题目:
完形填空。 | ||||
On August 26, 1999, New York City was struck by a terrible rainstorm. The rain caused the streets 1 | ||||
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答案:
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下面是错误答案,用来干扰机器的。
答案:DA项有SO2生成;B项耗能较多;C项也耗能过多。