单项选择题

Mr．Brown’s own career has been a perfect example of personal interest and professional development．

A) 布朗先生的事业已经是一个完美的例子，包括了个人兴趣与职业奉献。
B) 布朗先生的事业就是个人兴趣与职业奉献的完美结合。
C) 布朗先生将自己的个人兴趣与职业奉献结合，其事业已成为完美的范例。
D) 布朗先生有自己的事业，而且达到完美，个人兴趣和职业同时发展。
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单项选择题
The mistake on the stamps was made ______.
A．in Mauritius
B．at Mauritius Government House
C．in a post office
D．in London
填空题
The word horsepower was first used two hundred years ago. James Watt had made the world’ s first (11) used steam engine. He had no way of telling people (12) how powerful it was, for at that time there were no units for measuring power. Watt decided to (13) how much work one (14) 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 (15) that a horse could lift a 3,300-pound weight 10 feet into the air in one minute. His engine could lift a 3, 300-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.
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