单项选择题

包胶固化是采用某种固化基材对于废物块或废物堆进行包覆处理。

A．对
B．错

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汉文帝是中国历史上第一个废除（）的皇帝。

答案：肉刑

单项选择题

If swimming makes you nervous, what should you do usually?
A、Go swimming often to get used to it.
B、Avoid going to the swimming pool.
C、Find a swimming teacher.
D、Imagine watching others swim.