九年級(jí)英語全冊《Unit9Whenwasitinvented-SectionA》課件人教新目標(biāo)版

1、Unit 6 When was it invented?,Section A,Which do you think is the most important invention in the world?,What others can you think of?,TV? telephone? radio? computer? calculator? car?,Do you know what they are?,computer,radio,television,calculator,telephone,car,1a. Groupwork,Look at the things below.

2、 In what orders do you think they were invented? Number them 1-5,5,2,4,1,3,1b. Listen and match the inventions with the dates.,1885,1976,a,b,1971,1876,c,d,1927,e,According to what you have listened, answer the questions below. 1. What did the grandma have when she was young? 2. Why didnt they have a

3、 television at that time? 3. Does grandma have personal computer now?,Telephone and car.,Because it was expensive.,Yes, she does.,1c. Pairwork,When was the computer invented?,I think it was invented in 1976.,_ Shoes with adjustable heels,Its used for scooping really cold ice cream.,Right. It was inv

4、ented by Chelsea Lanmon.,_ battery-operated slippers,_ heated ice cream scoop,2a.Listen and number the inventions in the order.,3,1,2,2b. Listen again and match the items in columns.,2c. Pairwork,What is it used for?,It is used for seeing in the dark.,3a. Hate it or like it?,alarm clock,camera,light

5、 bulb,herbicide,microwave oven,refrigerator,vedio graphying machine,air conditioner,plastic bags,Can you think of others?,3b. Pairwork,A: What do you think is the most helpful invention? B: I think the most helpful invention is the computer. A: why is that? B: Because it helps me search the informat

6、ion that I need.,4. Groupwork,Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you.,A: Id like to have a radio because I could listen to music all day. B: Yes, but thats not going to help you leave the island. I think it would be better to

7、 have a telephone.,Explanation,1. Its used for scooping really cold ice cream. be used for 意為“被用來”,強(qiáng)調(diào)用途或作用。 e.g. The duster is used for cleaning the rooms. be used as 意為”被當(dāng)作來用”，強(qiáng)調(diào)被當(dāng)作工具或手段來用。 be used by 意為“被使用，強(qiáng)調(diào)使用者。 e.g. The big box is used as a table. The car is used by our manager.,2. Shoes with a

8、djustable heels were invented by (1) with 是介詞，意為”“具有，持有，帶有”。 e.g. a girl with long hair a house with a blue roof (2) adjustable意為“可調(diào)整的，可調(diào)節(jié)的”。 e.g. I have a pair of shoes with adjustable heels. (3) invent是動(dòng)詞，意為“發(fā)明，創(chuàng)造”。 e.g. Edison invented the light bulb. invention是名詞，“發(fā)明，發(fā)明物” e.g. Edison had about 2

9、,000 inventions during his lifetime.,3. Battery-operated slippers were invented by operate用法： (1) “操作” e.g. Can you operate the computer? (2)“起作用，見效果” e.g.The sleeping pill operated at once. (3)“經(jīng)營，管理” e.g.The company operates ten factories. (4)“動(dòng)手術(shù)” e.g.The doctor will operate on his mother next we

10、ek.,4. annoying adj. 討厭的, 惱人的 (往往指事物) e.g. How annoying it is! 真討厭。 annoyed adj. 生氣的, 惱怒的 (往往指人) e.g. My father is annoyed with me. 爸爸在生我的氣。,5. helpful adj. 有幫助的, 有益的 e.g. Mr. White is a very helpful man. 構(gòu)詞法：n + ful adj e.g. use + ful useful thank + ful thankful beauty+ ful beautiful care + ful car

11、eful,6. Imagine that you are alone on tiny island. alone adj. 意為“單獨(dú)的”, 不帶感情色彩。 e.g. When his wife died, he lived alone. lonely adj. 意為“孤獨(dú)的, 寂寞的” e.g. He feels lonely when he is alone. lonely 指地方時(shí)表示“荒涼的, 偏僻的” e.g. The old man lives in a lonely small village.,7. I think it would be better to have (1)

12、would 在此處表示“料想或猜想、揣測”，后接動(dòng)詞原形或完成式。 e.g. What would she be doing there? (2)It is better to do sth “最好做“，it是形式主語，動(dòng)詞不定式是真正的主語。 e.g. It is better for you to walk to school. It is better to do sth=had better do sth,Grammar focus,The passive voice,一、語態(tài) 英語中動(dòng)詞有主動(dòng)語態(tài)和被動(dòng)語態(tài)兩種語態(tài)。 主動(dòng)語態(tài)表示主語是動(dòng)作的執(zhí)行者，被動(dòng)語態(tài)表示 主語是動(dòng)作的承受者，

13、在被動(dòng)語態(tài)中動(dòng)作 的執(zhí)行者 有時(shí)用by短語表示出來。 二、被動(dòng)語態(tài)的構(gòu)成 助動(dòng)詞be+及物動(dòng)詞的過去分詞 am(is,are)+done 一般現(xiàn)在時(shí) was(were)+done 一般過去時(shí),三、被動(dòng)語態(tài)的用法 1. 不知?jiǎng)幼鲌?zhí)行者時(shí)，常用被動(dòng)語態(tài)。 eg. My bike was stolen yesterday. This car is made in America. 2. 不必要說出動(dòng)作執(zhí)行者時(shí)，常用被動(dòng)語態(tài)。 eg. Rome was not built in a day. 3. 為了突出強(qiáng)調(diào)動(dòng)作的承受者時(shí)，常用被動(dòng)語態(tài)。 eg. Thousands of beaches are p

14、olluted .,四、主動(dòng)語態(tài)變?yōu)楸粍?dòng)語態(tài)的步驟: They speak English. 主語 謂語 賓語 English is spoken by them. 主語 謂語動(dòng)詞的過去分詞 賓語,(1)主動(dòng)語態(tài)的賓語變成被動(dòng)語態(tài)的主語。 (2)主動(dòng)語態(tài)的謂語動(dòng)詞變?yōu)楸粍?dòng)語態(tài)的謂語動(dòng)詞，即 “be+及物動(dòng)詞的過去分詞”(be有時(shí)態(tài)、人稱和數(shù)的變化)。 (3)主動(dòng)語態(tài)的主語變?yōu)閎y的賓語。,主動(dòng)語態(tài)變?yōu)楸粍?dòng)語態(tài)的步驟,主動(dòng)語態(tài)改被動(dòng)語態(tài),Bell,invented,the telephone,in 1876.,was,by,五、被動(dòng)語態(tài)的時(shí)態(tài)表示 被動(dòng)語態(tài)的時(shí)態(tài)一般只通過be表現(xiàn), 過去分詞 不

15、變。例如： 一般現(xiàn)在時(shí): The trees are planted by the farmers. 一般過去時(shí): The trees were planted by the farmers. 現(xiàn)在進(jìn)行時(shí): The trees are being planted by the farmers.,一般將來時(shí)：The trees will be planted by the farmers. 現(xiàn)在完成時(shí)：The trees have been planted by the farmers. 含情態(tài)動(dòng)詞的被動(dòng)語態(tài)：The trees can (must,should) be planted by t

16、he farmers.,六、被動(dòng)語態(tài)的幾種句型： 肯定句 主語+be+過去分詞+(by) A sweet song was sung by her on the stage. 否定句 主語+be+not+過去分詞+(by) A sweet song wasnt sung by her on the stage. 一般疑問句 Be+主語+過去分詞+(by) Was a sweet song sung by her on the stage? 特殊疑問句 疑問詞+be+主語+過去分詞+(by) Where was a sweet song sung by her?,They produced th

17、at kind of car. The workers built a bridge over the river. Mother tells me a story every day.,請把下列主動(dòng)句變?yōu)楸粍?dòng)句。,That kind of car was produced by them.,A bridge was built by the workers over the river.,I am told a story by mother every day.,1. The woman asked the policeman for help. 2. The old man on TV tells a story on Sunday. 3. Do they use the box as a table? 4. She sent me a collection last week. 5. The teacher doesnt teach us math this term.,練習(xí): 請把下列主動(dòng)句變?yōu)楸粍?dòng)句,6. Did Lily buy her sister a hat? 7. We often hear him play the violin