题目内容

餐饮成本核算没有意义,我们可以不顾及成本的消耗。

A. 对
B. 错

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He wanted to sleep.() His roommate had the radio on.

A. but
B. and

I have problems. ()I cannot fall into sleep.

A. or
B. and

He was ill. ( )He went to work.

A. and
B. but

Get up soon. ( )You will be late.

A. or
B. and
C. but
D. however

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