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 OBD I was initially externally connected to the console of a car, while the OBDII is now integrated within the vehicle itself. The original OBD was used until OBDII was invented in the early 1990s. History of OBDII The history of on-board diagnostics goes back to the 1960s. Several ...
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,...
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...
In 1814, the steam locomotive (蒸汽机车) was invented. The first railway was completed in 1825. By 1870, Britain had about 21,700 kilometers of railroad. Meanwhile, it had also built a large merchant fleet, which carried British manufactured goods to all parts of the world. 随着这些发展,...
2. What did Alexander Graham Bell do in 1872? A He invented a machine for cleaning wheat. B He started a school for deaf people. C He invented the telephone. D He studied at the University of London. 相关知识点: 试题来源: 解析 C【核心短语/词汇】invent发明 【翻译】 Alexander Graham ...
The first hybrid car wasn't the Toyota Prius nor was it invented in the 1990s or 2000s. In fact, it dates back to the early 20th century. Still, the first hybrid car was brought into existence for reasons that will be familiar to those living in the 21st century: Internal combustion ...
百度试题 结果1 题目What was invented in 1879? A: ① B: ②③④ C: ∴ 相关知识点: 试题来源: 解析 C略 反馈 收藏
Guns in eighteenth-century Britain The Glorious Revolution of 1689 established a constitutional monarchy in Britain under William and Mary. Not everyone was happy; Jacobites sought the return of the ousted Catholic Stuart king and were recognized as an existential threat to the new regime. Guns’ ...