Unit 4 Topic 3 China is the third nation that sent a person into space. Section D课件(共17张PPT)

(共17张PPT)
Unit 4 Topic 3
China is the third nation that
sent a person into space.
Section D
Master the following words ,phrases and sentences:
Words： certain, warn, might, housework
Phrases: for certain, on one’s own
Sentences：①No one knows for certain, but most people think that robots will be part of our lives.
②In a few years, perhaps robots will think on their own.
01
学习目标
Attributive Clause(Ⅰ)
He 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
02
新课讲授
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
Revision
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.
Functions
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
1a Discuss the following questions before reading. Then read and check.
1.Do you like robots Why or why not
2. If you had a robot, what would you like it to do for you
A. Now robots help us a lot.
B. The writer isn’t sure if robots will be friendly.
C. Perhaps we’ll become robots’ servants in the future.
Para 1 ________
Para 2 ________
Para 3 ________
B
A
C
Read and find out the main idea of each paragraph.
1. to tell somebody about danger or about something bad that
may happen
2. to make something happen or appear
3. 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_________
arn
ause
ervant
ertain
erhaps
1b Find the words in the passage according to the
following meanings. The first letter is given to help you.
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，可靠的
2.[只作表语，后跟动词不定式或 of, that]一定的，必然的，有把握的，确信的；一定会来到或发生的
3.[只作定语]某，某一(些)；相当的，一定程度的；一些，有点儿，某种
Language Points
certain adj.
4.习惯用语
be certain of 确信，深信
be certain to 必然；一定
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。
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
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
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.
Project