单项选择题

用状态方程(EOS) 法计算多元系统相平衡的通式，（）。

A．

B．

C．

D．

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多项选择题

To reduce wordiness in our writing, we may ( ). A. eliminate filler words B. remove redundancies C. use the it+be-verb or there+be-verb constructions at the beginning of the sentences D. work hard to break through the restrictions of the Chinese way of thinking and try to avoid Chinglish

单项选择题

工作面初次来压和周期来压步距越大越好

A．对
B．错