Where did the man go just now?
A:To the office.
B:To the museum.
C:To the post office.
下图中在北京交汇的铁路①、②、③分别是( )
下列句子中有语病的一项是( )
- You aren't supposed to smoke in public. It's bad for our health.
- Sorry, I will ______ my cigarette right now.
下列关于肺泡的表述中,不正确的是( )