最新九年级英语上册Unit4Topic2SectionC仁爱版课件.ppt

Unit 4 Amazing ScienceTopic 2 When was it invented?【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件Amazing Science Would you like to say something about them ?ComputerInvent/in America/in 1946Shenzhou ⅥLaunch /in China/in 2005CloningExperiment/Dolly/DNA【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件Look and thinkRobots —Our Servants in the Future?Hello! We are your friends. We can help you do dangerous and difficult work.【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件Have you ever seen a robot? Would you like to describe it for us?【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件1.Do you think that robots will be part of our lives in the future?2.Robots are meant to be our servants, aren’t they?3.Do you think robots can think or act for themselves?4.Why does the title have a question mark?Read the passage and discuss the questions with your partner.【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件Find and circle the words in 1a according to the following meanings, then write them down.1. to tell somebody that something bad or dangerous may happen so that they can prevent it ( )2. to make something happen or appear（　　　）3. a person who is paid to do house work for a family （　　　）4. sure and confident, without any doubts（　　　）5. to behave in a special way towards somebody or something ( )warncauseservantcertaintreat【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件1. No one knows for certain.没有人确切地知道。

no one 与none探究学习探究学习a. no one 用来指人，其后不能接of 短语，用做主语时，谓语动词用单数No one likes a person with bad manners.b. none 既能指人又能指物，其后可以接of 短语，当of后是可数名词复数时，谓语动词用单、复数均可None of the students is /are in the classroom.c. 特别注意：① —— How many people are there in that room? —— None.② —— Who is in that room now? —— No one.—— How much will the car cost？ —— I can’t say for certain. for certain 确切地【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件2. all the time =always 一直，总是3. be surprised at /by…对…… 感到惊讶 be surprised to do sth.4.Once robots can think for themselves, problems may appear. once 在这用作连词，意为“一旦……就……”,引导时间状语从句。

think for oneself 独立思考 探究学习探究学习The boy listened to the radio all the time.The foreign visitors were surprised at the great wonders. I was surprised to hear I had passed the exam.Once you get used to it, you will like it.I often teach my students to think for themselves.【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件5.One scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our masters. a. warn warn sb. ( not) to do.告诫某人 (不）做某事 warn sb. about /of sth. 警告某人注意某事 b. no longer = not …any longer no more = not … any more 6. They might treat us as we now treat pets.他们可能会像我们现在对待宠物那样对待我们。

a. might 是may 的过去式，可用于指过去，也可用于指现在， 但语气缓和、委婉 b. treat … as … 以 ……方式对待……/把…… 看做……探究学习探究学习【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件7. be meant to do sth. 应该做某事8. in the medical field 在医学领域 field 有“学科，领域，专业”等含义9. make a contribution /contributions to … 为……做贡献注意： make a contribution /contributions to doing sth. 10. have an effect/ effects on … 对……有影响探究学习探究学习 I think the police are meant to protect people.He made great contributions to science.We should make a contribution to protecting the environment. Playing computer games too much has a bad effect on health.【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件Listen to 1a and try to retell the passage. Robots Part of our livesServantsDo dangerous and difficult workThink and act for themselvesMastersLucky ——petsUnlucky——a war(录音录音)【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件greatlymedicalhealthinsidediscoveringeffectsListen to the tape and fill in the blanks. For more than 100 years, people’s lives have been changed ______ by inventions. For example, the X-ray machine is a wonderful invention in the ______ field. It has made a great contribution to humans' ______. With its help, doctors can examine the ______ of their patients’ bodies. It is used for __________ illnesses. But it also has bad ______ on our health. So the X-ray machine should be used carefully.(录音录音)【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件 一、根据汉语意思补全英语句子。

一、根据汉语意思补全英语句子1.没人确切地知道我们的未来是什么样子No one knows ___ ______ what our future _____ _____ _____.2.机器人会一直像佣人那样为我们工作吗？Do robots ______ ______us like _______ all the time?3.人们对机器人的快速发展感到惊讶People _____ ________ _____ the rapid development of robots.4.我想，有一天机器人会有自己的思维的I think that robots _____ _____ _____ ________ some day.5.X光机器已为人类做出了贡献X-ray machines _____ ____ ____ __________ ____ human beings.for certainwill bework forservantsare surprised atwill think for themselveshas made great contributions tolike【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件 二、选择所给词组的适当形式填空。

二、选择所给词组的适当形式填空词组：between…and…; no longer; for certain; treat…as; have bad effects on1.We ______ robots ______ our pets at present.2.The X-ray machine also ________________ people’s health.3.He is ___________patient with us. He is easily annoyed (恼怒的).4.That movie is about a war _______ the robots _____ humans beings.5.Do you know the answer ___________? treat ashas bad effects onno longerbetween andfor certain【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件三、用所给三、用所给词词的适当形式填空。

的适当形式填空1.We __________ (warn) not to play soccer in the street.2.I hope our difficulties will soon _______ (appear).3.The boss is so ________ (friendly) to his workers that none of them want to work for him for long.4.Hearing the ________ news, all of us felt _______ (excite).5.The U.S.A. is ___________ (develop) than any other country in the world.are warneddisappearunfriendlyexciting excitedmore developed【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件四，选择正确的答案 ( )1.The workers made great contributions ______the tall building. A. to build B. to building C. build ( )2.___of the students are playing outside, for it’s raining. A. No one B. None C. Someone ( )3.The policeman warns the boys ____ on the street. A. to play B. not to play C. don’t to play ( ) 4. The little boy _____when he saw his mother. A. cried any longer B. didn’t cry any more C. cry no more ( )5.Animals ____our friends. A. should be treated as B. treat as C. are treated by ( )6. We are ___ to hear the _____ news. A. surprised; surprised B. surprising; surprised C. surprised; surprisingBBBBAC【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件五，按要求完成句子。

五，按要求完成句子1.What will our future be like?（写出同义句） ________ will our future ______?2.No one knows for certain who will take the place of Mr.Lee.（写出附加疑问句） No one knows for certain who will take the place of Mr.Lee,_____ ______?3.You are no longer a little boy.（写出同义句） You ______ a little boy ______ ________.4.Robots will be friendly to us.（用unfriendly写选择疑问句） Will robots be friendly ________ ________ to us?5.Jim will come back home in a few days.（对画线部分提问） ______ _______ will Jim come back home? How bedo theyaren’t any longeror unfriendlyHow soon(does he)【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件Read and know more about robots, then discuss together. Robots are everywhere. They have been in space, under the ocean, and inside volcanoes. What do you suppose the future of robots be like? In the future, robots may look, talk and walk just like people do. Some scientists say you may even have robotic friends in a few years, but for this to happen, robots must be able to feel and have emotions. Scientists have already made robots that can act like animals. “Robots will be much more like humans in the future,” a professor said. Will robots take over the world? Most scientists don’t think this will happen. At least that is until robots can think. If a robot can’t think, it can only do what it’s told to do by people, so we don’t need to worry yet.Will you worry about robots? Why?【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件 Design a robot. Write a passage about it. The following questions may help you.1. What’s its name?2. What does it look like?3. What can it do for us?4. Can it think for itself?5. What are its advantages and disadvantages? Here is a robot ... __________________________________________________________________________________________... In short, this robot is very useful to us.【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件Homework:Write a short passage to introduce your own invention.【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件(录音录音)【最新】九年级英语上册 Unit4 Topic2 Section C 仁爱版 课件。