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1、,Section A 1a-2d,When was it invented ?,Unit 6,Peng,教学重难点,本课时的单词、词组和句型，学习运用一般过去时态的被动语态。,heel n. 鞋跟; 足跟,Can you remember these words?,scoop n. 勺; 铲子,electricity n. 电; 电能,style n. 样式; 款式,e.g. I like the style of the skirt. 我喜欢这条裙子的款式。,car,Whats this called in English?,TV,telephone,computer,Look at the
2、 things. In what order do you think they were invented?,A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car.,I think the TV was invented before the car.,Well, I think the TV was invented after the car.,I think the telephone was invented before the comput
3、er.,Well, I agree with you.,Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them 1-4.,1a,2,3,1,4,Listening,Listen and match the inventions with the years.,1b,_ 1876 _ 1885 _ 1927 _ 1971,d,a,c,b,Student B, cover the dates. Student A,
4、ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.,1c,When was the telephone invented?,I think it was invented in 1876.,When was the car invented?,It was invented in 1885.,When was the TV invented?,It was invented in 1927.,Listen and number the in
5、ventions 1-3 in the order you hear them.,2a,_ shoes with special heels _ shoes with lights _ hot ice-cream scoop, runs on electricity,1,3,2,Listen again and complete the chart.,2b,changing,serving,in the dark,Make conversations using the information in 2b.,What are the shoes with lights used for?,2c
6、,Theyre used for seeing in the dark.,What are hot ice-cream scoop used for?,Theyre used for serving for really cold ice-cream.,What are shoes with special heels used for?,Theyre used for changing the style of the shoes.,2d Read and answer questions.,What invention are they talking about? Do they thi
7、nk it a great invention? Why?,The zipper.,Yes. Because it is used widely in our daily lives.,3. Where can you see zippers? On dresses, trousers, shoes, bagsalmost everywhere. 4.When was it invented ? In 1893. 5.Who was it invented by? Whitcomb Judson. 6.When did the zipper become popular? Around 191
8、7.,Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention?,2d,My pleasure! Let me think hmm I know! The zipper!,Role-play the conversation.,The zipper? Is it really such a great invention?,Think about how often its used in our d
9、aily lives. You can see zippers on dresses, trousers, shoes, bags almost everywhere!,daily adj. 每日的；日常的 weekly adj. 每周的 monthly adj.每月的 yearly adj.每年的,Well, you do seem to have a point,Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed t
10、here.,For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasnt used widely.,v. 提到; 说到,Really? So when did it become popular?,Around 1917.,归纳总结 :,一般过去时态的被动语态构成： 肯定句: 主语+was/were+ done（动词 的过去分词）+其他： 否定式：主语+was/were+not+done+其他 一般疑问句：Was/Were+主语+done
11、+其他？） 特殊疑问句：特出疑问词+was/were+主语+done+其他？,1. Sweaters are used for _ warm. A. to give B. to keep C. giving D. keeping 2. _ do you think the computer was invented by? A. When B. What C. Who D. Why 3. Shed like to have a mobile phone _ she could communicate with her friends. A. though B. until C. unless
12、D. because,Exercises,4. Does the boy enjoy _ music with his MP4 all day? A. to hear B. hearing to C. to listen D. listening to 5. What is a telephone used _ , class? A. to B. in C. for D. about,6. Was a car invented _ March 4, 1876? A. on B. in C. at D. of 7. Can you tell me _ the train was invented
13、? A. what B. who C. when D. which 8. I think the _ invention is a mobile phone. What about you? A. Helpful B. most helpful C. Helpfully D. most helpfully,9. The bridge _ by the workers in 2009. A. built B. build C. was build D. was built 10. Rice is grown in South China _ farmers. A. by B. in C. wit
14、h D for,用所给词的适当形式填空,1. The blender is used for_ (make) a banana milk shake. 2. The car_ (invent) in 1885. 3. They_ (use) animals to do this kind of work in the past. 4. Tom takes no_ (please) in his work. 5. Electricity is becoming more and more important in our_ (day) lives.,making,was invented,use
15、d,pleasure,daily,Thats all!,Thanks for listening!,Bye!,5.Did you go to Jacks birthday party? No, I_. A. am not invited B. wasnt invited C. havent invited D. didnt invite 6.The book Business the Speed of Thought _ in 1999. A. writes B. is written C. wrote D. was written,B,D,7. _a new library _ in your school last year? A. Is; built B. Was; built C. Does; built D. Did; built 8. The earth is our home. It _well. A. must be protected B. should protect C. need protect D. should protected.,B,A,9. So kind of you to give me a r
