八年级英语上学期unit9lesson34.ppt

Lesson 34 scientist invent -- invented -- inventor -- invention be useful Chinese people have four inventions. They are paper , printing(印刷术),powder(火药) and compass(指南针). Who_____________ paper? Who_____________ printing? I think they are all _________. invented invented useful robots Discuss the following questions: 1.What can robots do ? 2.Why are they useful ? Robots do all kinds of work for people. Some robots can paint(油漆) cars, because the paint(漆) is dangerous for people. Some robots can be used(被用来) under the sea to find ships; Some robots are used in space(太空); Some robots go into volcanoes(火山) where people can not go. . Today ,robots are helping doctors; robots are helping to make highways; robots are helping make tall buildings; robots are helping people cut(割) grass. They are very useful. 1.Susan is Mr Mott’s wife. 2.Mr Mott invented the memory robot because Susan had a bad memory. √ × Do yes and no questions: 3.The memory robot followed Mr Mott just at night. 4.The memory robot sometimes knew Mr Mott’s questions. 5.Susan liked to ask the robot questions, too. √ × × all the time always Do yes and no questions: 1.What does Mrs. Mott do? 2.What did she invent last year? 3Did the memory robot help Mr. Mott a lot? 4What did the memory robot do with Mr. Mott? Answer these questions: 5.DidMr. Mott like the memory robot? How do you know that? 6.Why did Mrs. Mott invent the memory robot for her husband? 7.Why did robot follow Mr. Mott everywhere? Answer these questions: We learned some verbs Simple Past tense forms(动词过去 式形式), can you find them? invented(invent) had(has/have) couldn’t(can’t) forgot(forget) followed (follow) the memory robot: listened(listen) he said(say) saw (see) he did (do) went (go) watched (watch) … knew(know) talked (talk ) ate(eat) Answer the questions of Part3. 1.A:Who_______ Susan Mott? B:____ _____ ____ _____ _____. 2.A:What _____ she ______ for her husband last