2021-2022学年牛津译林版英语九年级下册Unit 4 Revision I课件

9B Unit 4 Life on MarsRevision ITeaching aims:1. To review words and important phrases on the topic ;2. To review grammar in this unit;3. To do some exercises. 1. 行星 n. 2. 被污染的 adj. n. v. 3. 快的， 迅速的 adj.4. 快的， 迅速地 adv. 5. 增加 n. 6. 味道好的 adj. 7. 乘客 n8. 专门地， 特地 adv. 9. 比较 v. 10.使人不舒服的； 不舒适的 adj. Key Wordsplanetpollutedpollutionpolluterapidrapidlyincreasepassengertastyspeciallycompareuncomfortable词汇运用1. The scientists will _________ （专门地）design a kind of suit for the astronaut.2. We _________ （比较）the two watches carefully, but found nothing different. 3. How many _________ （行星） are there inn the solar system? 4. The factory dumped a lot of waste into the river and made the river _________ (被污染的）.5. The coach can carry 45 _________ (乘客）at most at a time. 6. It's hoped the company will have a good _________（增加）in international sales next year. 7. It is _____________ (comfortable) to live in such a small low house. speciallycomparedplanetspollutedpassengersincreaseuncomfortableKey Phrasestravel into spacewith the development of technologysleeping bagfeel ill float off into spaceat a/ the speed of because of the low gravitydried foodthe rapid increase in population(all) over againlarge numbers of passengerscompare to/ with connect to / with in the form of by the year 2100live on the planet Mars Barney: In my opinion , there is no life on Mars. You know, the environment there is not suitable for life at all. How can people ________________ if there is no oxygen?Gary: I don't agree with you. Our planet is becoming worse because of the rapid increase in population. _______________________________, spacecraft can travel ___________________. Some people believe that humans could live on Mars _______________. Barney: I won't agree with you until I see with my own eyes. I also know that it is hard for people to walk properly ___________________ . I am afraid we will ___________________ if we play basketball on the playground. What's more, the food will be in the form of pills. It will not be ____________ that on the Earth. Gray: Don't be so worried. Life on Mars would be better in some ways, People would have more space. They could also have more time to relax because robots would _________________. Students wouldn't have to go to school. An interplanetary network would allow them to study at online schools. live on MarsWith the development of technologyat the speed of lightby the year 2100because of low gravityfloat off into the spaceas tasty as do most of the work 完成句子1. 欢迎以钱的形式资助。 __________________________ will be welcome. 2. 据说大批的游客在五一假期去了西藏。 It's said that ____________________________ went to Tibet for the May Day holiday. 3. 高铁正以每小时250公里的速度行驶着。 The high-speed train___________________________250 kilometres per hour.4. 与地球上的生活相比，火星上的生活在有些方面要好些。 _________________________________, life on Mars would be better in some ways. 5. 由于人口急剧增长，我们的城市变得越发拥挤，污染日益严重。 Our city is becoming _______________________________ because of ___________________________. Help in the form of moneya large number of touristsis travelling at a speed of Compared with the life on the Earthmore and more crowded and pollutdthe rapid increase in population6. 这一课程经过特别设计以满足残疾儿童的需求。 The course ___________________________________ of disabled children. 7. 这些电脑中有四分之三已在昨天连接到互联网了。 ____________________________________________________the Internet yesterday.8. 地球的重力阻止了我们飘走到太空去。 The gravity on the Earth__________________________________________. 9. 人们希望在火星上能够从头再来。 It ___________________________________________________on Mars.10. 我确信火星上的生活与地球上的生活大相径庭。 I am sure that life on Mars__________________________________________. is specially designed to satisfy the needsThree quarters/ fourths of the computers were connected to prevents / stops us (from) floating off into spaceis hoped that people could start all over againis quite/ very different from that on (the) EarthGrammar一、用介词短语把状语从句换成简单句 when 所引导的时间状语从句 She started to learn drawing when she was seven. She started to learn drawing _________________ . “when+从句”转换成___________at the age of sevenat the age of … because 引导的原因状语从句People might float in space because the gravity is low.People might float in space _______________________. because of the low gravity “because +从句”转换成 _________because of … if 所引导的条件状语从句Humans cannot svrvive if there is no food, water or oxygen. Humans cannot svrvive __________________________ .without food, water or oxygen“if 的否定句”转换成 __________without二、用介词把宾语从句换成简单句Are they sure _______________________________Are they sure that space travel will be very fast? about the fast speed of space travel? be sure that … = be sure about / ofThe photos remind me that I travelled to the UK five years ago. The photos remind me______________________________.of my trip to the UK five years agoremind sb that … = remind sb of sth Are you certain that Tom is satisfied with the plan ?Are you certain __________________________________?about Tom' s satisfaction with the planbe certain that … = be certain about 常用的一些动词和介词的搭配有：remind somebody of… 使某人想起……be aware of ... 知道，意识到......be sure/certain about…对……确信be in doubt about... 怀疑......wonder about... 想知道......三、用介词把定语从句换成简单句I prefer to stay on a hotel room which has a sea view.I prefer to stay on a hotel room __________________. with a sea viewThe man who wears a blue shirt is our English teacher.The man ___________________ is our English teacher.in a blue shirtRules:adverbial clauses object clauses defining relative clauses 状语从句宾语从句定语从句at the age of, because of, without of, aboutwith, insimple sentences 简单句将下列含状语从句的复合句改为简单句1. He felt ill because he ate too much ice cream. 2. If you don't help me. I can't finish the work in time.3. When he was 3,Tom could sing 20 English songs. He felt ill because of eating too much ice cream. Without your help, I can't finish the work in time. Tom could sing 20 English songs at the age of 3. 将下列含宾语从句的复合句改为简单句1. Do you know whose car it is? (owner) Do you know ____________________________.2. Are you sure that he will arrive at the theatre? (arrival) Are you sure ____________________________? 3. Can you tell me what the word means? (meaning) Can you tell me __________________________? 4. Do you know how many birds there are in the tree? (number) Do you know _____________________________? the owner of the carabout his arrival at the theatrethe meaning of the wordthe number of the birds in the tree用介词将下列含定语从句的复合句改为简单句1. Do you know the man who is holding a book in his hand? Do you know the man ___________________________? 2. The girl who wears a red skirt is my sister. The girl ________________________ is my sister. 3. The men who carry air tanks on their backs are astronauts. The men _____________________________are astronauts.4. My English teacher is that lady who has long straight hair. That lady _______________________is my English teacher. with a book in his handin a red skirtwith air tanks on their backswith long straight hair将下列句子改为同义句1. Do you know the distance between the Earth and the Sun? Do you know _____________________________________?2. They ask how many new students there will be next year? They ask ____________________________________next year. 3. We want to know how American schools are different from Chinese schools. We want to know _____________________________________________________. 4. He was absent from school because he was ill. He was absent from school ______________________________. 5. The old man was in good health when he was 90 years old. The old man was in good health __________________________. 6. If you don't support us, we won't win the Maths competition. __________________, we won't win the Maths competition. 7. I hope to live in a big house with a swimming pool in the yard. I hope to live in a big house______________________________in the yard. 8. Are you aware what she is worried about? Are you aware _______________?how far the Earth is from the Earth about the number of the new students the differences between american schools and Chinese schoolsbcause of his illnessat the age of 90Without your supportthat/which has a swimming pool of her worriesHomework 词汇运用1. Each child needs to take _________ (dry) food and water for the trip. 2. A tent and a ________ (sleep) bed are necessary when you have to camp outside.3. — What are you thinking about ? — I am thinking about ________ (travel) into space.4. We need to wear special boots to make us heavier because there is _________ (little) gravity on Mars than on the Earth. 5. Life on Mars would be interesting and there would be no __________( pollute) there.6. There are eight ________（行星） in our solar system. 7. This coach can carry 45 ________ （乘客）at most at a time. 8. The factory dumped lots of waste into the river and made the river_____（被污染的).9. Never ________ （比较） your life with others'. Every dog has its day. 10. Some actions must be taken to control the _______ （增加） in pollution. 动词填空1.You cannot imagine how much difficulty the company had ________(offer)the graduates more job chances2.Don’t worry. The dream you are looking forward to now _________(realize) later in life.3.An elderly couple as well as a child _________(notice) to enter the building just now.4.—Can I use the computer to search for information now? —Of course, we ________(repair) it. Help yourself!5.Amy’s mother regrets ________(not buy) the flat in the city center. The housing prices are rising all the time.6.The purpose of new Technology is to make life we have been used to easier, __________ (not make) it more difficult.7.—How did the accident happen? —You know it was difficult to see clearly because it________ (rain) heavily. 8. We do believe that our future life will get better and better since science and technology ________ (develop) all the time. 9B Unit 4 Life on Mars课堂设计说明 本课是9B Unit4 复习课的第一课时， 涵盖了从welcome to the unit 到 grammar的重要内容。本课主要采用讲解与练习的形式， 帮助学生梳理知识点， 并通过字、词、句，由浅入深的练习巩固知识点， 让学生学会在不同的题型中灵活运用知识点，培养学生的英语应用意识，激发学生成功学习英语的自信心。同时结合中考要求，有针对性的进行课堂练习和课后练习， 让学生能够得到适应性训练， 培养学生的应试能力。 这个单元的主题是在火星上生活。本节课从四会单词入手， 先帮助学生复习重点单词的读音、拼写、词性， 词义， 再通过单词拼写练习让学生在不同的语境中进一步巩固单词的用法, 将基础单词夯实。词汇运用这个练习呈现了关键词的圈划， 教给学生找关键词的技巧， 比如填写名词类单词要注意寻找数量有关的关键词；动词类单词要注意固定词组搭配和时间状语类的关键词； 需要体会语境的题目要找到一些与填空部分有关的信息。在训练基础题型时， 掌握一定的做题技巧是很有必要的，这样做的目的是想让学生在自主练习时重视细节， 提高做题效率。 接下来复习了重点词组， 先还原词组，再加以练习，学生通过阅读一段对话， 在理解整个语篇的基础之上，选择合适的词组填入，对话内容是讨论火星上的生活，这和本单元Reading 的内容有联系，这个练习既能帮助学生回忆与课文内容相关的知识点，也能锻炼学生的阅读分析能力。 通过前面两个版块的练习，学生基本能够掌握单词和短语了，这为接下来的完成句子练习打好了基础。这个题型是中考的常见题型， 考察学生的语言综合运用能力。学生需要分 析题目的中英文部分，联想相关词组，结合句子结构及语意判断填入部分的时态、语态。设计这个练习也是为了磨炼学生的做题能力，解决学生平时在试卷中可能会遇到的问题。 语法版块复习了将状语从句、宾语从句、和定语从句改写成简单句。先展示例句， 学生可以通过例题自己找到规律，再根据老师提供的归纳方法进行课堂练习。课堂练习是有坡度的， 先仿照例题分别改写三类从句， 再以句型转换的题型综合考察三个从句改写的掌握情况。句型转换主要考查学生对句子结构的构成，变化等方面的运用能力，初三主要学习的三个重要复合句句型也在第四单元全部呈现，通过改写简单句可以让学生把前后知识串联起来， 扩大复习面。 回家作业部分根据中考要求布置了两个基础题型，词汇部分和动词填空的练习主要是为了巩固本课复习的单词和词组，锤炼应试技能， 及时掌握自己的学情。 这节复习课另外配备了任务学习单，学生可以根据任务单上的K版块预习课堂内容，这有助于学生熟练掌握基础知识，提高课堂效率。在W 版块记录自己复习过程中的疑惑，方便课后思考， 作为自己的复习重难点。 L 版块帮助学生进行同步课堂练习， 有助于课后进行错题复习。最后的反馈部分可以让学生养成及时总结的习惯，对于自己能够掌握的和还未掌握到位的知识点做到心中有数。