【最新】九年级英语 Section A 2 课件 人教新目标版 课件

1、【最新】九年级英语 Section A 2 课件 人教新目标版 课件Unit 9When was it invented?Section A Period 2 【最新】九年级英语 Section A 2 课件 人教新目标版 课件Four great inventions in ancient China: Paper-making(造纸术）造纸术） Compass（指南针）（指南针） Printing（印刷术）（印刷术） Gunpowder（火药（火药)【最新】九年级英语 Section A 2 课件 人教新目标版 课件A: When was the telephone invented?B:

2、 It was invented in 1876.A: Who was the telephone invented by?B: It was invented by Alexander Bell.A: What is it used for?B: It is used for talking on the phonetelephonein 1876Alexander Bell【最新】九年级英语 Section A 2 课件 人教新目标版 课件computerin 1976A: When was the computer invented?B: It was invented in 1976.

3、A: What is it used for?B: It is used for chatting online/studying/【最新】九年级英语 Section A 2 课件 人教新目标版 课件televisionin 1927A: When was the television invented?B: It was invented in 1927A: What is it used for?B: It is used for watching exciting matches.【最新】九年级英语 Section A 2 课件 人教新目标版 课件 in 1971A:When was t

4、he calculator invented?A:What is it used for?B: It was invented in 1971B:It is used for calcalating numbers.calculator【最新】九年级英语 Section A 2 课件 人教新目标版 课件Dialogue 1:A: What is this?B: It is an alarm clock. A: What is it used for?B: It is used for waking people up in the morning.A: Do you think it is a

5、nnoying?B: Yes .Sometimes, when I want to go on sleeping.alarm clock【最新】九年级英语 Section A 2 课件 人教新目标版 课件Dialogue 2: A: What is this? B: It is a light bulb. A: What is it used for?B: It is used for giving light.A: Do you think it is helpful?B: Yes, I think so. Because I can see in the dark.light bulb【最

6、新】九年级英语 Section A 2 课件 人教新目标版 课件Dialogue 3:A: What is this?B: It is a microwave oven. A: What is it used for?B: It is used for heating cold food and cooking meals.A: Do you think it is helpful?B: Yes, I think so. Because I can use it to cook meals by myself easily.microwave oven【最新】九年级英语 Section A 2

7、 课件 人教新目标版 课件microwave ovenalarm clocklight bulbA: What do you think is the most helpful invention of the three?B:I think the most helpful invention is the light bulb.A: Why is that?B:Well,it gives people more time to work and play every day.【最新】九年级英语 Section A 2 课件 人教新目标版 课件Dialogue 1:A:Whats this

8、?B:It is a vacuum cleaner .A:Do you think it is the most helpful invention?B:Yes I do. I think the most helpful invention is the vacuum cleaner. A: Why is that?B: Well, it can help me clean the floor Pairwork (4:P70)vacuum cleanervkjum 【最新】九年级英语 Section A 2 课件 人教新目标版 课件B: Well, I feel uncomfortable in the room with an air-conditioner.Dialogue 2:A: What do you think is the most annoying invention?B: I think the most annoying invention is the air-conditioner.A: Why is thatair-conditionerkn,din 【最新】九年级英语 Section A 2 课件 人教新目标版 课件Groupwork (4: P70) I think the most helpful