在夏季供冷时为了节能新风的供应量应维持在()的最小值。
A、满足正压要求
B、满足卫生要求
C、满足负压要求
D、满足节能要求
参考答案:B
在"言而微,终日乃复言者"中,"终日"的意义是()
A.一会儿
B.很长时间
C.一整天
D.五整天
— What's wrong with you?
— I can't decide ______ next. [ ]
A. how to do
B. what to do
C. what to do it
D. how can I do