新目标初中英语九年级上册Unit 9《When was it invented》课件Period 2 Section A (3a-4).ppt
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1、Unit 9 When was it invented?,Period 2 Section A 3a-4,Its used for washing clothes. They are used for seeing in the dark. Its used for making a milk shake. It was invented by Bell. It is used for talking with friends who are far away.,Guessing game,What inventions are they?,Making your own riddles,It
2、s used for They are used for ,A: What are they? B: They are light bulbs. A: What are they used for? B: They are used for giving light. A: Are they helpful? B: Yes, they are. Because I always do homework and read books in the evening by their light.,A: What is this? B: It is a microwave oven. A: What
3、 is it used for? B: It is used for heating cold food and cooking meals. A: Is it helpful?,B: Yes, I think so. Because my parents are very busy and I can use it to cook meals by myself.,A: What is this? B: It is an alarm clock. A: What is it used for? B: It is used for waking people up. A: Is it help
4、ful?,B: No, I dont think so. I think it is annoying. Because it wakes me up when I want to go on sleeping.,New inventions are invented all the time. Inventions can change our lives a lot. Most of the inventions are helpful, but some of them are annoying.,3a,Make a list of five helpful inventions and
5、 five annoying inventions.,telephone alarm clock,computer, radio,cigarette,plane, car,camera,light bulb,paper, elevator,mobile phone,truck,computer games,junk food,A: What do you think is the most helpful /annoying invention? B: I think the most helpful/annoying invention is A: Why is that? B: Becau
6、se .,Do a survey,I think _ is the most helpful invention. Because it _. But I think _is the most annoying invention. Because it_. My partner thinks _ is the most helpful because it_. But he/she thinks _ is the most helpful because it_.,Make a report,Help Robinson,Robinson has many adventures. One da
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