1 In 1879 Thomas Edison made the first light bulb the bulb ___ be used in people's homes. [ ] A. could B. should C. may D. must 2In 1879,Thomas Edison made the first light bulb,the bulb be used in people’s homes.( )A. couldB. shouldC. mayD. must 3In 1879,Thomas E...
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,...
was invented by Tom appeared in 1879The first practical light bulb was invented by …翻译为：汤姆发明的第一个实用灯泡出现在 第一个实用灯泡是汤姆发明的，出现在1879年 是一般过去时的被动语态，“电灯泡”与 “ 发明 ” 之间是被动关系，因此用一般过去时的被动语态 您看看哈 不需要啊 b...
The Future of the “First” Light Bulb? Modern incandescent bulbs are not energy efficient – less than 10% of electrical power supplied to the bulb is converted into visible light. The remaining energy is lost as heat. However these inefficient light bulbs are still widely used today due to...
Who invented the first light bulb?Thomas Edison:During the last decades of the nineteenth century, one of the most competitive fields in business was to create and market an electric light bulb. Several men competed for the honor of perfecting the technology first....
百度试题 结果1 题目( A ) 6. Edison was famous ___ the first light bulb(电灯). A. for B. as C. because 相关知识点: 试题来源: 解析 答案见上爱迪生因发明第一个电灯而著名. 反馈 收藏
百度试题 结果1 题目In 1879, Thomas Edison made the first light bulb, the bulb ___ be used in people's homes. [ ]A. could B. should C. may D. must 相关知识点: 试题来源: 解析 答案:A 反馈 收藏
【题目】— Who the first practical light bulb?— Thomas Edison.A.developedB.discoveredC.carried 试题答案 在线课程 【答案】A【解析】句意:——谁……第一个实用的电灯泡?——汤姆斯.爱迪生。A.发展,研发;B发现; C. 搬动。develop是指没有存在过的,被创造出来的东西,而discover是这个东西本身存在,只是...
The Improvement of the Light BulbHands On Activity: Make Your Own Light BulbHome Projects Experiments Warning!The Perfection of the Light BulbU.S. Patent 0,223,898 by Thomas Edison for an improved electric lamp, 27 January 1880.The first electric light was made in 1809 by Humphry Davy, an...
1875- Henry Woodward and Matthew Evans patented a light bulb. 1878- Sir Joseph Wilson Swan (1828-1914), an English physicist, was the first person to invent a practical and longer-lasting electric lightbulb (13.5 hours). Swan used a carbon fiber filament derived from cotton. ...