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. ...
When were automobile safety air bags invented?DAN JEDLICKA
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 ...
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,...
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...
eaf out when taste that it popular te a but would pack hohowever The te a bag was invented in 1980 by Thomas Sullivan, an American te a seller. He was sex___free te a in silk bags for people to try. People put the bags with the te a 2.___ into t nd added hot water. The...
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...
(C)When a family climbs into a vehicle to go on a trip or even a short ride, it's important that every one is as safe as possible. We know that terrible accidents can occur. That's why devices like seat belts and air bags have been invented and put into cars, vans, and trucks....
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...
Unit 6 When was it invented 教学目标Section A 1 (1a-2d)一、教学目标:1.学习关于发明的单词。2.能听懂并能简单地谈论发明史。3.通过开展小组学习活动,能正确地使用一般过去时的被动语态。4. 通过交流表达和听力训练,引入一般过去时的被动语态“was/were+done”。