九上U4T2SC(3).ppt

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1、仆人，佣人仆人，佣人确切，肯定确切，肯定家务劳动家务劳动行为；守规矩行为；守规矩贡献；捐款贡献；捐款为为做贡献做贡献 servant for certain housework behave contribution make a contribution toDo you know them ?Please enjoy some wonderful pictures.Have you ever seen a robot? Do you think robots will become our servants in the Future?1.What can robots help us d

2、o? They can help us do dangerous and difficult work.2. Robots are meant to be our servants, arent they ? Maybe.Watch the flash of 1a and answer the questions. be meant to do sth.应该做某事应该做某事Find and circle the words in 1a according to the following meanings, then write them down.1. to tell somebody th

3、at 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 ( )warncauseservantcertaintrea

4、t1. No one knows for certain.没没有人确切地有人确切地知道。知道。 no one 与与nonea. no one 用来指人，其后不能接用来指人，其后不能接of 短短语，用做主语时，谓语动词用单数。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，其后可以既能指人又能指物，其后可以接接of 短语，当短语，当of后是可数名词复数时，后是可数名词复数时，谓语动词用单、复数均可。谓语动词用单、复数均可。None of the students is /are in the clas

5、sroom.c. 特特别注意别注意： How many people are there in that room? None. Who is in that room now? No one. 虽然他肯定那人是坏人，但他却什么也不敢说。虽然他肯定那人是坏人，但他却什么也不敢说。He _that man was a bad man, but he didnt dare to say anything.know say for certain 确切知道确切知道肯定地说肯定地说knew for certain2. work for 受雇于；受雇于； 从事从事工作工作3. be surprised

6、at 对对 感到惊讶感到惊讶 be surprised to do sth. 为为而惊讶或而惊讶或惊喜惊喜My sister _a foreign company.The foreign visitors _the great wonders.I _hear that I had passed the exam.works forworks forwere surprised atwas surprised to4. Once robots can think for themselves, problems may appear.一旦机器人能独立思考，问题就可能产生了。一旦机器人能独立思考，

7、问题就可能产生了。 once 在在这用作连词，意为这用作连词，意为“一旦一旦就就”,引导引导时间状语从句。时间状语从句。 think for oneself 独立思考独立思考 Once you get used to it, you will like it.I often teach my students to_.think for themselves5.One scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our

8、 masters.一位科学家警告说如果机器人开始独立思考，一位科学家警告说如果机器人开始独立思考，他们将不再愿做我们的佣人，而做我们的主他们将不再愿做我们的佣人，而做我们的主人。人。 warn sb. ( not) to do.告诫某人告诫某人 (不）做某事不）做某事 warn sb. about /of sth. 警告某人注意某事警告某人注意某事 no longer = not any longer ( 延续动词）延续动词） no more = not any more ( 短暂动词）短暂动词） 不再不再1、学校告诫学生不能吸烟。、学校告诫学生不能吸烟。 Our school _the st

9、udents_.2、老师告诫我们独立完成作业。、老师告诫我们独立完成作业。 The teachers _our homework by ourselves.3、警察警告人们那里危险。、警察警告人们那里危险。 The police _the people _danger there.warnsnot to smokewarn us to finishwarnedof about6. 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他们可能会像我们现在对待宠物那样对待我们。待我们。 might 是是may 的过去式，可用于指过去，

10、的过去式，可用于指过去，也可用于指也可用于指现在，但现在，但语气缓和、委婉。语气缓和、委婉。 treat as 以以 方式对待方式对待/把把 看看做做= regard as We treat regard Yang Liwei as a hero of our nation. 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 g

11、reat 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.greatlymedicalhealthinsidediscoveringeffectsListen to the tape and fill in the blanks.(录音录音

12、)7. be meant to do sth. 应该做应该做某事某事 (特别是应某人的吩咐或根据职责特别是应某人的吩咐或根据职责） eg:我认为警察的职责就是保护人民。我认为警察的职责就是保护人民。8. in the medical field 在医学领域在医学领域 field 有有“学科，领域，专业学科，领域，专业”等含义等含义 I think the police _people.are meant to protect9. make a contribution /contributions to sth. doing sth. 为为做贡献做贡献 eg : 他为科学作出了巨大的贡献。他为

13、科学作出了巨大的贡献。 我们应该为保护环境作出贡献。我们应该为保护环境作出贡献。He _ science.We should _the environment.made a great contribution tomake contributions to protecting10. have an effect/ effects on 对对有有影响影响 eg: eg: 玩太多的电脑游戏对健康有不好的玩太多的电脑游戏对健康有不好的影响。影响。 Playing computer games too much_.has a bad effect on health 一、根据一、根据汉语意思补全英

14、语句子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？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。人们对机器人的快速发展感到惊讶。People _ _ _ the rapid development of robots.for certainwill bework forservantsare surprised atlike4.我想

15、，有一天机器人会有自己的思维我想，有一天机器人会有自己的思维的。的。I think that robots _some day.5.X光机器已为人类做出了贡献。光机器已为人类做出了贡献。X-ray machine_human beings.will think for themselveshas made a great contribution to三、三、 Choose the best answer.Choose the best answer. ( )1.The workers made great contributions _the tall building. A. to bui

16、ld 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 playBBB ( ) 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; surprisingBAC Homework:1.Finish the exercise of Section C on the English Post.2.Preview Section D.