Franklin had a(n) 【C1】______mind. When he saw a problem, he tried to do something about it. The houses of Philadelphia were buil

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问题     Franklin had a(n) 【C1】______mind. When he saw a problem, he tried to do something about it. The houses of Philadelphia were built【C2】______wood and easily caught fire. Neighbors tried to help each other, but they could do【C3】______to save a burning house. So Franklin organized a fire-fighting company. Philadelphia’s fire【C4】______became so low that the first fire-insurance company in the United Sates was soon【C5】______there. Franklin was one of its directors. He also persuaded the city to pave and【C6】______its streets. Again, the fact that people had trouble keeping their houses warm in winter set Franklin’s active mind【C7】______. He decided that the big. fireplaces were to blame. Because they were set deep into the wall, they did not let enough heat reach the middle of the room. So he【C8】______some plans and hired an ironworker to make the potbellied Franklin stove. It stood in the middle of a room and threw off heat【C9】______every direction.
    He did not patent the invention. He was【C10】______busy with his discoveries to bother with making money. What he really cared for most of all was science.  
【C5】

选项 A、built
B、found
C、set up
D、constructed

答案C

解析 本题考查近义词辨析。AD虽然也是“建设,建立”义,但往往是有形的东西;B选项应该用过去分词。
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