2. Unit 9 When was it invented? Section A Period 1

3. bulb a light It is called. 被称为

4. What is it called? It is called a calculator.

5. battery-operated slippers shoes with adjustable heels What is it called? 电控拖鞋 可调节后跟的鞋

6. What is it called?

7. an inventor Who is he?

8. invented was invented by 发明 被 … 发明 be +v. 过去分词

9. Bell Edison Benz Light Wozinak was invented by

10. When was it invented? It was invented before the car.

11. A:What is it called? B: It is called a calculator. A: I think the calculator was invented before the computer. B:Well, I think the calculator was invented after the computer.Practice:

12. When was it invented?

13. 1879 1976 1876 1903 1885 was invented in

14. Task 1 Task 2 Task 3

15. What is it called? It is called a heated ice cream scoop.

16. What is it used for? It is used for scooping cold ice cream.

17. Julie Thompson battery-operated slippers Chelsea Lanmon heated ice cream scoop Jayce Coziar and Jamie Ellsworth shoes with adjustable heels

18. seeing in the dark battery-operated slippers scooping really cold ice cream heated ice cream scoop changing the style of the shoes shoes with adjustable heels

19. InventionWhenWhoWhat is it used for? telephone1876Belltalking with people bulb1879Edisonseeing in the dark car1885Benz plane1903Light computer1976Wozinak

21. I want to know the history of …

22. Task 1 Task 2 Task 3

24. 被动语态强调 “ 宾 ” ， 用 be 加上 “ 过去分 ” 。 （ be+ 过去分词） “be” 要随着主语变， 人称时态要弄准。 “ 行为对象 ” 作主语， 逻辑主语 “by” 来引。

25. (bulid; enjoy; make; use; speak) 1.Calculators ________ for calculating. 2.This kind of cars ________ in our factory last year. 3.English _________as a first language in this country. 4. His father works in a car factory. It _________ in 1985. 5.The game _________by all the studnets. are used was made Choose the words and fill in the blanks : is spoken is enjoyed was built

26. 1.It is said that potato chips ___ by accident about a hundred years ago. (2006 北京 ) A. invent B. invented C. are invented D. were invented 2. Personal computers ___ in 1976. It has changed the whole world. (2006 沈阳 ) A. have been invented B. are invented C. were invented D. invented 3. –When ___ the telephone ___, do you know? --Yes, in 1876. (2006 新疆 ) A. was; invented B. is; inbented C. did; invent D. had; invented. D Choose the best answer :

27. 1.It is said that potato chips ___ by accident about a hundred years ago. (2006 北京 ) A. invent B. invented C. are invented D. were invented 2. Personal computers ___ in 1976. It has changed the whole world. (2006 沈阳 ) A. have been invented B. are invented C. were invented D. invented 3. –When ___ the telephone ___, do you know? --Yes, in 1876. (2006 新疆 ) A. was; invented B. is; inbented C. did; invent D. had; invented. D C Choose the best answer :

28. 1.It is said that potato chips ___ by accident about a hundred years ago. (2006 北京 ) A. invent B. invented C. are invented D. were invented 2. Personal computers ___ in 1976. It has changed the whole world. (2006 沈阳 ) A. have been invented B. are invented C. were invented D. invented 3. –When ___ the telephone ___, do you know? --Yes, in 1876. (2006 新疆 ) A. was; invented B. is; inbented C. did; invent D. had; invented. D C Choose the best answer : A

29. 1.It is said that potato chips ___ by accident about a hundred years ago. (2006 北京 ) A. invent B. invented C. are invented D. were invented 2. Personal computers ___ in 1976. It has changed the whole world. (2006 沈阳 ) A. have been invented B. are invented C. were invented D. invented 3. –When ___ the telephone ___, do you know? --Yes, in 1876. (2006 新疆 ) A. was; invented B. is; inbented C. did; invent D. had; invented. D C Choose the best answer : A

30. 4. –Your dress is so nice. (2006 浙江 ) –Thanks! It ___ by my uncle as a birthday gift. A. bought B. was bought C. has bought D. will buy 5. –Look. What a nice garden! --Yes. It __ every day. (2006 甘肃 ) A. has been cleaned B. was cleaned C. is being cleaned D. is cleaned B Choose the best answer :

31. 4. –Your dress is so nice. (2006 浙江 ) –Thanks! It ___ by my uncle as a birthday gift. A. bought B. was bought C. has bought D. will buy 5. –Look. What a nice garden! --Yes. It __ every day. (2006 甘肃 ) A. has been cleaned B. was cleaned C. is being cleaned D. is cleaned B Choose the best answer : D

32. 4. –Your dress is so nice. (2006 浙江 ) –Thanks! It ___ by my uncle as a birthday gift. A. bought B. was bought C. has bought D. will buy 5. –Look. What a nice garden! --Yes. It __ every day. (2006 甘肃 ) A. has been cleaned B. was cleaned C. is being cleaned D. is cleaned B Choose the best answer : D

33. 1.Copy and remember the words and sentences.(3+1) 2. Write a composition to show your inventions to the Africans. (optional) 3. Preview the words and phrases on P70. Homework:

34. Thank you! Goodbye!