人教版九年級英語上冊《When was it invented?》SectionA PPT教學課件，共32頁。
Learning Objectives
By the end of the class, you will be able to:
use “was/were done” to introduce different inventions;
use “be used for” to talk about functions.
Listen and answer the questions.
Which invention did Roy mention?
The zipper.
Is it a great invention? Why?
Yes, it is.
Because it’s used widely in our daily lives. It can be seen on dresses, trousers, shoes, bags … almost everywhere.
Language points
Well, you do seem to have a point ...
have a point: 指某人的說法或者想法“有道理”。
do: 在肯定句和祈使句當中，在謂語動詞前添加助動詞do常用來表示強調。
我真的希望你能來參加我的聚會。
I do hope you can come to my party.
Could you find some common points among these sentences?
1. The pioneers of different inventions were listed there.
2. The zipper was invented by Whitcomb Judson in 1893.
3. But at that time, it wasn’t used widely.
... ... ...
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