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英语回答7The word horsepower was first used two hundred years ag

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英语回答7
The word horsepower was first used two hundred years ago.James Watt had made the world's first widely used steam engine.He had no way of telling people exactly how powerful it was,for at that time there were no units for measuring power.
Watt decided to find out how much work one strong horse could do in one minute.He called that unit one horsepower.With this unit he could measure the work his steam engine could do.
He discovered that a horse could lift a 3300-pound weight 10 feet into the air in one minute.His engine could lift a 3300-pound weight 100 feet in one minute.
Because his engine did ten times as much work as the horse,Watt called it a ten horsepower engine.
61.The selection says that Watt made the first .
A.engine
B.steam engine
C.widely used steam engine
D.useful engine
62.Watt wanted to find a way to .
A.measure the work his engine could do
B.tell people how powerful his engine was
C.lift a 3300-pound weight
D.Both A and B
63.He made up a unit of measurement based on the strength of .
A.a man
B.ten horses
C.his engine
D.a horse
64.One horsepower would equal the .
A.work a horse could do in a minute
B.weight a horse could lift
C.work a horse could do in ten minutes
D.weight of one horse
65.The best title for this selection is .
A.Watt's Engine
B.The Origin of the Term Horsepower
C.Units of Measurement
D.It Happened 200 Years Ago
翻译了过去就等于
词马力第一次被使用了二百年前.詹姆斯瓦特首先做了world's 广泛被应用的蒸汽引擎.他没有吃告诉人方式多么强有力它是, 那时那里确切地是没有单位为测量的力量.
瓦特决定发现多少工作一个强的马能完成在一分钟之内.他称那个单位一马力.以这个单位他能测量他的蒸汽引擎能完成的工作.
他发现, 马能练习3300 磅举重10 英尺入空气在一分钟之内.他的引擎能练习3300 磅举重100 英尺在一分钟之内.
由于他的引擎象马做了十次同样多工作, 瓦特称它十马力引擎.
61. 选择认为, 瓦特做了一.
A. 引擎
B. 蒸汽引擎
C. 广泛被应用的蒸汽引擎
D. 有用的引擎
62. 瓦特想发现方式.
A. 措施他的引擎能完成的工作
B. 告诉人们多么强有力他的引擎是
C. 推力每3300 磅重量
D .A 和B
63. 他弥补了测量单位根据力量.
A. 一个人
B. 十马
C. 他的引擎
D. 马
64. 一马力会合计.
马能完成在一分钟内的A. 工作
马能练习的B. 举重
马能完成在十分钟之内的C. 工作
D. 重量一匹马
65. 最佳的标题为这种选择是.
A. Watt's 引擎
B .期限马力的起源
C. 测量单位
D .它发生了200 年前