Unit 4 Amazing Science Topic 3 Section D 课件 (共23张PPT)2024-2025学年英语仁爱版九年级上册

(共23张PPT)
Unit 4
Amazing Science
Topic 3 Section D
学习目标
重点探究
自主学习
学习导航
当堂检测
课堂总结
拓展提升
新课导入
1. Do you like robots Why or why not
2. If you had a robot, what would you like it to do for you
学习目标
能熟悉并正确运用本课时的重点单词和短语
能掌握定语从句等复合句的用法
能用英语谈论机器人
自主学习
New words and expressions
servant n. 仆人，佣人
certain adj. 确定的，无疑的；一定会……
for certain 肯定，确定，无疑
on one's own 独自，单独
warn v. 警告，告诫
might v. 可以，可能
housework n. 家务劳动，家务事
What will our future be like No one knows for certain,
but most people think that robots will be part of our lives.
They help us do dangerous and difficult work.
Robots-Our Servants in the Future
What will our future be like No one knows for certain, but most people think that robots will be part of our lives. Will they be friendly or unfriendly
So far, robots haven't caused us any problems. They work for us like servants all the time. They help us do dangerous and difficult work.
1a Read the passage.
重点探究
People are surprised at the rapid development of robots. In a few years, perhaps robots will think on their own, just as people use their brains and act for themseves. However, once robots can think for themselves, problems may appear. One scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our masters. The scientist also warns that if we are lucky, they might treat us as we now treat our pets; if we are not lucky, who knows what will happen Perhaps there will be a war between human beings and robots.
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.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
1c Read 1a again and discuss the questions with
your partner.
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
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
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.
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.
Founctions
Language points
拓展提升
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。
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
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
当堂检测
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.
一、用方框中所给词或短语的适当形式填空。
proves
exploring
serve
connected
mainly
二、用方框中所给词适当形式填空。
on one’s own, certain, housework, warn, might
1. The man is a self man, he is always thinking .
2. The police that people didn’t go out alone especially
children and women a few days ago.
3. They treat us as we treat them.
4. On Sundays Xiao Ming often helps his mother with .
5. I know for where he is hiding.
on his own
warned
might
housework
certain
课堂总结
掌握定语从句的结构和用法
谈论机器人
Unit 4 Topic 3
Section D