Unit4Topic3SectD

1、unit 4 amazing sciencetopic 3 china is the third nation that sent a person into space. section d unit 4 amazing sciencetopic 3 china is the third nation that sent a person into space. section d grammar attributive clause()he is our national hero who/that traveled around the earth in shenzhou v for 2

2、1 hours in 2003. china is the third nation that sent a person into space. more and more people have personal computers that /which are used to play games and watch movies. 概念：概念： 1.在复合句中修饰名词或代词的从句叫定语从句。在复合句中修饰名词或代词的从句叫定语从句。 2.定语从句定语从句必须有先行词必须有先行词，并尽量靠近先行，并尽量靠近先行 词。词。 3.在定语从句中，关系代词在从句中充当一定的在定语从句中，关系代

3、词在从句中充当一定的句子成分。句子成分。 关系代词关系代词 只指只指人人: who (主格和宾格作主格和宾格作主语和宾语）主语和宾语） 只指只指物物: which(主格和宾格作主格和宾格作主语和宾语主语和宾语） 指人或物指人或物: that 1.i know the boy. he can speak english well. i know the boy who/that can speak english well. 2.mary bought a little bird. it was very pretty. mary bought a little bird that/which

4、was very pretty. 3.the season is summer. it comes after spring. the season is summer which/that comes after spring. 4.i know the boy. you are looking for him. i know the boy who/that you are looking for.change the following sentences into attributive clause.functions all of you must be very proud. i

5、t proves that china has made great progress in its space industry. there is no doubt that computers are very useful in technology and business. the internet is making the world smaller, like a village. computers help us at work and at home, but they must be used properly. fill in the blanks.1. it _(

6、prove) that china has made great progress in its space industry. 2. they spent 2.5 hours _ (explore) and collecting soil and rocks to take back to earth. 3. i advise you to discover new ways to make computers _(serve) us better. 4. the whole world is _(connect) by the internet. 5. spaceships which n

7、ow _(main) use electronic controls used to be controlled by astronauts. provesexploringserveconnectedmainlytalk about the advantages of the computer.talk about the disadvantages of the computer.do you like robots? why or why not?if you had a robot, what would you like it to do for you?1b find the wo

8、rds in the passage according to the following meanings. the first letter is given to help you. 1. to tell somebody about danger or about something bad that may happen 2. to make something happen or appear3. a person who is paid to do housework for a family 4. sure and confident, without any doubts 5

9、. used to say that something may be true, but you are not sure 1.w_2.c_3.s_ 4.c_5.p_arnauseervantertainerhaps1. no one knows for certain, but most people think that robots will be part of our lives.没有没有人清楚，但是大部分人都认为机器人会成为我们人清楚，但是大部分人都认为机器人会成为我们生活的一部分。生活的一部分。 certain adj. 确凿的，无疑的，可靠确凿的，无疑的，可靠的的 习惯用语习

10、惯用语 be certain of 确信，深信确信，深信 be certain to 必然；一定必然；一定 for certain 肯定地，确凿地肯定地，确凿地 say for certain 确切地说确切地说 know for certain 确切地知道确切地知道 2.in a few years, perhaps robots will think on their own, just as people use their brains and act for themselves.多年以后，也许机器人会有自己的思想，就像多年以后，也许机器人会有自己的思想，就像人们使用自己的大脑和自己行

11、动一样。人们使用自己的大脑和自己行动一样。 on ones own 独自，单独独自，单独 3.one scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our masters.曾有科学家警告，如果机器曾有科学家警告，如果机器人开始自我思考，他们将不再愿意成为我们的仆人，而是想成为我们的主人开始自我思考，他们将不再愿意成为我们的仆人，而是想成为我们的主人。人。 warn sb. (not) to do sth.警告某人（不要）

12、干某事警告某人（不要）干某事warn sb. about sth.提醒、警告某人注意某事提醒、警告某人注意某事key words for certainbe part ofbe friendly so farcauseall the time be surprised aton ones own think for oneselfwarn no longertreat as betweenand retell it 1c read 1a again and discuss the questions with your partner. 1.do you think robots will b

13、e part of our lives in the future? why? 2.robots are considered 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 ? no one knows for _ what our future will be like, but most people think that robots will be part of our _.

14、 so far, robots havent _ us any problems. they work for us like _ all the time. they help us do _ and difficult work. people are _ at the rapid development of robots. in a few years, perhaps robots will think on _ own, just as people use their brains and act for themselves. however, once robots can

15、think for themselves, problems may appear. one scientist _ that if robots start to think for themselves, they will no _want to be our servants, but our masters. they _ treat us as we now treat our pets. long, they, surprise, cause, certainly, live, servant, danger, warn, maycertainlivescausedservant

16、sdangeroussurprisedtheirwarnslongermightfill in the blanks.1.theres _ _(无疑地) that china has made great progress in its space industry. 2._(微型的) novels are very popular with children. 3.the flight was_(取消)because therell be a heavy fog above the airport. 4.spaceships can travel to other planets. _(除以

17、外), humans have built space stations. 5. no one knows _ _(确切地), but most people think that robots will be part of our lives. 6. perhaps robots will think _ _ _(独自，单独)in a few years. no doubttinycanceledbesidesfor certainon their own making a wall newspaper about computer information 1. collect the f

18、ollowing information from books, newspapers, the internet and so on. the parts of the computer the kinds of computers the development of the computer 2.discuss the uses of computers in daily life and technology in groups. 3.design a wall newspaper about the computer. 小结小结we learn: 1. some words: certain, warn, might, housework 2.some phrases: for certain, on ones own 3.some sentences: (1)no one knows for certain, but most people think that robots will be part of ou