人教新目标 (Go for it) 版九年级全册Section A优质课件ppt
展开T learn t understand and use the passive vice(past tense) be + v (ed). T learn t listen fr the details.T learn t talk abut when the inventins were invented and wh the inventins were invented by.
D yu knw the Fur Great Inventins in ancient China? What are they?Except thse inventins, can yu think f ther famus nes?
paper-making 造纸术
cmpass 指南针
printing 印刷术
gunpwder 火 药
paper Cai Lun105 A. D.
printingBi Sheng1041-1045
What is it?Wh and when was it invented …
cmpass11th Century
gunpwder9th Century
D yu knw what these inventins are?
D yu knw the fllwing inventins? Wh invented them?When were they invented?
carKarl Benz in 1885
calculatrin 1971
telephnein 1876
TV in 1927
D yu knw wh these inventrs are?
Alexander Bell
J. L. Baird
Can yu match the inventins with the right inventrs?
1a Lk at the things belw. In what rder d yu think they were invented? Discuss them with yur grup. Then number them[1-4] (1=first, 4= last)
1b Listen and match the inventins with the dates.
_____ 1876_____ 1885_____ 1927_____ 1971
Listen again and answer the questins.
Did grandma’s family have a car? Did grandma’s family have a TV? Why?
Yes, they had a car.
N, they didn’t have a TV, because they culdn’t affrd ne.
1c Student B, cver the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change rles and practice again.
A: When was the telephne invented? B: I think it was invented in 1876.
Make a similar cnversatin with yur partner using the 1b as a mdel.
A: When was the TV invented?
B: It was invented in 1927.
A: Wh was it invented by?
B: It was invented by Baird.
T: When was the telephne invented?
S: It was invented in 1876.
T: Wh was it invented by?
S: It was invented by Bell.
Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.
The first telephne was invented (by Bell) in 1876.
Bell invented the first telephne in 1876.
The first televisin was invented (by J. L. Baird) in 1927.
J. L. Baird invented the first televisin in 1927.
Bill Hewlett
Write a passage abut the inventins between 1940 and 1990.
There were many inventatins between 1940 and 1990. The first clr televisin was invented by Peter Gldmark in
1. invent v. 发明 指经过认识和实践创造出前所未有的事物。►Edisn invented the light bulb. 爱迪生发明了电灯泡。inventin和inventr都是名词, 前者意为“发明”,后者意为“发明家”。
Language pints
Language Pints
discver, invent和find都是动词, 它们的词义相近, 但是有区别:★discver意为“发现”, 指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。►The lst bike was discvered at the bus stp. 丢了的自行车发现在公共汽车站那儿。 ►Later I discvered that he was s kind. 后来我发现他如此善良。
★invent 意为“发明”, 指发明以前不存在的东西。►D yu knw wh invented the cmputer? 你知道谁发明的电脑吗?★find 意为“找到, 发现”, 指偶然发现或几乎没有困难地发现。►I fund sme ld phts in that drawer. 我在那个抽屉里发现了一些旧照片。
discver, invent和find
Ⅰ. 根据句意和所给汉语提示, 完成下列单词的拼写。1). Edisn _________ the electric lamp. 2). I lst my necklace last night. I haven’t ________ it. 3). Wh ___________ America first?4). The telephne _______________ in 1876. 5). Children als need time ________ (玩耍).
was discvered
Ⅱ. 根据汉语提示完成单词。 1. That’s the mst _________ (有用的) bk. 2. It is said that Thmas Edisn had 1,093___________ (发明) during his lifetime. 3. — What is this kind f machine used fr? — It’s used fr __________ (听) t music.
inventins
Ⅲ. 句型转换。1. The persnal cmputer was invented in 1976. (对划线部分提问) ________ _______the persnal cmputer ___________? 2. The shes with lights were invented by Julie Thmpsn. (对划线部分提问) _________ _________the shes with lights __________ ____? A Chinese named Cai Lun invented paper. (改被动语态) Paper _______ _______ _______ a Chinese named Cai Lun.
was invented by
Ⅳ.看图完成句子。1. (1885, invented) Cars _______ _________ in 1885. 2. (arund 1927, invented) The TV _______ _______ arund 1927.
3. (1971, invented)The persnal cmputer ______ ______ ______ 1971. 4. (1896,invented) The telephne_______ ______ ______ ______.
invented in
Paper ____first _____ abut tw thusand years ag in China by Cai Lun.is; inventing B. is; inventedC. has; invented D. was; invented
纸在两千多年前被发明,要用一般过去时的被动语态。
Listen t 1b.Finish ff the exercises.Make a cnversatin abut sme inventin.
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