百度试题 结果1 题目18. When was the first robot invented? C A] In 1912. B ] In 1920. C In the 1920s. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
was, found B.was, founded C.is, found D.were, founded4.Computers were a wonderful ___(invent)in the 1920s though they were very huge at that time.5.—When was the telephone ___ (invent) —It was invented by a great ___(invent) in 1876. And I think the telephone is a helpfu...
Person A: Hey, did you know that the telephone was invented over 100 years ago? Person B: Really? I didn’t realize it was that old. Who invented it? Person A: Alexander Graham Bell invented the telephone in 1876. Person B: That’s amazing! I can’t imagine life without phones. Ho...
aThe pneumatic road tube, the first intrusive traffic detector technology, was invented in the 1920s. Due to its simplicity and low cost, the pneumatic road tube still is widely used today Pneumatic road tubes sense vehicle pressure and send a burst of air pressure along a rubber tube when ...
Films such as“Super Fly” epitomized the phenomenonblaxploitationmovies released this year.Garage bands, popular in the 1960s, were not recognized as a distinct musical genre until the release of acompilation albumin 1972. 1971: Animatronics, shield law ...
... Monocles were also accessories of German military officers from this period; especially from World War I and World War II. Are glasses a status symbol? Glasses themselves have gone under a renaissance and re-invented themselves as both a symbol of status and intellect and a fashion ...
Some careless people can't 4 their eyes off their phones. I once saw a big board fall 5 in a big wind and cut a tree in half. That was terrible," said Wu. "I'm trying to find ‘smart' ways to solve these 6 ." To stop drivers from playing with their phones, Wu created a ...
The earliest video camera systems wereinitially developed for television productionin the 1920s and 1930s. Why was CCTV invented? The first CTV system was invented in in 1942 during World War Two. Walter Bruch, aGerman engineer wanted to be able to monitor V2 rocket launchesand hence designed...
Commercially viable light bulbs were invented by Thomas Edison (1847-1931). In the first three decades after their invention, carbon filaments were used. The Centennial Light is the world’s longest-lasting light bulb—it has been burning since June $1901$ and is located in Livermore, Californi...
The original Cheetos date back to 1948, and were invented by Frito’s creator C.E. Doolin. In a famous success story, Richard Montanez, a janitor at Frito-Lay, added chili powder to a batch of Cheetos that had accidentally been made without the requisite cheese powder dusting. He pitched...