When were mobile phones invented? Mobile phones, in particular smartphones, have become our inseparable companions. However, you might not know that the history of mobile phones actually goes all the way back to 1908 when a US Patent was issued in Kentucky for a wireless telephone. ...
2. - What do you know about(print)?It was invented in China during the Sui and Tang Dynasties. 相关知识点: 试题来源: 解析 【答案】printing【核心短语/词汇】know about 了解;知道...情况【翻译】关于印刷术你了解多少?它是在中国隋唐时期发明的。【解析】根据句意:关于印刷术你了解多少?它是在中国...
The Flowbee was invented in the late 1980s. What is it? It is a special kind of machine. It cuts hair with little mess. The Flowbee was made by an American man who built things with wood. In 1987, Rick Hunt was working in his wood shop. A lot of wood was cut in the shop,...
Several products and procedures were invented in 1974. One example is the Post-It Note, which was created by American Arthur Fry. Since their invention, Post-It Notes have been sold in over 100 countries across the world and are still used over 40 years later. Other discoveries and advanceme...
Exercises do little good if they don’t have time to sink in.Finally,find the best time of day to do your studying.Don’t do it when you have many other things on your mind or when you are exhausted. Your mind has to be receptive for learning to take place....
Many things were invented during the Bronze Age. Probably one of the most important inventions of this age was the wheel. Other Bronze Age inventions...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
A. It was invented in 1994. B. It was named after its inventor. C. It helps people eat more healthily. D. It reduces the cases of cooking accidents. 相关知识点: 试题来源: 解析 根据第二段第一句Had I known earlier, though, that there was a reason beyond my control to explain ...
1.Ar When was,the telephone invented?—It was invented in1876.2.What are they used_1for ?They are used for seeing in the dark.3.Who wast the zipper invented by?—It gwas invented by Whitcomb Judson.4.When did it become popular?Around 1917. 相关知识点: 试题来源: 解析 答案见上 ...
--___ was zipper invented? --It was invented in 1893. A. How B. Who C. What D. When 试题答案 在线课程 练习册系列答案 百年学典中考风向标系列答案 百校联盟中考冲刺名校模拟卷系列答案 夺A闯关一路领先中考模拟密卷系列答案 中考先锋滚动迁移复习法系列答案 琢玉计划...
【题目】--___was the Zipper invented? --It was invented in 1893. A. What B. When C. How D. Who试题答案 在线课程 【答案】B 【解析】 试题分析:句意:拉链是什么时候被发明的?是在1893年被发明的。A. What什么;B. When何时;C. How怎样;D. Who谁。结合句意,故选B练习...