The invention of steam engine greatly sped up the industrial revolution, which _____ a lot to the ta...
2022-12-26 01:21:32 159次 2012-2013学年河北省高二上学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The invention of steam engine greatly sped
up the industrial revolution, which _____ a lot to the take-off of the world.
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A．led
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B．contributed
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C．constructed
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D．exposed
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