仁爱版九年级初三英语上册各单元重要知识点汇总

仁爱版九年级初三英语上册各单元重要知识点汇总Unit1TheChangingWorldTopic1Ourcountryhasdevelopedrapidly.【重点短语和句型】暑假过得愉快1.haveagoodsummerholiday回来......从2.comebackfrom去过3.have/hasbeento去了4.have/hasgoneto...再也不5.not...anymore照相6.takephotos顺便问一下7.bytheway参加8.takepartin全世界9.around/allover/throughouttheworld告诉某人关于某事10.tellsb.somethingabout...艰苦的生活/过着幸福11.have/liveahappy/hardlife详细描述12.describe...indetail...支持13.givesupportto亲眼看见14.see...oneself与15.keepintouchwith保持联系...遥远的16.faraway...各种各样的17.kinds/sortsof...而且...不仅18.notonly...butalso取得进步19.makeprogress多于20.morethan/over改善/迅速发展21.develop/improverapidly告诉某人（别）做某事22.tellsb.(not)todosth.要求某人（别）做某事23.asksb.(not)todosth.为了做某事24.inordertodosth.不得不做某事25.havetodosth.的...对于某人来说做某事是+forsb.todosth.形容词It's+26.为什么不做某事27.whynotdosth.成功地做某事28.succeed/besuccessfulindoingsth.梦想做某事29.dreamaboutdoingsth.正在做某事/听见某人做/看见30.see/hearsb.do/doingsth.【重点语法】现在完成时现在完成时的基本结构.一其他+动词的过去分词+have/has+肯定句：主语其他+动词的过去分词+have/has+not+否定句：主语一般疑问句：其他+动词的过去分词+主语Have/Has+其他）+过去分词+主语have/has+一般疑问句（+特殊疑问句：特殊疑问词现在完成时的用法.二现在完成时用来表示过去已经完成的动作对现在造成影响或后果。也就1.是说，动作或状态发生在过去但它的影响现在还存在，强调的是现在。havealreadypostedthephoto.I我已经邮寄出了照片。（肯定already与此种用法连用的时间状语时一些模糊的过去时间状语，如lately,neverrecently,still,before,just,,疑问句句尾）/（否定句yet,句句中）等。持续到现在并现在完成时也可用来表示动作或状态发生在过去某一时刻，2.且有可能会继续持续下去。Hehaslivedheresince1978.年，一直住到现在，1978动作起始于(年以来，他一直住在这儿。1978自从)可能还要继续住下去。时间点或过去时的句子）连用。谓语+（,since时间段）+（for此种用法常与动词必须是延续性动词。有些瞬间动词可变为延续动词：goout----beoutfinish----beoveropen----beopendie----bedeadbuy---havefallill---beillcomeback----bebackcatchacold----haveacoldTopic2Thepopulationindevelopingcountriesisgrowingfaster.【重点短语和句型】迷路1.getlost一些，几个2.acoupleof的发展...随着3.withthedevelopmentof的帮助下...在4.withthehelpof...的其中之一...最/其中之一名词复数+形容词最高级5.oneofthe+互相6.eachother给某人打电话7.call/ringsb.up至少8.atleast某人发生某事9.sth.happentosb.?某人发生某事10.Whathappenedtosb?发生11.takeplace因为，由于12.becauseof某事严格要求/对某人13.bestrictwithsb./insth.执行14.carryout...成百上千/无数的/成千上万15.thousands/millions/hundredsoftwothousand/million/hundred16.s)具体数字后面不加(百/百万/两千...一半17.halfof...三分之二18.twothirds...短缺19.beshortof20.sofar到目前为止而闻名...因21.beknown/famousfor而闻名...作为22.beknown/famousas...幸亏23.thanksto有很长的路要走24.havealongwaytogo的镇...一个叫做25.atowncalled...少于26.fewerthan/lessthan名胜古迹27.placesofinterest感兴趣...对28.beinterestedin29.suchas...例如...尝起来/摸/听/闻/看形容词30.look/smell/sound/feel/taste++sb./sth形容词31.sucha/an+物/的人...如此带某人去某地32.takesb.tosp赶上33.keepupwith做某事很愉快34.havefundoingsth....有35.haveapopulationof...的人口有多少人口？36.What'sthepopulationof...?...想要做某事37.wanttodosth.讨厌做某事38.hatetodosth采取措施做某事39.takemeasurestodosth.时间做某事/有机会40.have(no)chance/timetodosth.过去常常做某事41.usedtodosth.被用来做某事42.beusedtodosth.习惯做某事43.be/getusedtodoingsth.方面起到显著作用...在44.workwellindoingsth.【重点语法】already,just,yet,ever,never,recently.常用于现在完成时的时间状语：e.g.1.Ihavejustcalledyou.HaveyoueverbeentoFrance?——2.beentoanyEuropeancountries.——No,I’veneverHaveyouseenhimyet?——3.Yes,Ihaveseenhimalready.——Topic3Theworldhaschangedforthebetter.【重点短语】用这些钱1.withthemoney为了，以致于2.sothat...如此3.so...that......以致于事实上4.infact/asamatteroffact来参观5.comeforavisit在困难时6.inneed决定某事7.decideonsth.为某人提供某物8.providesth.forsb./providesb.withsth.有信心...对9.feelgoodabout...把某物借给某人10lendsth.tosb/lendsb.sth.向某人借某物11.borrowsth.fromsb.与此同时12.atthesametime在电话中交谈13.talkonthephone吸毒14.takedrugs付款15.payfor给某人买某物16.buysth.forsb.在国内外17.athomeandabroad送某人去某地18.sendsb.tosp.派人去请某人19.sendforsb.目的是做某事20.aimtodosth.决定（不）做某事21.decide(not)todosth.结束做某事22.finishdoing怎么样？...你觉得23.Howdoyoulike.../Whatdoyouthinkof...?时间做某事...某人花费24.sb.spendst.indoingsth=Ittakessb.st.todosth.钱买...某人花费25.sb.spendsomemoneyonsth.=sb.paysomemoneyforsth.某物表示后者情况与前者一样（表肯定）主语+情态动词/助动词26.so+be/助动词neither/nor+be/表示后者情况与前者一样（表否定）主语+情态动词/表示的确如此情态动词/助动词+/be/主语27.so+【重点语法】表示从过去某一时刻,引导的时间状语连用since或for现在完成时：常与1.延续到现在。e.g.YouhavebeeninNewYorkforalongtime.ThecityhasimprovedalotsinceIcamehereafewyearsago.:构词法2.:home+work=homework合成词unhappy——useful,happy——:use派生词Unit2SavingtheEarthTopic1Populationcausestoomanyproblems.【重点短语】化工厂1.chemicalfactory……排放到……把2.pour…into…处在不好的情绪中3.inabadmood设法去做某事4.managetodosth.有害……对beharmfulto…/5.doharmto…相当多6.quiteafew一样差…….同7.nobetterthan公开地8.inpubic各种各样的9.allsortsof在许多方面10.inmanyways【重点句型】theintowaterwastepouringfactorieschemicalseveralarethereLook,1.streams.看，有几家化工厂正往河里排放废水。一切已发生了变化。2.Everythinghaschanged.?你像这样多长时间了3.Howlonghaveyoubeenlikethis?4.I’malwaysinabadmoodbecauseIcan’tstandtheenvironmenthere.我的情绪总是很差因为我受不了这里的环境。isandpollutionofkindaalsoisnoisethatknowpeopleallnotHowever,5.harmfultohumans’health.然而，并非所有的人都知道噪音也是一种污染，而且有害于人类健康。【重点语法】直接引语和间接引语1.Grannysaid,“I’mfeelingevenworse.”Grannysaidthatshewasfeelingevenworse.2.“Doyoustillwanttolivehere,Granny?”thejournalistasked.ThejournalistaskedGrannyifshestillwantedtolivethere.3.“Howistheenvironmentaroundthisplace?”thejournalistasked.Thejournalistaskedhowtheenvironmentaroundthatplacewas.Topic2Alltheseproblemsareveryserious.【重点短语】结果1.asaresult到处2.hereandthere一开始3.inthebeginning处于危险中4.indanger砍倒5.cutdown……变成……把6.changesth.intosth.防止7.preventfrom温室效应8.greenhouseeffect提到9.referto处理10.dealwith中断12.cutoff【重点句型】众所周知