题目内容

石灰硬化会产生大量的热量。( )

A. 对
B. 错

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石灰中有效成分越多,活性越好,质量也越好。( )

A. 对
B. 错

简要回答学前儿童语言教育的研究任务。

A: Which do you prefer, tea or coffee?B: ________________.

A. Yes, I do
B. I prefer both
C. I prefer coffee to tea
D. No, I don't

What does a waiter/ waitress say to the guest when the restaurant is fully occupied?

A:If you wait in the lounge now, I’ll inform you when there’s a table for you.;
B:Sorry. But you arrive too late. The restaurant next to us is very good, too.;
C:I’m awfully sorry. There are no vacancies left now.;
D:Would you like to wait for a moment?;

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