课件34张PPT。Unit 9 When was it invented?Section A 1a---1cPeriod 1Four ancient(远古的, 旧的)inventionscompassgun powder printingpaperinventionscarWhat’s this called in English?televisiontelephonepersonal computercalculatorumbrellaalarm clockcameramicrowave ovens abacusesbinocularslight bulbsbatteryBatteriesWhat are these called in English?A: When was the car invented?
B: Well, I think it was invented in ….
1885
1876
1927
1971Brain StormA: When was the telephone invented?
B: Well, I think it was invented in ….
1885
1876
1927
1971A: When was the television invented?
B: Well, I think it was invented in ….
1885
1876
1927
1971A: When was the person computer invented?
B: Well, I think it was invented in ….
1885
1976
1927
1971A: When were the light bulbs invented?
B: Well, I think they were invented in ….
1885
1871
1927
1971A: When were the binoculars invented?
B: Well, I think they were invented in ….
1854
1871
1927
1971Look at the things. In what order (顺序)
do you think they were invented?A: I think the calculator was invented before the computer.
B: Well, I think the calculator was invented after the computer.
1aA: I think … was invented before …
B: Well, I think … was invented after ….
GuessThe car was invented before the television.A: I think … was invented before …
B: Well, I think … was invented after ….
GuessThe telephone was invented before the personal computer.A: I think … was invented before …
B: Well, I think … was invented after …
GuessThe calculator was invented before the battery.
The battery was invented after the calulator.A: I think … was invented before …
B: Well, I think … was invented after …
GuessThe camera was invented before the calculator.
The calculator was invented after the camera.A: I think … was invented before …
B: Well, I think … was invented after …
GuessThe binoculars were invented before the calculator.
The calculator was invented after the binoculars.Listen and match the inventions with the dates.abedc1876___
1885___
1927___
1971___
1976___dabec1b13425Answer : the right order they were inventedA: When was the _______ invented?
B: I think it was invented in ______.197618851876192719711cPairworkin 1927A: What is this called in English?B: It is called a television.A: When was the television invented?B: It was invented in 1927.in 1976in 1971in 1885in 1876in 1827in 1871in 1854in 1800am / is / are + vt.pp
was / were + vt.ppPractiseEdison invented the light bulb.The light bulb was invented by Edison.Who was the light bulb invented by?The telephone by Bell.was invented Who was the telephone invented by?Bell invented the telephone.______ was invented by _______.The carKarl BenzWho was the car invented by?Karl Benz invented the car.A: What is the car used for?
B: The car is used for traveling. A: What is the _______ used for?
B: I think it is used for _______________
.talking with peopleA: What is the
used for?
B: I think it is used for _______. (count)countingA: What is the
used for?
B: I think it is used for ________.(work)workingA: What is the
used for?
B: I think it is used for _____.(ride)
ridingA: What is the
used for?
B: It is used for ___________.(count)countingA: What is the
used for?
B: It is used for
___________. (watch the things far away clearly)watching the things far away clearly.
A: What is the ________ used for?
B: It is used for __________________ .making the food hot.(make the food hot)A: When was …invented?
B: It was invented in…
A: Who was it invented by?
B: It was invented by…
A: What is the … used for?
B: The … is used for doing… PairworkWho were they invented by?
What are they used for?adjustable 可调整的operate 操作 heat 加热
Homework1.根据1a 的图片,仿造１c 的对话写出类似的其它４个对话
2. 完成作业本上的练习
