人教版九年級英語下冊nit6IlikemusicthatIcandanceto.SectionB課件8

1、人教九年級英語人教九年級英語 unit 6 when was it invented?section a (1a- 2d)do you know?what are the four great inventions in the ancient china?do you know when it was invented?who was it invented by?畢畢升升do you know when it was invented?who was it invented by? 1a look at the things below. in what order doyou think

2、 they were invented? discuss them with your group. then number them 【1-4】(1= first, 4 = last). i think the tv was invented before the car. well, i think the tv was invented after the car. 語法重點一語法重點一 i think the tv was invented before the car. 我認(rèn)為電視比汽車發(fā)明得早。我認(rèn)為電視比汽車發(fā)明得早。 這是一個這是一個主從復(fù)合句主從復(fù)合句，think后面后面跟了

3、一個跟了一個賓語從賓語從句句。因為主句是。因為主句是一般現(xiàn)在時態(tài)一般現(xiàn)在時態(tài)，從句從句根據(jù)句意用了根據(jù)句意用了一一般過去時態(tài)般過去時態(tài)。（1）was invented意為意為“被發(fā)明被發(fā)明”，此結(jié)構(gòu)為，此結(jié)構(gòu)為一般過一般過去時的被動語態(tài)去時的被動語態(tài)。一般過去時的被動語態(tài)的結(jié)構(gòu)為。一般過去時的被動語態(tài)的結(jié)構(gòu)為“was/were + 及物動詞的過去分詞及物動詞的過去分詞”。如：如：these trees were planted last year. the car was bought yesterday. （2）invent做動詞，意為做動詞，意為“發(fā)明，創(chuàng)造發(fā)明，創(chuàng)造”，指發(fā)指發(fā)明以前沒有

4、的新東西明以前沒有的新東西。當(dāng)。當(dāng)物做主語物做主語時，常用時，常用被動被動語態(tài)語態(tài)。invention名詞，意為名詞，意為“發(fā)明物發(fā)明物”；inventor名詞，意為名詞，意為“發(fā)明家，發(fā)明者發(fā)明家，發(fā)明者”。如：如：edison, a great inventor, invented many great inventions during his life. many invention have been invented last year.1b. listen and match the inventions with the years._ 1876 _ 1885 _1927 _1

5、9761c. student b, cover the dates. student a, ask student b when the things in the picture in 1b were invented. then change roles and practice again. when was the telephone invented? i think it was invented in 1876. 2a. listen and number the inventions 【1-3】in the order you hear them. _ shoes with s

6、pecial heels _ shoes with lights _ hot ice-cream scoop,runs on electricity2b. listen again and complete the chart below.inventionwhat is it / are they used for?shoes with special heels_ the style of the shoesshoes with lightsseeing _hot ice-cream scoop_ really cold ice-cream2c. make conversations us

7、ing the information in 2b.what are they used for? theyre used for 語法重點二語法重點二what are they used for? 它它們是用來做什么的？們是用來做什么的？ be used for sth. /doing sth.意為意為“被用來做被用來做某事某事”，表示，表示用途用途或或目的目的，后接，后接名詞名詞或或動動名詞名詞，相當(dāng)于，相當(dāng)于be used to do sth。如：如：clothes are used for keeping (= to keep) warm. wood can be used for b

8、uilding (= to build) houses. the stick is used to write on the blackboard.語法重點二語法重點二辨析：辨析：be used for ，be used as 與與be used by(2)be used as 被用作被用作 , as是介詞是介詞，意為意為“作為作為”，其后一般接，其后一般接名詞名詞，強調(diào)使用，強調(diào)使用的工具或手段。的工具或手段。 如如:the box is used as a table by my mother. (3)be used by 被被使用使用, by是介詞是介詞， 意為意為“被被,由由”，后接動

9、作的執(zhí)行者。，后接動作的執(zhí)行者。 如如: the tools are used by the workers in the factory.2d. role-play the conversation. hey roy, the subject for my school project is “small inventions that changed the world.” can you help me think of an invention? my pleasure! let me thinkhmm i know! the zipper!the zipper? is it real

10、ly such a great invention? think about how often its used in our daily lives.you can see zippers on dresses, trousers, shoes, bagsalmost everywhere! well, you do seem have a point of course! i thought about it because i saw a website last week. the pioneers of different inventions were listed there.

11、 for example, it mentioned that the zipper was invented by whitcomb judson in 1893. but at that time, it wasnt used widely. really? so when did it become popular? around 1917. 語法重點三語法重點三the pioneers of different inventions were listed there.不同的發(fā)明的先驅(qū)者都列在這里。不同的發(fā)明的先驅(qū)者都列在這里。pioneer 作作名詞名詞，意為，意為“先鋒；開拓者；先

12、鋒；開拓者；先驅(qū)先驅(qū)”。如：如：he was a pioneer in the use of x-rays. i see everybody as a pioneer out there. 作作動詞動詞，意為，意為“開辟；首倡開辟；首倡”。如：如：she pioneered the use of the drug. 小結(jié)訓(xùn)練小結(jié)訓(xùn)練1. the telephone _ by a well-known scientist ,edison. a. invented b. inventing c. was invented 2. english is used _ a second language _ people in many countries. a. as, by b. for ,by c. as, for 3. -what is the bottle used for ? -it is used