____ he was not rich enough to buy whatever he wanted, Edison decided to make hi
题型：不详难度：来源：
____ he was not rich enough to buy whatever he wanted, Edison decided to make his new laboratory the best.| A．Although | B．Since | C．When | D．As |
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答案
| A |
解析
连词辨析。Although虽然，尽管；Since 因为，由于；When当……时候；As
虽然，尽管。句子前后表让步关系，排除B,C；as引导让步状语从句，句子需要倒装，而原句的正常语序，所以排除D；选A。 |
举一反三
As the visiting prime minister puts, China’s influence in the world will continue to strengthen ______ its economy grows. | A．although | B．until | C．as | D．before |
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______ has recently been done to improve the conditions of elementary schools, a great number of children are unable to go to school.| A．That | B．What | C．In spite of what | D．Though what |
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| ____ red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened. |
The course normally attracts 20 students per year, ________up to half will be from overseas.| A．in which | B．for whom | C．with which | D．of whom |
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