人教新目標 (Go for it) 版九年級全冊Unit 6 When was it invented?Section A完整版ppt課件-課件下載-教習網(wǎng)

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 造紙術(shù)
cmpass 指南針
printing 印刷術(shù)
gunpwder 火藥
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. 發(fā)明指經(jīng)過認識和實踐創(chuàng)造出前所未有的事物。?Edisn invented the light bulb. 愛迪生發(fā)明了電燈泡。inventin和inventr都是名詞，前者意為“發(fā)明”，后者意為“發(fā)明家”。
Language pints
Language Pints
discver, invent和find都是動詞, 它們的詞義相近, 但是有區(qū)別:★discver意為“發(fā)現(xiàn)”, 指發(fā)現(xiàn)某種本來存在,但以前未被發(fā)現(xiàn)或未為人所知的事物或現(xiàn)象。?The lst bike was discvered at the bus stp. 丟了的自行車發(fā)現(xiàn)在公共汽車站那兒。 ?Later I discvered that he was s kind. ??后來我發(fā)現(xiàn)他如此善良。
★invent 意為“發(fā)明”, 指發(fā)明以前不存在的東西。?D yu knw wh invented the cmputer? ????你知道誰發(fā)明的電腦嗎？★find 意為“找到, 發(fā)現(xiàn)”, 指偶然發(fā)現(xiàn)或幾乎沒有困難地發(fā)現(xiàn)。?I fund sme ld phts in that drawer.????我在那個抽屜里發(fā)現(xiàn)了一些舊照片。
discver, invent和find
Ⅰ. 根據(jù)句意和所給漢語提示, 完成下列單詞的拼寫。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. 根據(jù)漢語提示完成單詞。 1. That’s the mst _________ (有用的) bk. 2. It is said that Thmas Edisn had 1,093___________ (發(fā)明) during his lifetime. 3. — What is this kind f machine used fr? — It’s used fr __________ (聽) t?music.
inventins
Ⅲ. 句型轉(zhuǎn)換。1. The persnal cmputer was invented in 1976. (對劃線部分提問) ________ _______the persnal cmputer ___________? 2. The shes with lights were invented by Julie Thmpsn. (對劃線部分提問) _________ _________the shes with lights __________ ____? A Chinese named Cai Lun invented paper. (改被動語態(tài)) Paper _______ _______ _______ a Chinese named Cai Lun.
was invented by
Ⅳ.看圖完成句子。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
紙在兩千多年前被發(fā)明，要用一般過去時的被動語態(tài)。
Listen t 1b.Finish ff the exercises.Make a cnversatin abut sme inventin.