九上U4T2SC (2)

1、Amazing Science Would you like to say something about them ?ComputerInvent/in America/in 1946Shenzhou Launch /in China/in 2005CloningExperiment/Dolly/DNA通過學(xué)習(xí)機(jī)器人對(duì)人類通過學(xué)習(xí)機(jī)器人對(duì)人類的利與弊的利與弊, 要求我們學(xué)會(huì)要求我們學(xué)會(huì)談?wù)撌碌挠欣蛩睾筒徽務(wù)撌碌挠欣蛩睾筒焕蛩亍＠蛩?。Look Robots Our Servants in the Future?Hello! We are your friends. We can hel

2、p you do dangerous and difficult work.Have you ever seen a robot? What do you know about robots?What do they look like?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

3、 the title have a question mark?Listen to the passage and then discuss the questions with your partner.1. Will they be friendly?Maybe.2. What can they help human beings do?They help us to do dangerous and difficult work.3. What does the scientist worry about? Once robots start to think for themselve

4、s, they will not want to be our servants any more, but our masters.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、（）（）5. to behave in a special way towards somebody or something ( )warncauseservant certaintreat1. No one knows for certain.沒有人確切地知道。沒有人確切地知道。 no one 與與nonea. no one 用來指人，其后不能接用來指人，其后不能接of 短語，用做主語短語，用做主語時(shí)，謂語動(dòng)詞用單數(shù)。時(shí)，謂語動(dòng)詞用單數(shù)。No one likes a person with bad manners.b. none 既能指人又能指物，其后可以接既能指人又能指物，其后可以接of

6、 短語，當(dāng)短語，當(dāng)of后是可數(shù)名詞復(fù)數(shù)時(shí)，謂語動(dòng)詞用單、復(fù)數(shù)均可。后是可數(shù)名詞復(fù)數(shù)時(shí)，謂語動(dòng)詞用單、復(fù)數(shù)均可。None of the students is /are in the classroom.c. 特別注意：特別注意： How many people are there in that room? None. Who is in that room now? No one.探究學(xué)習(xí)探究學(xué)習(xí)探究學(xué)習(xí)探究學(xué)習(xí)for certain 確切地確切地 How much will the car cost？ I cant say for certain. 2. all the time = al

7、ways 一直，總是一直，總是The boy listened to the radio all the time.3. be surprised at /by對(duì)對(duì) 感到驚訝感到驚訝 be surprised to do sth.4.Once robots can think for themselves, problems may appear. once 在這用作連詞，意為在這用作連詞，意為“一旦一旦就就”,引導(dǎo)時(shí)間引導(dǎo)時(shí)間狀語從句。狀語從句。 The foreign visitors were surprised at the great wonders. I was surprised

8、 to hear I had passed the exam.Once you get used to it, you will like it.探究學(xué)習(xí)探究學(xué)習(xí)5. no longer=not any longer no more=not any more no more 和和 not any more 可以做賓語，可以做賓語，no longer不可以。不可以。 no longer意思是意思是“不再不再”，其確切含意為，其確切含意為某狀態(tài)在某個(gè)時(shí)刻某狀態(tài)在某個(gè)時(shí)刻之后不再繼續(xù)下去了。之后不再繼續(xù)下去了。 Im no longer a student. 我不再是個(gè)學(xué)生了。我不再是個(gè)學(xué)生了。后者

9、側(cè)重后者側(cè)重程度和數(shù)量程度和數(shù)量, 比如：比如： You can drink no more. = You cant drink any more. 你不能再喝了。你不能再喝了。(喝酒的量到了一定程度喝酒的量到了一定程度, 不能再繼續(xù)下去了。不能再繼續(xù)下去了。)探究學(xué)習(xí)探究學(xué)習(xí)think for oneself 獨(dú)立思考獨(dú)立思考 I often teach my students to think for themselves.6.One scientist warns that if robots start to think for themselves,they will no long

10、er want to be our servants, but our masters.a. warn warn sb. ( not) to do.告誡某人告誡某人 (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b. no longer = not any longer no more = not any more 7. They might treat us as we now treat pets. 他們可能會(huì)像我們現(xiàn)在對(duì)待寵物那樣對(duì)待我們。他們可能會(huì)像我們現(xiàn)在對(duì)待寵物那樣對(duì)待我們。 a. might 是是may 的過去式，可用于指

11、過去，也可用的過去式，可用于指過去，也可用于指現(xiàn)在于指現(xiàn)在, 但語氣緩和、委婉。但語氣緩和、委婉。 b. treat as 以以 方式對(duì)待方式對(duì)待/把把 看做看做探究學(xué)習(xí)探究學(xué)習(xí)My parents still treat me like a child. 父母仍然把我當(dāng)成孩子。父母仍然把我當(dāng)成孩子。Listen Robots Part of our livesServantsDo dangerous and difficult workThink and act for themselvesMastersLucky petsUnluckya wargreatlymedicalhealthin

12、sidediscoveringeffectsListen 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

13、 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.8. be meant to do sth. 應(yīng)該做某事，應(yīng)該做某事，意在做某事意在做某事9. in the medical field 在醫(yī)學(xué)領(lǐng)域在醫(yī)學(xué)領(lǐng)域 field 有有“學(xué)科，領(lǐng)域，專業(yè)學(xué)科，領(lǐng)域，專業(yè)”等含義等含義10. make a contribution /contributions to 為為做貢獻(xiàn)做貢獻(xiàn)注意：

14、注意： make a contribution /contributions to doing sth. 11. have an effect/ effects on 對(duì)對(duì)有影響有影響探究學(xué)習(xí)探究學(xué)習(xí) 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

15、health.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

16、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 dont thi

17、nk this will happen. At least that is until robots can think. If a robot cant think, it can only do what its told to do by people, so we dont need to worry yet.Will you worry about robots? Why? Design a robot. Write a passage about it. The following questions may help you.1. Whats its name?2. What d

18、oes 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.Homework:Write a short passage to introduce your own invention. 一、根據(jù)漢語意思補(bǔ)全英語句子。一、根據(jù)漢語意思補(bǔ)全英語句子。1.沒人確切地知道我們的未來是什么樣子No one kn

19、ows _ _ what our future _ _ _.2.機(jī)器人會(huì)一直像傭人那樣為我們工作嗎？Do robots _ _us like _ all the time?3.人們對(duì)機(jī)器人的快速發(fā)展感到驚訝。People _ _ _ the rapid development of robots.4.我想，有一天機(jī)器人會(huì)有自己的思維的。I think that robots _ _ _ _ some day.5.X光機(jī)器已為人類做出了貢獻(xiàn)。X-ray machines _ _ _ _ _ human beings.for certainwill be likework forservantsa

20、re surprised atwill think for themselveshas made great contributions to 二、選擇所給詞組的適當(dāng)形式填空。二、選擇所給詞組的適當(dāng)形式填空。詞組：betweenand; no longer; for certain; treatas; have bad effects on1.We _ robots _ our pets at present.2.The X-ray machine also _ peoples health.3.He is _patient with us. He is easily annoyed (惱怒的

21、).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三、用所給三、用所給詞詞的適當(dāng)形式填空。的適當(dāng)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 h

22、is 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四，選擇正確的答案四，選擇正確的答案 ( )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