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九年级英语：Unit9_When_was_it_invented_Section_B讲义_人教新目标 Let’s make up some puzzles Here is a box. You can use it to cook many kinds of delicious food, such as fish, chicken, meat and rice. You can also use it to make cold dish and food hot in a few minutes. Let’s make up some puzzles Here is another box with a beautiful glass face. It looks like a TV, but it isn’t a TV. It can be used for working very fast. It can help you study or work. This little thing has got numbers from 0 to 9. It is very small, so you can put it into your pocket. Wherever you go, you can use it to talk to your friends and your families far away. Here is a big box. It can make your clothes clean and your housework easy. With its help you can have more time to relax or to work . Play a guessing game Was the …invented in…/…