人教a版必修5_21數(shù)列的概念與簡單表示法(二)-文庫吧資料
2024-11-26 01:23本頁面
【正文】 g me up Who were invented whom were invented When was invented use the ________to count. The calculator____________ calculator is used for counting. The microwave oven_________ ________________ use ___________________to make the food hot. the microwave oven is used for _______is used for _______________. (talk with people) talking with people telephone making the food hot. 4. Who_____light bulbs_________by? puter________________ 1976. were invented was invented in 漢譯英。 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…/…ago? The abacus was invented in the sixth century by Chinese people. The umbrella was invented about 4,000 years ago in Assyria, China and Egypt. The binoculars was invented in 1854 by Galileo Porro in Italy. The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture. The bicy
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