题目内容

What can we infer from the passage?

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浅基坑土方开挖中,基坑边缘堆置土方和建筑材料,最大堆置高度不应超过()m。

What will Roy do next year?

根据下列文章,回答 51~55 题。
第 51 题 The main idea of this passage is to

What is the main topic of the passage?

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