【题目】Thomas Edison's Inventions The light bulb(电灯泡) is something that few people initially think of as being an important invention. However, it has allowed us to do things at night that we would otherwise not be able to do. Can you imagine lighting up a highway with candles or ...
根据“Thomas Edison developed the first practical light bulb in 1879. Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night."可知, 托马斯·爱迪生于1879年发明了第一款实用的电灯泡。在电灯泡发明之前,人们晚上只能用 油灯、 煤气灯或蜡烛照明,...
解答 答案:D 根据Light bulbs ___ by Thomas Edison 可知:Light bulbs和invent构成被动关系,应用被动语态.又根据more than one hundred years ago.可知用一般过去时,所以用一般过去时的被动语态,被动语态的构成:助动词be+及物动词的过去分词,故选:D. 点评 主要考查被动语态,当句子的主语是动作的承受者,应该用被...
答案(1)who.考查定语从句.代指先行词Thomas Edison,做非限制性定语从句 invented the light bulb的主语,用关系词who,故填who.(2)Both.考查代词.代指Benjamin Franklin和Thomas Edison两个人,表示两者都,用Both.故填Both.(3)a.考查冠词.修饰名词 surprising number,表示"一个令人吃惊的数字...
About 130 years ago,Thomas Edison invented thelight bulb. His bulb turned night into day,but today manypeople want to turn off the light. The European Union( 欧盟) has decided that peo-ple should stop using the Edison-style light bulb.Instead, they should use compact fluorescent lamps(CFLs...
根据空前的 "The real" 和空后的 "of the light bulb was Joseph Swan" 并结合首字母可知,应该是灯泡的真正发明者是Joseph Swan,inventor意为 "发明者" ,故填inventor。句意:但Swan的灯泡不能亮足够长的时间来供使用。根据后文的 "Ten years later, Thomas Edison decided to improve on Swan's light ...
The best way to learn something is to make mistakes first. Thomas Edison, invented the light bulb, told his colleagues, " Of the 200 light bulbs that didn't work, every failure told me something I was able to incorporate(融入)into the next attempt." Benjamin Franklin, the US statesman ...
However, many Americans’ first exposure to electric lighting was with Edison DC systems (powering his patented light bulbs). His involvement was instrumental in the public’s acceptance of the new technology. “Thomas Edison was already the most famous inventor in the world when he added to his...
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On the other hand, light bulbs existing prior to Edison’s efforts burned for a short time – the best achievement was Swan’s, 13.5 hours, though a great breakthrough, not commercially yet. Thomas Alva Edison, a prolific inventor, and his team (yes, he did not work alone!) experiment...