九年级英语_unit4_Topic2SectionC课件.ppt

Look at the pictures,then ask and answerpaper/made from towel/made of(from)toothbrush/clean teethink/write1234 A:Whats this in English?(How dou say this in English?)B:Its-A:Whats it made of?B:Its made of-A:Whats it used for?B:Its used for-Ask and answer in pairs 1)A:Whats this in English?B:Its-A:Who was it invented by?B:It was invented by-A:When was it invented?B:-a car/Karl Benz/188512 a TV/John Baird/19263a telephone/Alexander Graham Bell/18762)What do you think of cloning?Checking()your opinions and explain your results to the class.讨讨 论论nameGoodBadInteresting Terrible othersUnit4 Fantastic ScienceTopic 2 When was it invented?Section C Robots-Our Servants in the Future Look at the picture and talk about it.1.Whats this?2.What can robots do for humans?3.Do you think robots will be our masters in the future?(1)Robots can do dangerous work.(2)Robots can do hard work.(3)Robots canwork faster than humans.-But robots will make humans lose their jobs.-Listen to the passage and answer the following questions.1.Are you sure that robots will be a part of life?2.Will they be friendly?3.Will robots create problems for humans?Read the passage and discuss the questions withyour partner.Finish 1C.1.Do you think that robots will be a part of our lives in the future?2.Robots are meant to be our servants,arent they?3.Do you think robots can think or act for themselves?4.Why does the title need a question mark?1.know/say for certain“确切知道”/“肯定地说”2.be surprised at“对-感到惊讶”3.in a few years “in”“在-以后”4.once“一旦”5.warn“警告”warn sb of(about)sth warn sb not to do6.no longer“不再”=not-any longer I know for certain that hes in,but he wont answer me.He will come back in a few days.Once you need help,please call me.He often warns us of the danger here.The teachers often warn us not to swim in the river.You are no longer a little child./You arent a little child any longer.Match the words with their meanings.Fnish 1b1.servant a.tell sb that something bad or dangerous may happen so that they can prevent it2.certain b.make sth happen or appear3.warn c.a person who works in another persons house4.cause d.sure and confident,without any doubtsGroup work Discuss the advantages and the advantages of robots.Advantages1.Robots can do some work better than humans.2.Robots can do dangerous work.3.Robots can do hard work.4.Robots can work faster than humans.5.Robots work without pay.6.Robots may take the place of humans in some situations.Disadvantages1.Robots will make humans lose their jobs.2.Robots will make humans lazy.3.Once robots think for themselves,they will no longer want to be ours servants,but our masters.Homework:Written work.Design a robot and write a passage about it.The following questions may help you.1.What does it look like?2.Whats its name?3.What can it do for us?4.Can it think for itself?5.What are its advantages and disadvantages?