Unit4T1SC.doc

Unit 4 Topic 1 Spaceships are mainly controlled by computers. Section C 水丽娟 一. 教学目标(Teaching aims and demands )1. Learn some new words and phrases:doubt, no doubt, tiny, cancel, connect, for instance2. Learn a useful sentence: There is no doubt that computers are very useful in technology and business.3. Go on learning the object complement:(1) Tiny computers inside patients bodies can keep their hearts beating normally.(2) At the same time, they are making the workplace safer and better.(3) The Internet is making the world smaller, like a village. (4) Mr. Lee told us not to spend too much time playing games.4. Improve the students reading skills.5. Discuss the use of the computers.教学重点：The aims 1 2教学难点：The aim 3二、预习检测题：1. There is no d_ our team will win.2. Its time that the t_ computer can keep the patients heating normally.3. The two cities are c_ by railway.4. The party was c_ because most of us were busy.5.I must have e_ time to work, or I cant finish it.6. For i_, if we dont take enough exercise,well be weak.三、教学过程设计A.利用不同的飞船图片，让学生对其进行描述，以巩固Section A与Section B的知识点。T:We have learned something about spaceships. Please describe them using your own words according to the pictures.(出示神五的图片。)S1:This is Shenzhou . In 2003 our national hero Yang Liwei traveled around the earth in it for 21 hours. All of us are very proud, and hope we will send more spaceships to space in the future.(继续出示神七，嫦娥一号的图片。)S2:S3:T:Good job! We know space science is very amazing, and spaceships play an important role in exploring space, but do you know what controls the spaceships?Ss:Computers.T: Yes. In this lesson, lets talk about the uses of computers.(出示一张电脑的图片，导入新课。)B. Read 1a again answer the follow questions: (1) Do the computers play an important role during the space flight?(2) What can computers and the Internet do in our daily life?(3) Can we work on computers too long? Why? C. Read 1a do 1 2D.Finish the table according to 1a, then Ill ask some students to fill it out.(核对答案。)control the speed and directionfind diseases easily and solve other problemscomputer are used to place and cancel ordersdo dangerous workpaly games,watch moviesE. (学生分组讨论电脑的优、缺点，可以根据1a添加自己的观点，完成1c。)T:OK. We know computers help people a lot almost in every field, but it is not good for us to work on the computer too long. Please discuss in groups, and list the advantages and disadvantages of computers. You can add your own opinions. And then finish 1c.(检查学生完成情况。) F. Important expressions:1.无疑地 2.在太空3.在电脑的帮助下 4.使一直做某使5.被用来做某事 6.用做7.由于因特网 8.代替9.例如1. no doubt 2.in space 3.with the help of computers 4.keep doing sth.5.be used to do sth. 6. use sth. to do sth.7.thanks to the Internet 8. instead of9.for instance/ for example / such as10.There is no doubt that computers are very useful in technology and business.11.Tiny computers inside patients bodies can keep their hearts beating normally.12.At the same time, they are making the workplace safer and better.13. The Internet is making the world smaller, like a village.14. Mr. Lee told us not to spend too much time playing games.G. Do 1b 四. 达标检测题：1.I was very sorry I kept him _ for me two hour.A.waited B.to wait C. waiting D. waits2.English and computers_ in many fields.A. used widely B. use widely C. has widely used D. are widely used3.More and more people like to communicate on line instead of _ ( write ) letters4.I cant hear the radio clearly. Would you please _?A. turn it on B. turn it down C. turn it up D. turn it off5.If we work _ the computer too long, we may fall ill.A. in B. for C. on D. to6.-Im sorry, Mr Chen. May I _ the orders which I _ last month?-It doesnt matter, you have the right.A. cancel, placed B. cancel, canceled C. place, canceled D. place, cancel7. There is no _ that computers play an important role in the space industry.A. question B. doubt C.problem D. worry8. Since the Internet _, the way of peoples life has changed greatly.A. come into being B. came into being C. went to being D. went into being 9. Scientists use computers_ the speed and direction of the spaceship. A. control B. controlling C. to control D. controlled10. The boss made us_ nine and a half hours a day.A. work B. to work C. working D. works 11. It is important for us _ our bodies _.A. to keep, health B. to keep, healthy C. keeping, health D. keeping, healthy12. You must keep the door _when you leave your room.A.close B. closing C.closes D. closed13.Thanks _ the Internet, people can do shopping and do business at home.五、 Homework 同步练习册 Section C 1 2 3六、板书设计：Spaceships are mainly controlled by computers. Section C1. no doubt 2. in space 3. with the help of computers 4.keep doing sth.5.be used to do sth. 6. use sth. to do sth.7.thanks to the Internet 8. instead of13. The Internet is making the world smaller, like a village.14. Mr. Lee told us not to spend too much time playing games.9.for instance/ for ex