九上Unit4 Topic1 SectionC

1、Unit 4 Spaceships are mainly controlled by computers.Topic2 Section CShenzhouShenzhouShenzhouspaceshipsDescription21 hours sbackbackbackWhat can we do on the computer?What other things can we do on the computer?Skimming Choose the best title for this passage. A. The Importance of Computers B. How to

2、 Use Computers C. Disadvantages of Computers2. Underline the topic sentence of each paragraph.Paragraph 1: Computers have become very important in many areas of work and leisure.Paragraph 2: There is no doubt that computer are very useful in technology and business.Paragraph 3: Since the Internet ca

3、me into being, peoples lives at home have changed, too. Paragraph 4: Computers have improved our lives, but they have brought problems, too. 1a1aRead the article more carefully and answer the following questions. Do computers play an important role in hospital? Can you give an example? What do peopl

4、e use computers to do in factories? What do people use computers to do in business? What can computers and the Internet do in out daily life? Can we work on computers too long? Why?New wordsdoubt /daUt/daUt/ n. n.&v.怀疑，疑惑怀疑，疑惑no doubt 无疑地无疑地 tiny / / taInI/taInI/ adj. adj.极小的，微小的极小的，微小的cancel /

5、/ KQnsEL/KQnsEL/ v. v.取消，撤销；废止取消，撤销；废止connect /kE/kE nekt/nekt/ v. v.连接，把连接，把联系起来联系起来for instance / / InstEns/InstEns/ 例如例如exchange /IKs/IKs tSeIdZ/tSeIdZ/ v. v.交换，调换；交交换，调换；交流流1.there is no doubt 没有疑问没有疑问/毋庸置疑毋庸置疑 e.g. There is no doubt that computers are very important .2. instance (同同example)例子例子

6、,实例实例 e.g. Let me give you some instances. for instance= for example例如，比如例如，比如3. come into being 出现出现, 产生产生 e.g. SARS came into being in 2003. 4. instead 代替代替,替代替代 e.g. If you cant go there, I will go instead. instead of: I will go out for a walk instead of staying at home.Language points connect ti

7、ny doubt for instance cancel 1. There is no _ that computers are very useful in technology and business. _ computers inside patients bodies can keep their hearts beating normally. In business, computers are used to place and _ orders. The whole world is _ . Computers brought problems, too. _ , if we

8、 work on computers too long, we may get headaches or sore eyes.cancelFor instancedoubtTinyconnected1.p_ 2.t_3.c_4.d_5.c_ones ownvery small in size to join together two or more thingsa feeling of being uncertain about something or not believing somethingto exchange information, news, ideas, etc. with

9、 other peopleersonalinyonnectoubtommunicate1bComplete the following words according to their first letters and meanings.Listen to 1a again, then fill out the table below.Place The use of computersIn spaceIn hospitalsIn factoriesIn businessAt home1aListen to 1a again, then fill out the table below.Pl

10、ace The use of computersIn spaceIn hospitalsIn factoriesIn businessAt homecontrol the speed and direction of a spaceshipfind diseases easily and solve other problemsdo dangerous workplay games, watch movies, do the shopping, do business, send e-mails, chat onlineplace and cancel orders1aComputers ha

11、ve improved our lives, but they have brought problems, too.There is no doubt that computers are very important and useful, but they must be used properly.Work in groups. List the advantages and disadvantages of the computer. You can add your own opinions.AdvantagesDisadvantages1c Retell the whole pa

12、ssage using the form.Computers have become very important in many areas of work and leisure.There is no doubtintechnology and businessSince the Internethavechanged, tooComputers.improvedbrought problems, tooin spacein hospital in business do shopping, businesssend e-mails, chat onlineget headache, s

13、ore eyeswont study well and get enough exercisefa acbd de e1.Tiny computers inside patients bodies keep their hearts2.Computers have made the workplace3.Computers have made the world4.Mr .Lee expected Kangkang5.Kangkang asked Mr.Lee6.Mr .Lee told us a. safer and betterb. to study harderc. smaller, l

14、ike a “village”d. to tell him something about spaceships.e. not to spend too much time playing gamesf. beating normally 2Match the two columns to make sentences. Pay attention to the structures. Tiny computers inside patients bodies keep their hearts beating normally. Computers are making the workpl

15、ace safer and better. The Internet is making the world smaller, like a village. Mr. Lee expected Kangkang to study hard. Kangkang asked Mr. Lee to tell him something about spaceships. Mr. Lee told us not to spend too much time playing games. 形容词形容词 不定式不定式 分词短语分词短语 不定式不定式 不定式不定式 形容词形容词 介词短语介词短语 Objec

16、t complement(宾语补足语）宾语补足语）宾语宾语补足语补足语: A.名词、形容词、副词、介词短语作宾语补足语名词、形容词、副词、介词短语作宾语补足语 We call him Jim. We must keep our school clean every day . Call him in ,please. Leave it on the desk . B.动词不定式作宾语补足语动词不定式作宾语补足语 Tell Jane to sing us a song. Lets have a rest. Can you help me (to) wash my clothes? C.分词作宾语补足语分词作宾语补足语 I hear somebody singing in the next room. In the factory ,computers can make the production finished