When were automobile safety air bags invented?DAN JEDLICKA
Most of these bags are now made of nylon and elastic material.Answer and Explanation: The backpack was invented by Gerry Outdoors in 1938. Please note that at the time of its invention, the backpack was used in hiking, and other...
We can see zippers on dresses, trousers, bags...almost everywhere! Roy saw a website about it last week. The pioneers of 4.inventions were listed. For example,it 5.that the zipper was invented by Whitcomb Judson in 1893. Around 1917, it was used widely. ...
Yes, they were. Cars were invented in 1885. My family had a car. Well, did you have a TV? No, we couldn’t afford one. They were expensive in those days. The TV was invented around 1927, I think. Well,...
E. Not only old grandmas but also young mothers like his bags. F. He found that many other people were facing the same problem.G. Maybe these kinds of waste have made a big mess when you throw them away. 相关知识点: 试题来源: 解析 答案见上51. 【解析】逻辑推理题。根据“Many ...
Alice: Was your life very difficult when you were a kid? Grandma: Oh, not really. Why? Alice: Well, you didn’t have modern inventions like a telephone, right? Grandma: Of course we did! How old do you thi...
When were bed sheets first used? History. The term bed sheet was first used in the15th century. Bed sheets were traditionally white and made of cotton, linen or silk, but now various colors and patterns are used. Who invented bed sheet?
4. It's ___(相信) that personal computers were invented in 1971.5. (nly a few leaves ___(剩下)on the tree after a heavy rain in the late autumn.6. It's said that tea was an ___(意外的) invention.7. The movie star you ___(提到) just now is popular with the young.8....
Of course!I thought about it because I saw a website last week.The pioneers of different inventions were listed there.For example,it mentioned that the zipper was invented by Whitcomb Judson in 1893.But at that time,it wasn't used widely. 翻译:当然!我想到它,是因为我上周看到了一个网站...
E. Not only old grandmas but also young mothers like his bags. F. He found that many other people were facing the same problem.G. Maybe these kinds of waste have made a big mess when you throw them away. 相关知识点: 试题来源: 解析 答案见上31.根据"Be careful when throwing away...