高中英語閱讀理解訓(xùn)練及答案：Travel

　　Most people usually traveled by ship and train which are driven by steam engine. It played an important part in many kinds of vehicles several scores of years ago. Who invented steam engine and what units could be used to measure the power of engine?

　　The word “horse-power” was first used two hundred years ago. James Watt from a workers family made the world first widely used steam engine. At first, he couldnt tell people how powerful it was, because there were no units at that time. Watt decided to find out how much work one strong horse could do in one minute. He named that unit one horse-power. In this way he could measure the work of his steam engine.

　　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 horse-power engine.

　　31. The main idea of the passage is __B_.

　　A. James Watt invented the steam engine

　　B. James Watt first used horse-power as a unit of measure

　　C. how much power does a horse have

　　D. why Watts engine is called a ten horse-power engine

　　32. The story says that Watt made the first __D__.

　　A. engine B. horse-power engine C. useful engine D. widely used steam engine

　　33. James Watt was born in _A___.

　　A. a workers family B. a farmers family C. a teachers family D. a doctors

　　steam engine

　　34. Watt wanted to find a way to _D___.

　　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

　　35. One horse-power means the __A__.

　　A. work a horse could do in a minute B. weight a horse could do in ten minutes C. work a horse could do in ten minutes D. weight of one horse

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