Unit 4 Topic 3 China is the third nation that sent a person into space.Section D 精品课件 +嵌入音频(共34张PPT

(共34张PPT)
Unit 4 Amazing Science
Section D
Topic 3 China is the third nation
that sent a person into space.
Review
Talk about the advantages of the computer.
Review
Talk about the disadvantages of the computer.
Review
( ) 1. All of us find _____ necessary to take exercise every day.
A. this B. that C. it D. them
( ) 2. _____ the Internet, people can do shopping and
do business at home.
A. Thanks to B. Thank to C. Because D. Instead of
3. I’m sorry that I keep you ________ (wait) for so long.
4. Instead of ________ (leave) home, we can do some shopping at home _______ (easy).（改为同义句）
5. Because of Miss Tang’s help, we can finish the work on time. ______ the ______ of Miss Tang, we can finish the work on time.
C
A
waiting
leaving
easily
With help
Pre-reading
New words
/ s :v nt/
n. 仆人，佣人
/ s :tn/
adj. 确定的，无疑的
一定会.......
独自，单独
servant
certain
for certain
on one’s own
New words
/w :n/
v. 警告，告诫
/ma t/
modal v. 可以，可能
warn
might
housework
/ ha sw :k/
n. 家务劳动，家务事
While-reading
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
1b Find the words in the passage according to the following meanings. The first letter is given to help you.
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
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
Yes. Actually they’ve already been part of our lives.
No. As a human being, we should show our respect to everything in the world not only to other human but also to those who are alive or not.
To this question, I’m not sure as I’m not the pioneer of this line.
Very sorry for my ignorance.
Because this statement is not sure. No one knows the answer now.
Careful reading
Paragraph 1
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
1a Read and understand.
What will...be like 相当于How will..be 。
类似的用法还有：
What’s the weather like = How is the weather
for certain 肯定 = for sure.
练习：
What will our ______ （未来）be like No one knows it for _______ （确信）
future
certain
Careful reading
Paragraph 2
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 and understand.
all the time 一直
help sb. (to) do sth. 帮助某人做某事
help sb. with sth. 帮助某人某事
cause v.导致，引起 / n. 原因
cause sb. sth. 给某人带来....../引起......
cause sb. to do sth. 导致某人去做某事
1. So far, robots haven't cause us any problems.
到目前为止，机器人还没有给我们带来任何麻烦。
考点：
so far的具体用法：
(1)表示“（距离）如此之远”“（程度）如此之深”。
此时句子谓语动词需要根据具体语境来确定时态。
eg. My feet are very sore from walking so far.
走了这么远的路，我的脚非常痛。
We had fallen so far behind that it seemed pointless continuing.
我们已经落在后面很远了，继续下去似乎没有什么意义。
Language points
1. So far, robots haven't cause us any problems.
到目前为止，机器人还没有给我们带来任何麻烦。
考点：
(2)表示“迄今”“到目前为止”，相当于up to now, till now。
当 so far修饰谓语动词且表示一直持续到现在时，谓语动词通常要用现在完成时。
eg. So far there has been no bad news.到现在为止还没有什么坏消息。
So far 50 people have died in the fighting.
到现在为止，已有50人在战斗中丧生。
(3)表示“仅到一定程度”“仅在有限的范围内”，此时句子谓语动词也需要根据具体语境来确定时态。
eg. I can only help him so far. 我只能帮他到这种程度。
Language points
1. 到目前为止，他们还没有引起任何问题。（完成译句）
They haven’t cauesd any problems ____ ____.
2. So far we _____ nothing from him
A. have been heard B. didn’t hear
C. have heard D. haven’t heard
3. So far, robots _____________ (not cause) any problems.
so far
及时练习：
C
haven’t caused
Careful reading
Paragraph 3
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 themselves. 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.
1a Read and understand.
2. One scientist warns that if robots start tothink for themselves,
they will no longerwant to be our servants, but our masters.
一位科学家警告说，如果机器人开始为自己考虑，它们就不是再想做我们的仆人，而是想做我们的主人。
考点：
warn的具体用法：
(1)warn sb. against doing sth.“告诫某人不要做某事”。
The doctor warned the patient againstsmoking.
医生告诫病人不要抽烟。
eg. The teacher warned the children againstplaying on the street.
老师告诫孩子们不要在街上玩。
Language points
2. One scientist warns that if robots start tothink for themselves,
they will no longerwant to be our servants, but our masters.
一位科学家警告说，如果机器人开始为自己考虑，它们就不是再想做我们的仆人，而是想做我们的主人。
考点：
warn的具体用法：
(2)warn sb. against/about sb.(sth.)“告诫某人提防某人（某事）”。: eg. He warned us against pickpockets. 他叫我们提防扒手。
The police have warned shopkeepers about the forged banknotes.
警察已通知各店主要留意假钞。
Language points
2. One scientist warns that if robots start tothink for themselves,
they will no longerwant to be our servants, but our masters.
考点：
warn的具体用法：
(3)warn sb. of sth. "警告（通知）某人会有某情况”。
eg. We warned him of the danger. 我们警告过他有危险。
(warm一般不能接双宾语，不能说成：We warmed him the danger.)
eg. The teacher warned us of the test. 老师通知我们要考试。
(4)warn sb.+that从句“警告某人……”。
eg. Police warned drivers that the roadswere icy.
警方提醒司机路面已结了冰。
I warn you that it is dangerous to swimhere.
我警告你，在这里游泳是危险的。
Language points
2. One scientist warns that if robots start tothink for themselves,
they will no longerwant to be our servants, but our masters.
考点：
warn的具体用法：
(5)warn sb.(not) to do sth. "告某(不)要做某事”。
eg. I warned him to be careful. 我告诫他要小心。
I warned him to stay away. 我告诫他别靠近。
He warned me not to go out with her.
告诫过我不要同她一起出去。
比较：
He warned me not to go out at night.
= He warned me against going out atnight.他叫我不要晚上出去。
Language points
1. The patient was warned _____ oily food after the operation.
A. to eat not B. eating not C. not to eat D. not eating
2. The teacher warned us _____ the danger ahead.
A. to B. of C. in D. from
及时练习：
C
B
Exercises
No one knows for ________ what our future will be like, but most people think that robots will be part of our _____.
So far, robots haven’t _______ us any problems. They work for us like _______ all the time. They help us do __________ and difficult work.
People are ________ at the rapid development of robots. In a few years, perhaps robots will think on _______ own, just as people use their brains and act for themselves. However, once robots can think for themselves, problems may appear. One scientist _____ that if robots start to think for themselves, they will no _______want to be our servants, but our masters. They _______ treat us as we now treat our pets.
long, they, surprise, cause, certainly, live, servant, danger, warn, may
certain
lives
caused
servants
dangerous
surprised
their
warns
longer
might
Post-reading
Find out these phrases from the text.
for certain
on one’s own
warn sb. not to do sth. = warn sb.
a bunch of
1.肯定
2.独自
3.告诫某人不要做某事
4.一束；一串
5.把某人视为
6.A与B两者之间
7.毫无疑问
8.对某事感到惊讶
9.不再
10.考虑做某事
11.认为某人是
treat sb. as = regard sb. as
between A and B
without any doubts
be surprised at sth.
no longer = not any longer
consider doing sth.
consider sb. (to be)
Project
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.
Read through Sections A-C and understand the underlined parts.
Grammar
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.
Exercise
1. I know the boy. He can speak English well.
2. Mary bought a little bird. It was very pretty.
3. The season is summer. It comes after spring.
4. I know the boy. You are looking for him.
Change the following sentences into attributive clause.
I know the boy who/that can speak English well.
Mary bought a little bird that/which was very pretty.
The season is summer which/that comes after spring.
I know the boy who/that you are looking for.
Functions
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.
Fill in the blanks.
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.
proves
exploring
serve
connected
mainly
Fill in the blanks.
1. There’s _____ _____(无疑地) that China has made great progress in its
space industry.
2. ________(微型的) novels are very popular with children.
3. The flight was________(取消)because there’ll be a heavy fog above the
airport.
4. Spaceships can travel to other planets.
________(除……以外), humans have built space stations.
5. No one knows _______ _______(确切地), but most people think that
robots will be part of our lives.
6. Perhaps robots will think ______ _____ _____(独自，单独)in a few years.
no doubt
Tiny
canceled
Besides
for certain
on their own
summary
We learn: 1.Some words: certain, warn, might,
housework
2.Some phrases: for certain, on one’s own
3.Some sentences:
(1)No one knows for certain, but most
people think that robots will be part of our
lives.
(2)In a few years, perhaps robots will think
on their own.
We can: 1.Summarize the usage of Attributive Clause.
2.Learn about some knowledge of robots.
Homework
Read 1a.
Memorize the useful expressions and key sentences which we learn today.
Finish Section D in your workbook.
Review Section A—D.
Thank you!