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单选题公共英语一级

2013-08-06

When did scientists fly there to watch?

A．Before the volcano broke out．

B．As soon as the volcano broke out．

C．About four days after the volcano broke out．

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参考答案

C

答案解析

细节题。小岛开始喷发是14号，l8号长到一定高度后，科学家们才赶过去。

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