关于：The word horsepower was first used two hundred years ago.James watthad made the　world's f...关于：The word horsepower was first used two hundred years ago.James watthad made the　world's first widely used steam engine…开头的英语

关于：The word horsepower was first used two hundred years ago.James watthad made the　world's f...关于：The word horsepower was first used two hundred years ago.James watthad made the　world's first widely used steam engine…开头的英语
关于：The word horsepower was first used two hundred years ago.James watthad made the　world's f...
关于：The word horsepower was first used two hundred years ago.James watthad made the　world's first widely used steam engine…开头的英语阅读理解题

关于：The word horsepower was first used two hundred years ago.James watthad made the　world's f...关于：The word horsepower was first used two hundred years ago.James watthad made the　world's first widely used steam engine…开头的英语
The word horsepower (马力) was first used two hundred years ago .James Watt had made the world’s first widely used steam engine (蒸气机) .He had no way of telling people exactly how powerful it was ,for at that time there were no units for measuring (测量)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 .
1．The selection says that Watt made the first .
A．engine B．steam engine
C．widely used steam engine D．useful engine
2．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
3．He made up a unit of measurement based on the strength of .
A．a man B．ten horses C．his engine D．a horse
4．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
5．The best title for this selection is .
A．Watt’s Engine B．The Origin (起因)of the Term (术语)Horsepower
C．Units of Measurement D．It Happened 200 Years Ago
答案1—5BABAC