人教版九年級英語上冊《When was it invented?》SectionA PPT教學課件(第3課時)，共23頁。
Exercises
Complete the following sentences.
1. 拉鏈是什么時候被發明的？
______ ______ the zipper ________?
2. 它于1893年被發明。
It ______ _________ in 1893.
3. 它是由誰發明的？
______ _____ it invented ______?
4. 是由Whitcomb Judson發明的。
It ______ _________ _______ Whitcomb Judson.
5. 茶葉什么時候被帶到朝鮮的？
______ ______ tea _________ to Korea?
6. 是在六到七世紀之間被帶到朝鮮的。
It ______ ________ to Korea ________the 6th and 7th centuries.
7. 熱冰淇淋勺用來做什么？
What _____ the hot ice-cream scoop ______ ______?
8. 它用來盛很涼的冰淇淋。
It’s ______ ______ ________ really cold ice-cream.
Rewrite the sentences using the passive voice.
1．They sold the fridge at a low price.
The fridge was sold at a low price.
2．Somebody stole my camera from my hotel room.
My camera was stolen from my hotel room (by somebody).
3．Where did you take these photos?
Where were these photos taken?
4．Our parents advised us not to go out alone.
We were advised not to go out alone by our parents.
5．Different writers translated the book into different languages.
The book was translated into different languages by different writers.
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