Unit4Topic3SectionD1.ppt

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1、We are the greatest person in the world!We never give up!Never give in!Never say impossible!We always be positive!We always aim high!We are the best!We are the wonder!We are the greatest person in the world!Unit 4 Amazing ScienceTopic 3 China is the third nation that sent a person into space.Section

2、 D 学习目标：学习目标：1.通过学习机器人对人类的通过学习机器人对人类的利与弊，学习如何谈论事物的利与弊，学习如何谈论事物的有利因素和不利因素。有利因素和不利因素。2.总结复习定语从句的用法。总结复习定语从句的用法。Do you like robots?If you had a robot,what would you like it to do for you?Read 1a,then mark T or F.1.Robots have caused us many problems in recent years.()2.Nobody thinks robots will be part

3、 of our lives.()3.Maybe there will be a war between human beings and robots in the future.()FFTFind the words in the passage according to the following meanings.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 hou

4、sework 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_arnauseervantertainerhapsFill in the blanks.1.Theres _ _(无疑地)that China has made great progress in its space industry.2._(微型的)novels are very popular with chil

5、dren.3.The flight was_(取消)because therell 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 do

6、ubtTinycanceledBesidesfor certainon their own 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 development

7、 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

8、 _ treat us as we now treat our pets.long,they,surprise,cause,certainly,life,servant,danger,warn,maycertainlivescausedservantsdangeroussurprisedtheirwarnslongermight1.Do you think that robots will be part of our lives in the future?Why?2.Robots are considered to be our servants,arent they?3.Do you t

9、hink robots can think or act for themselves?4.Why does the title have a question mark?Talk about the disadvantages of the computer.The advantages and disadvantages of the computerHe is an American astronaut who was the first man to set foot on the moon.关系代词关系代词定语从句定语从句先行词先行词人物The book which I bought

10、 yesterday cost me 20 yuan.Who人Which物that人物关系词关系词先行词先行词在从句中成分在从句中成分_人人主语，宾语主语，宾语which_主语，宾语主语，宾语that物物 ，人，人_Who物物主语，宾语主语，宾语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

11、 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.Fill in the blanks.1.It _(prove)that China has made

12、 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.provesexploringserveconnectedmainly