Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space.SectionD课件30张

课件30张PPT。Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space. Section D Do you like robots? Why or why not?
If you had a robot, what would you like it to do for you?The new words
1./‘s??v(?)nt/ n. 仆人，佣人
2. [‘s?tn] 确定的，无疑的
3. /w??n/ vt. 警告，提醒
4. /ma?t/ model v. 可以；或许
5. /‘ha?sw??k/ n. 家务事
6.肯定，确定
7.独立，单独 1.servant
2. certain
3.warn
4. might
5. housework
6.for certain
7.on one’s own1b Find the words in the passage according to the following meanings. The first letter is given to help you. （Fast reading）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 sure1.w________2.c_________3.s________
4.c_________5.p_________arnauseervantertainerhaps 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, maycertainlivescausedservantsdangeroussurprisedtheirwarnslongermightDetailed reading1像..一样
2确切知道
3到目前为止
4总是，一直
5对…感到惊奇
6独自
7不再

8不是…而是…
9把…看作
be like
know for certain
so far
all the time
be surprised at about
on one’s own
no longer=not … any more
=not …any longer
not…but…
treat …as …=regard …as … 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 ?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
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 要点讲解 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 v.警告要点讲解The robots which are controlled by computers can be our servants.定语从句先行词关系词定语从句概念:在复合句中修饰名词或代词
的句子. (Attributive clause)Mary is a beautiful girl.Mary is a girl who has long hair.形容词作定语句子作定语,修饰girl, 叫做定语从句概念：
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。
ReviewGrammar China is the third nation that sent a person into space.
关系代词定语从句先行词Review物物More and more people have personal computers that/which are used to play games and watch movies. 要点归纳只能用that 的情况:
1).当先行词是anything、something 、everything、nothing，或被all 、 few、
the only 、序数词、形容词最高级等
修饰时。
2).当先行词既有人又有事或物时。ReviewWho物主语，宾语Whose宾语要点归纳只能用that 的情况:
1).当先行词是anything、something 、everything、nothing，或被all 、 few、
the only 、序数词、形容词最高级等
修饰时。
2).当先行词既有人又有事或物时。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 whom/that you are looking for.ExerciseChange the following sentences into attributive clause.1.The movie ____ we saw last night was fantastic.
A. that B. what C. whose D. who
2. Liu Yang is the first woman astronaut _____ has ever traveled in space.
A. whom B. which C. that D. whose
3. People are talking about the old houses ______ Jackie Chan bought in Anhui twenty years ago.
A. which B. where C. who D. when
4. Most students like the teachers _____ understand them well.
A. which B. who C. where D. when
5. It’s interesting that there are many people _____ speak French in Canada.
A. which B. where C. who D. whomFill in the blanks with who, which, that.
1. The train ___________ has just left is for Shenzhen.
2. I still remember the year ___________ we spent together.
3. Jack is no longer the person_________ I met five years ago.
4. Who is the worker _________ was late for work today?
5. Some people __________ are successful language learners often fail in other fields. which/thatthat/which who/thatthat/whowho/thatFunctions Some phrases of topic3进入太空
民族英雄
因为…而骄傲
而且，更为重要的是
另外四艘宇宙飞船
在过去的几年里
航空业
发射…进入太空
踏足于 travel into space
national hero
be proud of
what’s more
another four spaceships
in the past few years
space industry
sendlaunch….into space
set foot onSome phrases 0f topic 3 过去经常做某事
对…几乎一无所知
建议某人做某事
使电脑更好地为我们服务
下定决心做某事 used to do sth
know little about …
advise sb to do sth
make computers serve us better
make up one’s mind to do sthSome phrase of topic3在20世纪50年代
在工作和休闲的很多方面
毫无疑问
在…的帮助下
例如
使…一直做某事
形成，产生
幸亏，多亏
做买卖
代替，而不是
使世界变得更小
眼睛疼 in the1950s
in many areas of work and leisure
There’s no doubt
with the help of
for instanceexample
keep sb doing sth
come into being
thanks to
do business
instead of
make the world smaller
sore eyesFill in the blanks.There’s _____ _____(无疑地) that China has made great progress in its space industry.
________(微型的) novels are very popular with children.
The flight was________ (取消)because there’ll be a heavy fog above the airport.
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 doubtTinycanceledBesidesfor certainon their own 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. provesexploringserveconnectedmainlyExerciseSummaryWe 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.
Read 1a.
Memorize the useful expressions and key sentences which we learned in this topic.
Finish Section D in your workbook.
HomeworkThank you