《When was it invented?》PPT課件13
Look and number the things in right order.
A: I think the TV was invented before the car. What’s your opinion?
B: I agree./ I don’t think so/disagree. I think the TV was invented after the car.
According to what you have listened, answer the questions below.
1. What did the grandma have when she was young?
2. Why didn’t they have a TV at that time?
3. Does grandma have personal computer now?
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What invention are they talking about?
The zipper.
Who invented the zipper?
It was invented by Whitcomb Judson.
When was the zipper invented?
In 1893.
When was it used widely?
In 1917.
Where can you see zippers?
On dresses, trousers, shoes, bags,… almost everywhere.
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discover, invent和find都是動(dòng)詞, 它們的詞義相近, 但是有區別:
★discover意為“發(fā)現”, 指發(fā)現某種本來(lái)存在,但以前未被發(fā)現或未為人所知的事物或現象。
The lost bike was discovered at the bus stop.
丟了的自行車(chē)在公共汽車(chē)站那兒找到了。
Later I discovered that he was so kind.
后來(lái)我才發(fā)現他那么善良。
★invent 意為“發(fā)明”, 指發(fā)明以前不存在的東西。
Do you know who invented the computer? 你知道誰(shuí)發(fā)明的電腦嗎？
★find 意為“找到, 發(fā)現”, 指偶然發(fā)現或幾乎沒(méi)有困難地發(fā)現。
I found some old photos in that drawer.我在那個(gè)抽屜里發(fā)現了一些舊照片。
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根據句意和所給漢語(yǔ)提示, 完成下列單詞的確拼寫(xiě)。
1. That’s the most _________ (有用的) book.
2. It is said that Thomas Edison had 1,093___________ (發(fā)明) during his lifetime.
3. --- What is this kind of machine used for?
--- It’s used for _________ (聽(tīng)) to music.
4. If you _________ (加熱) the ice, it will soon become water.
5. Children also need time _________ (玩耍).
關(guān)鍵詞：《When was it invented?》教學(xué)課件，人教版九年級上冊英語(yǔ)課件，九年級英語(yǔ)幻燈片課件下載，《When was it invented?》PPT課件下載，.ppt格式
