【单元一遍过】Unit 4 Amazing Science-2022-2023学年初中英语仁爱版九年级上册复习课件

这是一份【单元一遍过】Unit 4 Amazing Science-2022-2023学年初中英语仁爱版九年级上册复习课件，共40页。
仁爱九年级上册Unit 4 Amazing Science1、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 aims1.Review the key words, phrases and sentence patterns.2. Review this unit knowledge and key grammar.3. Master the topic writing in this unitUnit4 Amazing Science词汇拓展inventthinkdescriptiondoubtcertainlywonderwonderfulprovedbad/badlyfifthswhomwhose二、重点词组短语 Topic11．允许某人做某事_____________________.2．花时间做某事____________________3．把……出示给…… ________________4．由……制成___________________5．用来做……___________________6．进入太空______________________allow sb.to do sthspend...in doing sth./ on sth.show...to...be made of/frombe used for doing/ to dogo into space7．实现__________________8．把……送入…… ________________9．发生_________________10．嘲笑__________________11．在任何时候_______________12．剩下的时间_____________________come truesend...into...come aboutlaugh atat any timethe rest of the timeUnit4 Topic21．在太空______________2．火星上______________3．在外层空间，外太空______________4．以……命名_______________5．相隔____________________6．被……覆盖__________________in spaceon Marsin outer spacename afterat a distance ofbe covered by7．登上火星_________________8．进展顺利_____________________9．淋浴________________________10．值得做某事___________________11．搜寻12．因某事/物佩服某人land on Marsgo wellhave a showerbe worth doingsearch foradmire sb.for sth.Unit4 Topic31．走进太空旅行____________________2．在过去的几年里___________________3．实现你的梦想______________________4．例如_______________________5．肯定，确定____________________travel into spacein the past few yearsrealize/ achieve your dreamfor instance/for examplefor certain6．独自地，独立地____________________7．做家务_____________________8．警告某人不要做某事._______________________9．在……的帮助下__________________________10．下定决心做某事_____________________.11．让某人持续做某事______________________on one’s owndo the houseworkwarn sb.not to do sthwith the help of/with one’s helpmake up one’s mind to do sthkeep sb.doingsth.12．下订单和取消订单__________________13．对……感到惊讶_____________________14．保持安静_________________15．颐和园__________________16．一束花___________________place and cancel ordersbe surprised atkeep silentthe Summer Palacea bunch of flowers情景交际三、知识点解析1．I was not allowed to play computer games last night.昨天晚上我不被允许玩电脑游戏。be(not) allowed to do sth.(不)被允许做某事 上高中时我不被允许10点以后还不回家。I was not allowed to stay out past ten when I was in high school.3．It’s said that he invented more than two thousand things during his life.据说他一生中发明了两千多件东西。It’s said that...据说……据说他将去国外学习。It’s said that he will study abroad.It is said (reported) that ...该句型中的 it 仍是形式主语，真正主语是 that 引导的主语从句。 知识点解析重点知识点讲解4.1.Who will take part in the space flight? 谁会参加这次飞行？take part in 参加会议或群众性活动等，着重说明主语参加该活动并在活动中发挥作用。We often take part in physical labor. join 参加某一组织团体、党派，成为其中一员，或和某人一起做事情。When did your brother join the army? He’ll join us in singing the song. join in 多指参加小规模的活动，如“球赛、游戏”等。 常用于日常口语。Come along , and join in the ball games. 5. Its diameter is 53% as wide as that of the earth.它的直径是地球直径的53%。 6 . The gravity on the surface of Mars is about two-fifths as strong as it is on earth.火星表面 的引力大约是地球引力的五分之二。 倍数(分数)+ as +adj.+as ……的几倍 7. Mars goes around the sun at a distance of about 228 million kilometers.火星在距太阳约 228 000 000千米处环绕着太阳转。 at a distance of …有 ……距离 8．So a person who weighs 90 kilos on earth weighs only 36 kilos on Mars.所以一个在地球上重90公斤的人在火星上只有36公斤重。weigh v．称；称……的重量它们重大约1,000磅。They weigh about 1,000 pounds.知识点解析知识点解析9．It has been two days since we landed on Mars.自从我们登上火星已经有两天了。自……以来多长时间了It has been＋一段时间＋since 从句我们开业已有三年时间了。It’s been three years since we started business.It has been＋一段时间＋since ＋ 从句，经常写成It is＋一段时间＋since＋从句知识点解析10．So I advise you to discover new ways to make computers serve us better.所以我建议你去探索新方法使电脑更好地服务我们。advise sb.(not) to do sth.建议某人(不)做某事(1)advise “建议”，是动词，常见结构有advise sb.to do (＋that从句)；(2)advice “建议”，是不可数名词，suggestion “建议”，是可数名词。 知识点解析11．There is no doubt that computers are very useful in technology and business.毫无疑问，电脑在科技与商业领域都是非常有用的。no doubt无疑地毫无疑问，他一定会成功。There is no doubt of his success.(1)doubt＋whether/if从句，“对某事是否……有疑问”，用于肯定句，其中if从句显得更随便；(2)doubt＋that从句，“对……一事有怀疑”，通常用于否定句、疑问句。知识点解析12．The scientist also warns that if we are lucky，they might treat us as we now treat our pets.科学家也警告，如果我们幸运，也许他们对待我们会像我们现在对待我们的宠物一样。warn v．警告，告诫我设法提醒过他，可他就是不听。I tried to warn him, but he wouldn’t listen.知识点解析(1)warn sb.(not) to do sth.告诫某人(不)做某事；(2)warn sb.off (sth.) (尤指以威胁的方式)叫……离开，告诫……不要靠近。The doctor warned me against drinking.(同义替换)The doctor warned me not to drink.知识点解析一般过去时态的被动语态【要点1】　一般过去时态的被动语态的构成：was/were＋动词过去分词。如：The light bulb was invented by Thomas Edison in 1879．The new cars were made in Shanghai in 2008．【要点2】　通常只有及物动词才有被动语态，但有些动词短语在用法上相当于及物动词，所以也有被动语态。如：The old man was looked after well.The doctor has been sent for.一般将来时的被动语态及含有情态动词的被动语态【要点1】　一般将来时的被动语态的一般构成：will be＋动词的过去分词。如：Li Ming will be asked to attend the lecture.The bridge will be built next year.【要点2】　含有情态动词的被动语态的结构：情态动词＋be＋动词的过去分词。如：The books may be kept for two weeks by you.Your camera can’t be taken into the museum.【要点3】　如果主动句中的宾语补足语是不带to的不定式，那么，在其变成被动句中的主语补足语时，to不能省略。如：She heard him sing a song just now.→He was heard to sing a song just now.定语从句(一)【要点1】　了解定语从句的几个概念：在复合句中修饰名词或代词、起定语作用的从句叫作定语从句。定语从句只作为句子的一个成分，起修饰和说明的作用，不能独立存在。被定语从句修饰的名词或代词叫作先行词。先行词一般出现在定语从句的前面。定语从句由关系词引导，关系词一般有3个作用：(1)连接作用，引导定语从句；(2)代替先行词；(3)在定语从句中充当某一成分。He is the man (whom/that) I saw yesterday.(man 为先行词；whom/that为关系代词，在从句中作宾语)Who物主语，宾语定语从句结构：先行词+关系词+定语从句 ( )1. ---These bananas look different and they are sweet. ---Right. They ____ here from Taiwan yesterday. A. was brought B. were brought C. bring D. are brought ( )2. ---Mom, may I go out to play football this afternoon? ---You can, if your homework _____. A. is finished B. will finish C. has finished D. will be finished ( )3. A talk on development in science _____ next week. A. is given B. was given C. has given D. will be given ( )4. This kind of desk ____ of wood. A. is making B. made C. is made D. makes ( )5. The doctor looked over Peter carefully after he _____ to the hospital . A. takes B. is taken C. took D. was taken ExercisesBADCD( ) 1.The number of people ____ lost their lives in Indonesian earthquake reached as many as 6200. A. which B. who C. Whom ( ) 2.---Have you been to the new Sports Center _____ is just opened in town? ---No, not yet. A. where B. who C. that ( ) 3.This is a new museum ______ was built last year. A. when B. who C. which( ) 4.Do you know the girl _____ is singing on the stage? A. who B. what C. which ReviewBCCA话题写作：