According to the passage we know that . The reason why the rock was hard to get down was that .

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问题 According to the passage we know that ______.
The reason why the rock was hard to get down was that ______.

选项 A、it had been worn smooth
B、there was no grass on it
C、it, was wet and slippery
D、it was soft and sandy

答案A

解析从文章第三段第三句“The water that rushed down all these small valleys in the rainy season had made the rock as glasss”得知本题答案为A。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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According to the passage we know that ______. The reason why the rock was hard to get down was that ______.

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