.beabletodosth.能够做某事12.suggestdoingsth.建议做某事13.Ittakes(sb.)sometimetodosth.（某人）花费多少时间做某事14.make+宾语+形容词使某人/某物......15.findsb.+doingsth.发现某人正在做某事16.letsb.dosth.让某人做某事17.adj./adv.enoughtodosth足够......可以做某事18.hadbetterdosth.最好做某事219.helpsb.(to)dosth.帮助某人做某事20.expectsb.todosth.期待某人做某事21.keepdoingsth.一直做某事【经典句型】1.It’simportanttostickwithit.坚持工作很重要。2.Ihavenotimetothinkabouttheflood.我没有时间考虑洪水。3.Ittookalongtimetobuildthehouse.建这座房子花了很长时间。4.Itseemsthatnobodyispayinganyattentiontotheflood.似乎没有人关注那场洪水。5.Itisnotagoodideatositaroundandworryabouttheflood.闲坐着担心洪水不是一个好主意。【重点语法】it作形式主语的用法代词it可以用来代替一个名词、一个短语、一个句子，在句中作主语或宾语。本单元学习it作形式主语的几种情况。1.it作主语指时间、日期、天气、距离和气温等。It’snineo’clocknow.（指时间）Itismuchcolderthanitwasyesterday.（指天气）Itisabout5kilometresfromheretomyhome.（指距离）Itisveryhotintheclassroom.（指气温）ItisSundaytoday.（指日期）2.It作形式主语代替动词不定式，常用于以下句型中：(1)itis/wasadj.(of/for)sb.todosth.当表语是与事物的特征有关的形容词时，如easy,difficult,hard,important,necessary等，用介词for.ItisdifficultforLucytolearnphysics.Itisinterestingforustoplaybadminton.当表语是描述人的性格、品质的形容词时，如kind,nice,polite,clever,foolish,stupid等，用介词of.Itiskindofyoutohelpme.Itiscleverofthelittlechildtoworkoutsuchadifficultmathproblem.(2)ittakes/tooksb.sometimetodosth.Ittakeshimanhourtodohishomeworkeveryday.(3)itis/wasn.todosth.Itisgreatfuntohaveapartyhere.3Itwasagreatpleasuretoworkwithyou.3.it作形式主语还常用于句型“itseems/appearsthat+从句”，表示“似乎/好像/看来......”Itseemsthatheknowseverything.Itappearsthatwearewrong.单元练习一、根据句意及首字母或汉语提示完成单词。1.Theoldmanisd_________.Hecan’thearanything.2.Mydogism__________.Canyouhelpmefindit?3.Allofthemare___________（注视）atthecomputerscreen.4.Wedon’tknowwhetherhe’s_________（活着）ordead.5.Theroadwassonarrow（狭窄）thatcarswereunableto_________（通过）.二、用所给单词的适当形式填空1.Thiswastheworst___________(nature)disasterinthehistoryoftheUnitedStates.2.Look!Therearetwo_________(coach)infrontofourschool.3.Somecountrieswouldbe_________(flood)ifsealevelaroundtheworldrose.4.Ihavenotime_________(think)aboutthesequestions.5.Marysuggested_________(go)therebybusandIagreed.三、单项选择1.---____________isitfromheretotherailwaystation?---Abouttenkilometres.A.HowfarB.HowfastC.HowsoonD.Howoften2.Maryfeelsunhappybecausenobodyseemsto_________herprogress.A.noticeB.lookC.watchD.read3.What_________itis!A.nicedayB.niceweatherC.aniceweatherD.niceaweather4.Thelineis__________.Whatshouldwedo?A.deafB.aliveC.deadD.missing5.Hehurther_________badly________shehadtoseeadoctor.A.too;thatB.so;thatC.either;orD.too;to6.Eachofushastowritea__________________reporteverytwoweeks.A.two-hundred-wordB.two-hundreds-wordC.two-hundreds-wordsD.two-hundred-words7.---MayIlistentomusichere,Mr.White?---Sorry,you’dbetter________itlikethat.4A.nottodoB.notdoC.don’tdoD.notdoto8.Mydaughterwantsarabbitforlong,butIhavenotimetobuy_________forher.A.itB.oneC.theoneD.that9.Hisfriendsaskedhim____________upsmoking.A.giveB.togiveC.gaveD.giving10.Whensheheardthenews,shelookedatme__________surprise.A.forB.toC.atD.in11.Thelittleboyis________lovely________everyonelikeshim.A.such;thatB.too;toC.so;thatD.enough;that12.__________foggyday!A.HowB.WhatC.HowaD.Whata13.Finishyourhomeworkfirst,andthenyou’ll___________watchTVforanhour.A.canB.beabletoC.abletoD.could14.Ourteacheroftenasksus_________questionsingroups.A.discussB.todiscussC.discussingD.discussed15.Whatapity!LiuXiangdidn’twinthe___________hurdles（跨栏）.A.110-metreB.110-metresC.110metreD.110metes16.---DoyouknowthatMr.Zhangpasses________lastweek?---Yes.Hedied_____________illness.A.away;ofB.on;fromC.by;withD.off;as17.Helosthiskey.Itmadehim_________inthecoldtowaitforhiswife’sreturn.A.tostayB.stayedC.staysD.stay18.---You’dbetter_________early.Itisgoodforyourhealth.---Thanks.I’lldoasyousay.A.getupB.togetupC.gettingupD.gotup四、根据汉语意思完成句子。1.在晚上他通常闲坐着玩电脑游戏。Intheevening,heusually__________________playingcomputergames.2.你应该多加注意你的发音。Youshould________more___________________yourpronunciation.3.我让孩子们保持安静，但是无人理睬。Iaskedthechildrentokeepquiet,butthis________________________ears.4.他们花了三天时间制作这个飞机模型。________tookthemthreedays________________themodelplane.5.6路公交车每