Unit 4 Amazing ScienceTopic 3 China is the third nation that sent a person into space. Section D


ⅠHe is our national hero who/that traveled around the earth in Shenzhou V for 21 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.
Grammar Attributive Clause()


•概念： 1.在句子中修饰名词或代词，定语从句在句 中充当定语。 2.定语从句必须有先行词，并尽量靠近先行 词。 3.在定语从句中，关系词在从句中充当成 分。•关系代词•指人: who(主格，宾格)•指物: which(主格，宾格)•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 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. It 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 ______(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 now ________(main) use electronic controls used to be controlled by astronauts. provesexploringserveconnectedmainly


Talk 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 words 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. used to say that something may be true, but you are not sure•1.w________2.c_________3.s________•4.c_________5.p_________arnauseervantertainerhaps


1. No one knows for certain, but most people think that robots will be part of our lives.没有人清楚，但是大部分人都认为机器人会成为我们生活的一部分。 •certain adj.1.[只作表语]确凿的，无疑的，牢靠的 2.[只作表语，后跟动词不定式或 of, that]肯定的，必定的，有把握的，确信的；肯定会来到或发生的3.[只作定语]某，某一(些)；相当的，肯定程度的；一些，有点儿，某种 4.习惯用语 be certain of 确信，深信 be certain to 必定；肯定 be not certain whether... 不能确定是否...... for certain 肯定地，确凿地 make certain (of, that) 把......弄清楚，把......弄确凿， 保证


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，就像人们使用自己的大脑和自己行动一样。 •on one’s own 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，如果机器人开头自我思考，他们将不再情愿成为我们的仆人，而是想成为我们的主人。•warn sb. (not) to do sth.警告某人（不要）干某事warn sb. about sth.提醒、警告某人注意某事warn sb. against (doing) sth.警告某人某事 v.警告


Key Words for certain–be part of–be friendly –so far–cause–all the time – be surprised at–on one’s own – think for oneself–warn– no longer–treat …as –between…and Retell it


1c Read 1a again and discuss the questions with your partner. 1.Do you think robots will be part of our lives in the future? Why? 2.Robots are considered 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 ?


No one knows for ________ what our future will be like, but most people think that robots will be part of our _____. So far, robots haven’t _______ 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 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, maycertainlivescausedservantsdangeroussurprisedtheirwarnslongermight


Fill in the blanks.1.There’s _____ _____(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 there’ll be a heavy fog above the airport. 4.Spaceships can travel to other planets. ________(除……以外), humans have built space stations. 5. No one knows _______ _______(精准地), 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 following 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.


SummaryWe learn: 1. Some words: certain, warn, might, housework 2.Some phrases: for certain, on one’s own 3.Some sentences: (1)No one knows for certain, but most people think that robots will be part of our lives. (2)In a few years, perhaps robots will think on their own. We can: 1.Summarize the usage of Attributive Clause. 2.Learn about some knowledge of robots.


•Read 1a.•Memorize the useful expressions and key sentences which we learned in this topic.•Finish Section D in your workbook.