八年级英语外研版下册Module3 知识点ppt课件.pptx

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1、Module3 Journey to space,知识点课件,Unit 1Has it arrived yet?,知识点一no problem的用法教材原文Sure,no problem.当然,没问题。no problem是常见的口语表达,意为“没问题”,用于回应他人的求助或请求。Could you please close the window,Mike?迈克,请你关上窗户,好吗?No problem.没问题。,例(2017山东临沂中考)Could you please take out the rubbish?.But I want to drink a cup of water firs

2、t.A.Thank youB.Sure,no problemC.Youre welcomeD.No,I cant,解析本题考查交际用语。问句的含义是“请你把垃圾倒了,好吗”,根据答语中的“但是我想先喝杯水”可推断,所缺的句子是B。,答案B,知识点二news的用法教材原文Have you heard the latest news?你听说最新的消息了吗?本句中的news是不可数名词,意为“新闻;消息”。a piece of news表示“一则新闻”。Id like to tell you some news about the singer.我想告诉你一些关于那名歌手的新闻。,例(2017黑龙江

3、齐齐哈尔中考)The 24th Winter Olympics will be held in China in 2022.good news it is!A.WhatB.What aC.How,解析news是不可数名词,根据“What+形容词+不可数名词(+it is)!”的结构可知答案为A。,答案A,知识点三Thats why.的句式教材原文Thats why its on the news.那就是它(宇宙飞船)上新闻的原因。Thats why.表示“那就是的原因”,其中why引导表语从句。Thats why I dont like animals.那就是我不喜欢动物的原因。,例(2017

4、天津红桥区期中)You have spent too much time playing com-puter games.Thatsyour eyes hurt.A.whyB.howC.whatD.when,解析句意:你花太多时间玩电脑游戏了,那就是你眼睛疼的原因。故所缺的词是why。,答案A,知识点四discover的用法教材原文So have they discovered life on Mars?那他们在火星上发现生命了吗?discover作动词,意为“发现;找到;查明”。Columbus discovered America in 1492.哥伦布在1492年发现了美洲。辨析disc

5、over与invent,解析本题考查动词的词义辨析。discover发现;organize组织;invent发明;achieve完成。结合本题语境可知,那名17岁高中生正努力“发明”一个能够像人一样思考的机器人。故所缺的词是invent。,答案C,知识点五in order to的用法教材原文Lots of scientists are working hard in order to send astronauts to Mars one day.许多科学家正努力工作,为的是有朝一日送宇航员去火星。in order to是固定搭配,意为“目的是;以便”,后跟动词原形,用于引出目的状语。in o

6、rder to do sth.可以和so that,in order that引导的目的状语从句进行同义转换。We started early in order to arrive before dark.=We started early so that we could arrive before dark.=We started early in order that we could arrive before dark.为了在天黑前到达,我们很早就动身了。,例(2017山东滨州三校第一次月考)Tom works hardearn(挣)more money.A.in order tha

7、tB.in order toC.so thatD.as if,解析本题考查in order to的用法。句意:汤姆努力工作,为的是赚更多的钱。in order to表示“为的是”,后跟动词原形。,答案B,知识点六search for的用法教材原文You can go online to search for information.你可以上网搜索信息。search for是固定搭配,意为“搜寻;寻找”,其中search作动词,意为“搜寻”。They are busy searching for the missing children.他们忙于寻找那些失踪儿童。辨析search与search

8、for,例(2017安徽合肥瑶海区期中)Hearing the news,more and more peo-ple started tothe lost child.A.search forB.take awayC.lift upD.look after,解析四个选项的含义分别是:search for搜寻;take away解除;lift up举起;look after照顾。结合本题语境可知,听到这个消息,越来越多的人开始搜寻那个失踪的孩子,故答案为A。,答案A,知识点七there be 句型的现在完成时教材原文Scientists think that there has been lif

9、e on the earth for hun-dreds of millions of years.科学家们认为地球上的生命已经有亿万年的历史了。there has been life on the earth为there be句型的现在完成时,结构为“there have/has been+主语+地点状语”。There have been three clubs in our school.在我们学校已经有三个俱乐部了。,Unit 2We have not found life on any other planets yet.,例It is said that therelots of s

10、tars in the sky for millions of years.Do you think so?A.areB.wereC.will beD.have been,解析考查there be句型的现在完成时。结构是“there have/has been.”,故答案为D。,答案D,知识点八约数表达法hundreds of意为“成百上千的;数以百计的”;millions of意为“数以百万计的”,它们都属于约数,表达模糊的数字概念。Each year,hundreds of animals are killed in this way.每年都有数以百计的动物被这样杀掉。The proble

11、m is that millions of people are unemployed.问题是数百万人都失业了。拓展延伸thousand、billion也有这样的搭配。thousands of意为“成千上万的;数以千计的”;billions of意为“数十亿的”。Thousands of people went to see them off at the station.成千上万的人去车站给他们送行了。,温馨提示This fossil may be over two million years old.这块化石可能超过两百万年了。,例(2017天津蓟州区期中)Our school is no

12、t very big.There are about threestudents in it.A.hundredsB.hundreds ofC.hundred ofD.hundred,解析设空前有具体数字three,故要用hundred的单数形式,而且其后也不加of。,答案D,知识点九一般现在时的被动语态教材原文The sun and its planets are called the solar system.太阳和它的行星被称为太阳系are called是一般现在时的被动语态,表示“被称为”。一般现在时的被动语态的结构是“am/is/are+过去分词”。The flowers are w

13、atered by my grandfather every day.我爷爷每天都浇花。,例(2018黑龙江绥化中考)改为被动语态People drink Chinese tea all over the world.Chinese tea all over the world.,解析本题考查一般现在时的被动语态,对应的结构是am/is/are+过去分词。,答案is drunk,知识点十impossible的用法教材原文It is impossible to imagine.这是不可能想象到的。impossible作形容词,意为“不可能的”,它是由possible加否定前缀构成的派生词。Its

14、 impossible to get everybody together at the same time.让所有人同时聚在一起是不可能的。You shouldnt promise whats impossible.你不该许诺不可能的事情。,例(2018四川广安邻水期末)根据汉语提示写出所缺的单词Its(不可能的)for us to finish the work in such a short time.,解析本题考查impossible的写法。,答案impossible,知识点十一communicate with sb.的搭配教材原文Why has no one communicated

15、 with us?为什么还没有人和我们联系呢?communicate with sb.表示“和某人交流/沟通”,其中communicate作动词,意为“交流;沟通”。Parents often find it difficult to communicate with their children.父母们常会发现跟他们的孩子沟通很难。拓展延伸派生词:communication n.交流;沟通Communication between the old and the young is not so difficult as you think.老年人和年轻人之间的交流没有你想的那样困难。,例(2

16、016山东菏泽中考)Today,WeChat(微信)becomes very popular,and more and more people like to use it toeach other.A.depend onB.communicate withC.believe in,解析句意:现在,微信变得很流行,越来越多的人喜欢使用微信相互交流。本题考查动词短语。depend on依靠;communicate with 交流;believe in相信。根据句意可知答案为B。,答案B,Unit 3Language in use,知识点十二be named after的搭配教材原文For exa

17、mple,in English,Saturday is named after the planet Sat-urn,the sixth planet from the sun.例如,英语里星期六就是以太阳系的第六颗行星土星命名的。be named after表示“以命名”。The city is named after the national hero.这座城市以这位民族英雄的名字命名。,例The street is namedthe hero.A.forB.asC.afterD.with,解析本题考查be named after的搭配。句意:这条街以这位英雄的名字命名。故答案为C。,答案

18、C,现在完成时(2)本模块的语法知识还是现在完成时,不过本模块侧重讲现在完成时的标志词以及该时态和一般过去时的区别。1.以already、just或yet为标志already、just或yet 分别表示到现在为止动作或状态已经、刚刚或还没有发生。He has already got her help.他已经得到了她的帮助。He has just seen the film.他刚刚看过这场电影。He hasnt come back yet.他还没有回来。2.以ever或never为标志,ever和never分别表示到现在为止动作或状态曾经或从来没有发生过。This is the best fil

19、m I have ever seen.这是我曾经看过的最好的一部电影。He has never been to Beijing.他从没有去过北京。3.现在完成时与一般过去时的区别两种时态除结构、句式和相搭配的时间状语都不同之外,最重要的就是意义不同。虽然都发生在过去,但现在完成时强调的是过去的动作对现在的影响,而一般过去时与现在没有任何关系,只是描述一个发生在过去的事实而已。试比较:I have seen the film.我看过这部电影。(对现在的影响是我了解这部电影的内容),解析本题考查动词时态。根据ten minutes ago可知时态要用一般过去时,故答案为A。,答案A,例2(2018

20、四川成都新都区期末)My English teacher came to our school in 2008.Hehere for ten years.A.livedB.will liveC.has lived,解析根据本题语境可知,我的英语老师在这里已经住了十年了,再根据for ten years可知,时态是现在完成时,故答案为C。,答案C,already与yet,I have already called the police.我已经报警了。Have you finished your homework yet?你写完作业了吗?,例(2018广西桂林一中期中)Has it arrived

21、?Yes,it has arrived.A.yet;yet B.already;yetC.already;alreadyD.yet;already,解析本题考查yet和already的区别。yet用在疑问句或否定句中,al-ready用在肯定句中,故答案为D。,答案D,get、arrive与reach,I will get to Beijing in two days.=I will arrive in Beijing in two days.=I will reach Beijing in two days.我将在两天后到达北京。,例(2018广东佛山顺德区第14周教研联盟测式)When w

22、ill Mr.GreenBeijing?In a week.A.reachB.getC.arriveD.come,解析本题考查reach、get、arrive和come的区别。四个选项中,只有reach是及物动词,其后可以直接跟地点名词,故答案为A。,答案A,all、both、either、neither与none,All of my friends like him.我所有的朋友都喜欢他。There are shops on both sides of the street.街道两边都有商店。,Both Lisa and Mike are interested in pop music.莉萨

23、和迈克都对流行音乐感兴趣。Neither of them felt like going back to sleep.他俩都不想回去睡觉。I invited some of my classmates to my party,but none of them accepted my invitation.我邀请了我的一些同学来参加我的聚会,但是他们中没有一个人接受我的邀请。,例(2017山东青岛中考)Can I come today or tomorrow?is OK.Im busy today and tomorrow.A.EitherB.NeitherC.EachD.None,解析问句问的是“我能今天来还是明天来”,根据答语中的“我今天和明天都很忙”可推断,今天和明天都不行,故所缺的词是Neither。,答案B,

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