Unit 4 Amazing Science Topic 3 Section C 学案 2023-2024学年初中英语仁爱版九年级下上册（含答案）

Unit 4 Topic 3 Section C
【学习目标】
1.能理解The Importance of Computers这篇文章的意义,并能完成阅读理解任务。
2.能根据1a文章的内容,用100词左右复述课文。
3.能根据主题提示写一篇80词左右的作文续写。
【预习导学】
一、生词速查
1.　　 n.&v.怀疑;疑虑
2.　　 adj.极小的;微小的
3.　　 prep.在……内;在……里→ adv.在里面
4.　　 n.脑;智力;脑力
5.　　 v.取消;撤销;废止
6.　　 v.连接;把……联系起来
二、短语速记
1.无疑地　 　
2.例如 　 　
3.在……的帮助下　 　
4.下订单　 　
5.形成　 　
6.代替;而不是　 　
7.在网上　 　
三、句子速译
1.There is no doubt that computers are very useful in technology and business.
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2.In factories, robots are controlled by computers that are like human brains.
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3.Since the Internet came into being, people's lives at home have been changed, too.
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四、想一想
1.What fields are computers used in
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2.What's the main idea of this passage
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【答案】
一、
1.doubt
2.tiny
3.inside
4.brain
5.cancel
6.connect
二、
1.no doubt
2.for instance/example
3.with the help of
4.place orders
5.come into being
6.instead of
7.on the Internet
三、
1.毫无疑问电脑在技术和商业上是非常有用的。
2.在工厂里,机器人由像人脑的电脑控制。
3.自从因特网形成以来,人们家里的生活也被改变了。
四、
1.Education, business, industry, communication, medical,entertainment, etc.
2.The importance and use of computers.
【合作探究】
任务驱动一 阅读理解任务
　　◎学法指导:寻找关键信息,找到问题所在,认真核对选项,注重细节,辐射推理。
阅读文章1a,选择正确选项。
()1.What's the title of the passage
A.The History of Computers
B.The Importance of Computers
C.The Importance of Robots
D.The Improvement of Computers
()2.When were computers invented
A.In 1950.　　B.In the 1950s.
C.In 1949. D.In the 1980s.
()3.With the help of 　　　　, people can do shopping and do business at home.
A.the Internet B.letters
C.e-mails D.movies
任务驱动二 复述文章任务
　　◎学法指导:先浏览全文,然后注意空格处缺的词性,最后再结合意思补全信息。
阅读1a, 根据内容提示补全所缺信息,复述课文。
Computers are very important both in our work and in our 1.　　life.They are very 2.　　in technology and business.In space, computers are used to 3.　　the speed and direction of a puters also help 4.　　find diseases easily and solve other problems.In 5.　　, robots controlled by computers can do dangerous work for people.In 6.　　, computers are used to place and cancel orders.As for our lives, computers are used to play games or watch 7.　　 by people.Besides, people do shopping and business on the Internet.People communicate by sending e-mails and 8.　　 online.
However, there are some 9.　　 about computers, too.If people work on them too long, they may get headaches or sore eyes.If people spend too much time on computer games, they won't have enough time to study or 10.　　.In a word, computers are helpful in our daily life, but we should use them properly.
任务驱动三 写作任务
　　根据内容提示,续写一篇80词左右的作文。开头已给出,不计入总词数。
假如你在2030年里的一天,我们没有了计算机。你会遇到什么麻烦 你可能这样开始:
Today, when I got up, I just turned on the computer as usual, but it didn't work. Then I tried my brother's PC, my parents', even my dog's, but none of them worked.Later, it was reported on TV that all of the computers in the world broke down today...
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【答案】
任务驱动一
1~3　BBA
任务驱动二
1.daily　2.useful　3.control　4.doctors　5.factories　6.business　7.movies　8.chatting　9.problems　10.exercise
任务驱动三
　　Today, when I got up, I just turned on the computeras usual, but it didn't work. Then I tried my brother's PC, my parents’, even my dog's, but none of them worked.Later, it was reported on TV that all of the computers in the world broke down today...
I felt so worried because I must hand in my work plan on thecomputer this morning, or I would be punished by my head teacher.As you know, I am still a junior school student, but we all needn't go to school any more.We study on the computer every day and hand in our homework through the computer.What I feel excited is that my teachers won't know what I am doing now because the monitoring camera is out of work.I can stay in bed to have a good sleep.
However, I can't fall asleep in the bed.Will the computersstop working forever in the future or is this just a joke It's April 1st today.I hope it's only a joke of April Fool's day.But everything is uncertain.Let's wait to see the result.
【知识超市】
[命题点一]There is no doubt that的用法 　
●There is no doubt that computers are very useful in technology and business.毫无疑问计算机在科技和商业方面都是很有用的。
◎观察思考:1.There is no doubt that he is very brave.毫无疑问他是很勇敢的。
2.There is some doubt whether he will help you.他是否会帮助你是值得怀疑的。
3.There is no doubt that we are all working hard.毫无疑问,我们都很努力工作。
◎用法总结:1.There is no doubt that...意为“毫无疑问……”,that引导的是同位语从句;2.There is some doubt whether...意为“是否会有……是值得怀疑的”, whether引导的也是同位语从句。
对点自测
选择that或whether填空
1.There is no doubt 　　we are still young.
2.There is some doubt 　　they will agree to go with you.
3.The question is 　　they are the students of our school.
【答案】
1.that
2.whether
3.whether
[命题点二] not everything的用法 　
●Besides, not everything we read on the Internet is true or good for us.此外,不是我们在网上看到的一切东西都是真的或对我们有好处的。
◎观察思考:1.Not everything you see is bad for us.并非你看到的一切都是对我们有害的。
2.I don't like everything that he has done for me.并非他为我做的一切我都不喜欢。
3.Not all of us like playing on the computer.并非我们所有人都喜欢玩电脑。
◎用法总结:1.not everything意为“并不是一切事情”,表示部分否定,not跟不定代词everything, all连用时,只否定其中一部分,称为部分否定。2.在定语从句中,当先行词是something, anything, nothing和all时,只能用关系代词that引导,作宾语时,that可以省略。
对点自测
汉译英
1.我并不是这儿的一切都不喜欢。
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2.不是所有的人都是善良的。
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3.我们不是不喜欢他所做的一切事情。
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【答案】
1.I don't like everything here.
2.Not all people are kind.
3.We don't like everything he has done.
2