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 instance
2. 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. It’s time that the t______ computer can keep the patient’s 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 can‘t finish it.
6. For i______, if we don’t take enough exercise,we’ll 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 Ⅴ. 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, let’s 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 2
D.Finish the table according to 1a, then I’ll ask some students to fill it out.
(核对答案。)
control the speed and direction
find diseases easily and solve other problems
computer are used to place and cancel orders
do dangerous work
paly games,watch movies
E. (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 of
9.for instance/ for example / such as
10.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. waits
2.English and computers______ in many fields.
A. used widely B. use widely
C. has widely used D. are widely used
3.More and more people like to communicate on line instead of _____ ( write ) letters
4.I can’t hear the radio clearly. Would you please ________?
A. turn it on B. turn it down C. turn it up D. turn it off
5.If we work _____ the computer too long, we may fall ill.
A. in B. for C. on D. to
6.-----I’m sorry, Mr Chen. May I _____ the orders which I _____ last month?
-----It doesn’t matter, you have the right.
A. cancel, placed B. cancel, canceled
C. place, canceled D. place, cancel
7. There is no ______ that computers play an important role in the space industry.
A. question B. doubt C.problem D. worry
8. Since the Internet _______, the way of people’s 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. controlled
10. 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, healthy
12. You must keep the door ______when you leave your room.
A.close B. closing C.closes D. closed
13.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 C
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 of
13. 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 example / such as
10.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.

七、教学反思：

八、改进措施：