Unit 2【 知识点播+能力提升 】九年级英语 全册（上册+下册）单元复习培优精讲精练.pptx

仁爱版九年级上册仁爱版九年级上册Unit 2 Saving the EarthUnit 2 Saving the Earth目录页1、单击此处添加标题2、单击此处添加标题3、单击此处添加标题4、单击此处添加标题5、单击此处添加标题Learning aimsLearning aims1.Review the key words,phrases and sentence patterns.2.Review this unit knowledge and key grammar.3.Master the topic writing in this unitUnit 2 Saving the Earth温习梳理教材温习梳理教材词汇拓展pollutionpainfulproductionawfullyterribleharmfulrecentlyactdeeplydepthweighdifferentdiscovery discovered requirement require sb.to do sth.unpleasant including pourinto see sb.doing sth.cut down stop doing sth.make noise sleep well can t bear sth./doing sth.solve this problem lose one s hearing/have hearing loss stop to do sth.no better than even though/even if change into stop sb./sth.(from)doing sth.instead of blow away focus on a number of come into being die out on earth be good for take away all over the worldaround the world plenty of avoid doing sth.make some progress in be bad for be covered with be short of as a result hurry up give up ought to shut off run out in a bad mood encourage sb.to do sth.all sorts of sharewith save money 情景交际It _(be)beautiful in the past.Kangkang _(go)there two years ago.The flowers and grass _(go).Everything _(change).Mrs.Zhou _(be)like this since last week.She _(not see)a doctor yet.waswenthave gonehas changedhas beenhasnt seenSimple past Simple past 强调过去强调过去 Present perfect Present perfect 强调现在强调现在They are caused by pollution.Indefinite pronoun and adverb 不定代词和副词一、构成。

不定代词、副词是由some,any,no,every与thing,one,body,where 等构成E.g.something,someone,nowhere,anybody等二、用法1通常情况下,由some,every加后缀构成的不定代词、副词常用于肯定句；由any加后缀构成的不定代词、副词常用于疑问句、否定句中E.g.You will find your bag somewhere.Can you hear anything?2.注意：当说话人希望得到肯定答复,或是表示建议、请求等意图时,something,somebody,someone也可以用于疑问句中当要表达“任何人；任何事物”时,anything,anybody,anyone也可以用于肯定句中E.g.Would you like something to drink?Anybody can do it except Tom.somebody,someone,something,somewheresomebody,someone,something,somewhere anybody,anyone,anything,anywhere anybody,anyone,anything,anywhere none,nobody,nothing,nowhere none,nobody,nothing,nowhere everybody,everyone,everything,everywhere everybody,everyone,everything,everywhere一般情况下用于肯定句一般情况下用于肯定句一般情况下用于肯定句一般情况下用于肯定句一般情况下用于否定句和疑问句一般情况下用于否定句和疑问句一般情况下用于否定句和疑问句一般情况下用于否定句和疑问句表否定含义表否定含义表否定含义表否定含义可用于各种句式可用于各种句式可用于各种句式可用于各种句式the indefinite the indefinite pronoun and pronoun and adverbadverb(1)_ of us knows how to stop the bad behavior.(2)I knocked on the door but _ answered.(3)Some of these books are better than_.(4)She was driving the car with one hand and wiping the window with the _.(5)They are beautiful but I am looking for _ useful.(6)Is there _ you can do to help her?(7)Therere 5 000 people living here and almost _has his/her own car.(8)Hes cleverer than _ I know.(9)Ive looked _ but I cant find it.Fill in the blanks using something,anything,others,nobody,everyone,anybody,everywhere,none,other.NonenobodyothersothersomethinganythingeveryoneanybodyeverywherePeople pour waste water into rivers and lakes.(P30)wastev.浪费浪费n.浪费；废料；废物；垃圾浪费；废料；废物；垃圾常用结构：常用结构：waste+名词（尤其是时间、金钱）名词（尤其是时间、金钱）on sth./in doing sth.在在方面浪费方面浪费/浪费浪费在某事上在某事上/做某事做某事表示一种浪费表示一种浪费的行为时可的行为时可与不定冠词连用与不定冠词连用adj.无用的；无用的；废弃的弃的考点1教材链接Although we have built “The Green Great Wall”，we still need to do something to protect the environment.(P35)although 的意思相当于 though，意为“尽管，虽然”，用来引导让步状语从句。

它所引导的从句不能与并列连词 but,and,so 等连用，但可以和yet,still 等词连用如：Although he lives alone,he doesnt feel lonely.He lives alone,but he doesnt feel lonely.虽然他一个人住，但他并不感到孤独考点2教材链接Although we have built “The Green Great Wall”，we still need to do something to protect the environment.(P35)如：Though/Although it was raining,we still went there.虽然下着 雨，但我们还是去了那里It looked as though it might rain at any minute.看上去好像马上就要下雨了Its hard work,I enjoy it,though.工作很辛苦，可是我很喜欢考点2教材链接None of us likes pollution.(P37)辨析辨析 none，nothing，no one 与与 nobodynone既可指人也可 指物，接 后常接of 短语构成”none of 名词/代词”结构；谓语动词用单复数均可。

none用来回答 how many 或 或 how much 引导的问句nothing只能指物，不能指人nothing 不能接of短语nothing作主语时，谓语动词用单数形式nothing用来回答what引导的问句考点3教材链接How can we avoid a serious water shortage?(P41)avoidavoid sb./sth.避开某人避开某人/避免某事避免某事avoid doing sth.避免做某事避免做某事Try to avoid accidents.尽量防止发生事故He avoided answering my questions.他对我的问题避而不答考点4教材链接discover 指发现本来已经存在但人们还不知道的事物、真理或情况等,如发现元素、电、煤、石油等矿藏以及新星或科学真理等invent 主要意思是“发明”,指产生前所未有的东西,其对象往往是物质性的,尤指科技上的发明创造create 指从无到有的“创作”或创作出原本不存在的东西,如艺术品、理论等Third,we should discover ways to reuse water.(P41)考点5教材链接After all，we have only one earth.(P46)辨析辨析 after all，above all，first of all，in all 与与 at allafter all “毕竟；终究；到底”，表示让步。

above all “尤其是；最重要的是”，强调要引起特别注意first of all“首先”，强调次序in all “总共；总计”at all“根本，丝毫”，与 一般与 not 连用not at all”根本不 ”考点6教材链接高频话题写作指导高频话题写作指导Dear friends，_As students,we should do something to protect the environment._Dont forget to turn off the lights when we leave the room.Second,_比较级结构比较级结构more and more serious 的使用体现了环境问题的的使用体现了环境问题的严重性该句使用了该句使用了“its 形容词形容词 to do sth.”句型，使文章句式句型，使文章句式结构更加多样化结构更加多样化该句使用了该句使用了be supposed to do sth.结构，结构，when后面接动词后面接动词ing形式，使整句话显得更简洁形式，使整句话显得更简洁The 。