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1、Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space.,郑万才20141226,Summary,We learn：1.Some words:spacewalk，brain,housework，electronic,spacesuit，certainwarn,might,prove,doubt,cancel,connect tiny,inside,1b Find the words in the passage according to the following meanin
2、gs.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 appear3.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 su
3、re,1.w_2.c_3.s_4.c_5.p_,arn,ause,ervant,ertain,erhaps,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 certai
4、n 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,Language points,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 ones own 独自，单独 3
5、.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,Language points,v.警告,(1)besides与
6、except用于肯定句时，except意为“除之外（不 再有）”；besides意为“除之外（还有）”。如：I have another blue pen besides this one.除了这支外，我还有另一支蓝色钢笔。（1+1，共2支）We all passed the exam except Tom.我们都通过了考试，汤姆除外。（整体中汤姆一人不及格）(2)except前几乎总有all、any、every、no及其复合词等词。如：He answered all the questions except the last one.除了最后一个问题没答外，其余问题他都答了。(3)excep
7、t后接名词、代词、动名词和动词原形，这时except=but；但except后跟副词、介词短语时，不能用but代替。如：The window is never open except in summer.这扇窗户从来不开，除夏季外。He did nothing except/but clean the house.他只是打扫了房子。,2.Besides,not everything we read on the Internet is true or good for us.另外，我们在网上看到的东西并不都是真实的、有益的。,There is no doubt that we will be
8、successful.,I dont doubt that they will be able to solve the problems.,doubt n.&v.怀疑，疑惑,(2)doubt(vt.)+从句,(3)doubt(vi.)+about/of,Doubt is the key to knowledge.,There is no reason to doubt of his honesty.,I doubt whether/if hell change his mind.,(1)doubt(n.),Paragraph 1,1.There is no doubt that comput
9、ers are very useful in technology and business.毫无疑问电脑在技术和贸易业都非常有用。,Language points,3.The whole world is connected.网络连接了全世界。,connect v.连接 connection n.关系，联系,1.connect A with B 使A与B连接,2.connect sth.(to sth.)使电、气、水等接通,3.connect sb./sth.(with sb./sth.)与有联系，把联系起来,Paragraph 2,What did Kangkang want to kno
10、w?,He wants to know something about recent spaceship developments.development n.发展 with the development of 随着的发展 develop v.发展 developing adj.发展中的 developed adj.发达的,Key Sentences,1.All of you must be very proud.你们一定都为此而感到骄傲。be proud of 为而骄傲 be the pride of 是的骄傲e.g.We are proud of Yang Liwei.Yang Liwe
11、i is the pride of us.2.We have launched another four spaceships in the past few years.在过去几年我国又向太空发射了四艘宇宙飞船。another four=four more 意为“又有四个”之意。3.It proves that China has made great progress in its space industry.这证明中国在航空业已经取得了巨大的进步。prove v.证明，证实+从句,properly,besides,brought,get,enough,Computers have im
12、proved our lives,but they have _problems,too.For instance,if we work on computers too long,we may _ headaches or sore eyes.If we play computer games too much,we wont have _ time to study or exercise._,not everything we read on the Internet is true or good for us.Computers help us at work and at home
13、,but they must be used _.,Exercise,brought,get,enough,Besides,properly,Summary,We learn：2.Some phrases:make progress，master computer technology,advise sb.to do sth.,make sb./sth.do,made up ones mind to do，another four,no doubt,for instance，for certain,on ones own,come into being more and more watch
14、movies thanks to do business instead of chat online make the world smaller,做买卖形成，产生越来越多看电影代替网上聊天使世界更小多亏，由于,Paragraph 2,1.For instance,if we work on computers too long,we may get headaches or sore eyes.比如：如果我们使用的电脑工作的时间太长，我们就会头昏眼花。for instance=for example 用来举例说明某一论点或情况，一般只举同类人或物中的“一个”为例。such as 用来列举事
15、物时，一般列举同类人或事物中的几个例子。E.g.（1）Many countries,Japan,for instance(for example),has a lot of earthquakes.（2）I like fruits,such as apples,pears and bananas.,Paragraph 3,Fill in the blanks.,Theres _ _(无疑地)that China has made great progress in its space industry._(微型的)novels are very popular with children.Th
16、e flight was_(取消)because therell 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 doubt,Tiny,c
17、anceled,Besides,for certain,on their own,Exercises,Summary,We learn：3.Some sentences:(1)Spaceships are so amazing.(2)I think that if I work hard then nothing is impossible.(3)There is no doubt that computers are very useful in technology and business.(4)Computers help us at work and at home,but they
18、 must be used properly.(5)No one knows for certain,but most people think that robots will be part of our lives.(6)In a few years,perhaps robots will think on their own.B.Attributive clause:(1)China is the third nation that sent a person into space.(2)He is our national hero who/that travelled around
19、 the earth in Shenzhou for 21 hours in 2003.,定 语 从 句（1）,定语从句在句中做定语，用于修饰句中的某一名词（或代词）。被定语从句修饰的词叫做“先行词”，定语从句必须放在先行词之后。定语从句由关系代词who,whom,whose,which,that 和关系副词when,where,why 等引导。定语从句结构：先行词+关系词+定语从句,Grammar,He is an American astronaut who was the first man to set foot on the moon.,关系代词,定语从句,先行词,Review,人,
20、物,Shenzhou is a spaceship that/which was launched with three astronauts in 2013.,Review,Who,物,主语，宾语,Attributive Clause,1.He is our national hero who traveled around the earth in Shenzhou V for 21 hours in 2003.2.China is the third nation that sent a person into space.3.Its a spaceship which was laun
21、ched as Chinas first lunar probe.,()1.The number of people _ lost their lives in Indonesian earthquake reached as many as 6200.A.which B.who C.Whom()2.-Have you been to the new Sports Center _ is just opened in town?-No,not yet.A.where B.who C.that()3.This is a new museum _ was built last year.A.whe
22、n B.who C.which()4.Do you know the girl _ is singing on the stage?A.who B.what C.which,Review,B,C,C,A,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.who D.whose 3.People are talking about
23、 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.Its interesting that there are many people _ speak French in Canada.A.which B.where C.who D.whom,Exercises,2 Study the c
24、hange of the following sentences.Then try to find the rules and fill in the blanks.,1.Yang Liwei is our national hero.He traveled around the earth in Shenzhou V for 21 hours in 2003.Yang Liwei is our national hero who/that traveled around the earth in Shenzhou V for 21 hours in 2003.2.Wang Yaping is
25、 a woman astronaut.She gave us a lesson in Shenzhou X spaceship.Wang Yaping is a woman astronaut _.3.Shenzhou X is a spaceship.It was launched with three astronauts in 2013._.,who/that gave us a lesson in Shenzhou X spaceship,Shenzhou X is a spaceship that/which was launched with three astronauts in
26、 2013,4 Choose the correct forms of the given words to complete the passage.,Neil Alden Armstrong was born on August 5,1930.He was an American astronaut _(which/who)was the first man to set foot on the moon.During his life,he took part in two space flights.On July 20,1969,his second and last space f
27、light was in a famous spaceship _(which/who)was named Apollo 11.Along with his partner,Buzz Aldrin,Armstrong had a spacewalk and then _(lands/landed)on the lunar surface.They spent 2.5 hours _(exploring/to explore)and collecting soil and rocks to take back to earth.On July 24th,they returned to the
28、earth _(safe/safely).,who,which,landed,exploring,safely,No one knows for _ what our future will be like,but most people think that robots will be part of our _.So far,robots havent _ us any problems.They work for us like _ all the time.They help us do _ and difficult work.People are _ at the rapid d
29、evelopment 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 ma
30、sters.They _ treat us as we now treat our pets.,Exercises,long,they,surprise,cause,certainly,live,servant,danger,warn,may,certain,lives,caused,servants,dangerous,surprised,their,warns,longer,might,Complete the following diagram.,computers,usage,problem,work,daily life,_ of a spaceship.help doctors _
31、._ in factories.help businessmen _.,play games and _._ and _ at home._ by sending e-mails and _.,get headaches or _.dont have enough time _.something on Internet is not _.,control the speed and direction,find diseases easily,control the robots,place and cancel orders,watch movies,do shopping,do business,communicate,chatting online,sore eyes,to study or exercise,true or good,Retell it!,Thank you,
