湖南省耒阳市冠湘中学九年级英语上册 unit 4 topic 1 when was it invented section c课件 （新版）仁爱版

Unit 4 Amazing ScienceUnit 4 Amazing Science Topic 2 Topic 2 When was it When was it inventinvented?ed? Amazing Science Would you like to say something about them ? ComputerInvent/in America/in 1946 Shenzhou Launch /in China/in 2005 CloningExperiment/Dolly/DNA Look and understand Robots Our Servants in the Future? Hello! We are your friends. We can help you do dangerous and difficult work. Have you ever seen a robot? Would you like to describe it for us? 1.Do you think that robots will be part of our lives in the future? 2.Robots are meant to be our servants, arent 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. 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 ( ) warn cause servant certain treat 1. No one knows for certain.没有人确切地知道。 no one 与none 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： How many people are there in that room? None. Who is in that room now? No one. How much will the car cost？ I cant say for certain. for certain 确切地 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 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. 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 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 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. Listen to 1a and try to retell the passage. Robots Part of our lives Servants Do dangerous and difficult work Think and act for themselves Masters Lucky pets Unluckya war greatly medical health inside discovering effects Listen to the tape and fill in the blanks. For more than 100 years, peoples 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. 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 certain will be like work forservants are surprised at will think for themselves has made great contributions to 二、选择所给词组的适当形式填空。 词组：betweenand; no longer; for certain; treatas; have bad effects on 1.We _ robots _ our pets at present. 2.The X-ray machine also _ peoples 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 as has bad effects on no longer between and for certain 三、用所给词的适当形式填空。 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 warned disappear unfriendly exciting excited more developed 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 its 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. dont to play ( ) 4. The little boy _when he saw his mother. A. cried any longer B. didnt 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; surprising B B B B A C 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 be do they arent any longer or unfriendly How soon (does he) 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 animal