人教版英语选修七Unit-3-Under-the-sea知识点课件33张.pptx-(课件无音视频)

1、Book 7Unit 3Under the sea1.witness vt.当场见到;目击n.目击者;证人;证据教材原句教材原句I thought,at the time,that this was just a story but then I witnessed (witness)it with my own eyes many times.同义句转换同义句转换Great changes have taken place in China in the past ten years.The past ten yearshave witnessed the great changes in

2、China.重点单词写作微练写作微练我们的城市见证了四个不同的季节。Our city witnesses four different seasons.这次活动已经见证了我们的友谊。(2016天津)This activity has witnessed our friendship.点拨点拨be(a)witness to sth.是的目击者;为提供证据witness sth.亲眼看见某事bear/give witness to sth.为作证;证明联想英语中常使用拟人修辞手法的句子,主语通常是时间、地点或心爱之物,如车、船等名词,谓语动词常为witness,see,find等。2.urge v

3、t.催促;极力主张;驱策 n.冲动教材原句教材原句“Man overboard!Turn the boat around!”urged (urge)George,shouting loudly.单句填空单句填空They urged that the library(should)be kept (keep)open during the vacation.In this box are some stem cells that areurgently (urgent)needed for a patient.(2016课标全国改编)I never felt an urge to learn a

4、ny sign language before.(2017课标全国)句型转换句型转换We are urged to read as many books in English as possible.It is urged that we(should)read as many books in English as possible .(用it作形式主语改写)点拨点拨(1)urge sb.to do sth.催促某人做某事urge sb.on鼓励某人urge that sb.(should)do sth.呼吁某人做urge sth.竭力主张某事(2)have an urge to do st

5、h.渴望做某事(3)urgent adj.紧迫的,紧急的(4)urgently adv.迫切地;紧急地(5)urgency n.紧急;紧急的事联想“渴望做某事”的其他表达:be eager to do sth.,be anxious to do sth.,long to do sth.,desire to do sth.,be dying to do sth.,dream of doing sth.3.abandon vt.抛弃;放弃;中止n.放任;放纵教材原句教材原句From Jamess face,I could see he was terrified of being abandone

6、d (abandon)by us.语法填空语法填空Unluckily,Tom was abandoned (abandon)by his cruel parents.Eventually the abandoned (abandon)boy felt hopeless,abandoning himself to playing (play)computer games every day.同义句转换同义句转换He abandoned himself to reading novels and failed the exam.Abandoning himself to reading novel

7、s ,he failed the exam.(用现在分词短语作状语)单句改错单句改错Wang collected more than 7 million abandoning bricks of different ages.(2018课标全国)abandoningabandoned 点拨点拨(1)abandon ones hope/plan/idea放弃某人的希望/计划/主意abandon oneself to.沉湎于;陷入(2)abandoned adj.被抛弃的;无约束的;放荡的(3)with abandon放纵地;尽情地4.reflect vi.思考 vt.映射;反射;思考教材原句教材

8、原句Im sitting in the warm night air with a cold drink in my hand and reflect-ing on the daya day of pure magic!单句填空单句填空In these cultures,silence is a call forreflection (reflect).(2016课标全国)All riders are equipped with reflective (reflect)vests and safety lights.(2018课标全国)写作微练写作微练有人主张我们应该经常反思我们对地球的所作所

9、为。(2016北京书面表达)Someone urges that we should often reflect on what we have done to the earth.点拨点拨(1)reflect sth.in(在中)反射某物reflect on/upon sth.认真思考某事reflect that.表达(意见)(2)reflection n.反射;反映;映像be a reflection on sb./sth.是某人/物的反映on/upon reflection仔细考虑后,经过思考(3)reflective adj.反射热的,反光的;深思的,沉思的5.aware adj.意识

10、到的,知道的;察觉到的教材原句教材原句The first thing I became aware of was all the vivid colours surround-ing me.单句填空单句填空UNESCO recently set April 30 as a day to raise awareness (aware)of jazz music,its significance,and its potential as a unifying(联合)voice across cultures.(2017课标全国)Everybody can buy takeaway food,but

11、 sometimes were not aware how cheaply we can make this food ourselves.(2018课标全国)一句多译通过这项活动,你会意识到保护中国传统文化的重要性。Through this activity,you will realizethe importance of preservingtraditional Chinese culture.(realize)you will be aware ofthe importance of preservingtraditional Chinese culture.(aware)点拨点拨(

12、1)be/become aware of知道,意识到be aware that.明白;意识到make sb.aware of使某人意识到so/as far as I am aware就我所知(2)awareness n.认识,意识help(.)out 帮助(某人)摆脱困境或危难教材原句教材原句What evidence was there that Old Tom was helping the whalers out?有什么证据证明老汤姆正在帮助捕鲸者摆脱困境?重点短语语法填空语法填空Tom is my good friend,who is always helping me out whe

13、never I am in trouble.In the last three months,he has been helping me(to)learn (learn)English.With his help,my English has become much better.All in all,he is a helpful (help)boy.写作微练写作微练每次我遇到麻烦,他都会帮我摆脱困境。Every time I am in trouble,he will help me out.如果方便的话,你能帮我修改一下申请书吗?If it is convenient,would yo

14、u please help me(to)correct the application?单句改错单句改错I was so busy that I couldnt help solving the problem.solving(to)solve 点拨点拨(1)help sb.with/(to)do sth.帮助某人某事/做某事cant help doing sth.忍不住做某事cant help(to)do sth.不能帮忙做某事cant help but do sth.忍不住做某事(2)with the help of sb.=with sb.s help 在某人的帮助下without/bu

15、t for ones help 要不是某人的帮助(3)helpful adj.乐于助人的1.when引导定语从句教材原句教材原句It was a time when the killer whales,or“killers”as they were then called,helped the whalers catch the baleen whales that were on their annu-al migration.重点句型单句填空单句填空It is a long timesince I graduated from college.It will be two years be

16、fore we can see each other again.It was two days laterthat I received his gift for my birthday.Some language experts believe that 10,000 years ago,when the world had just five to ten million people,they spoke perhaps 12,000 lan-guages between them.(2018课标全国)写作微练写作微练曾经一度我缺乏自信心,这让父母很担心。There was a tim

17、e when I lacked confidence,which made my parents very worried.不久这儿将举行一个摄影展。(2016课标全国)It wont be long before a photography show is held here.单句改错单句改错Never will I forget the time which you helped me get through the terrible days.whichwhen 点拨点拨(1)It/This/That/There was a time when.曾经一度(那时),when引导定语从句。(

18、2)There are times when.有时候联想It be+时间点+when从句,表示“某个时间发生了某事”。It be+时间段+since从句,表示“从某事发生以来有多久了”。It+would be/will be+时间段+before从句,表示“还有多久某事会发生”。It is/was+时间状语+that.是强调句型,对时间状语进行强调。2.where引导地点状语从句教材原句教材原句The water was quite shallow but where the reef ended,there was a steep drop to the sandy ocean floor.

19、完成句子完成句子They will gowhere they are happy (他们快乐的地方).Make a mark where you have any questions (在你有疑问的地方).Where there is life (有生命的地方),there is hope.写作微练写作微练正如谚语所说的,“有志者事竟成”。Just as the saying goes,“Where there is a will,there is a way.”单句改错单句改错I joined an English club last month there I made many new friends.therewhere 点拨点拨where.,there be.意为“在的地方有”,where引导地点状语从句。联想wherever“在任何地方;无论何处”,也可引导地点状语从句。