CRH1A型动车组每个客室空调有（）台压缩机。
A.1
B.2
C.3
D.4
参考答案：B
—Hi, guys. Where are you heading now?
—Home. We _________all our money, so we have to walk home now.
A．spend
B．spent
C．have spent
D．are spending
在顺差的过热经济情况下，应该采取怎样的宏观经济政策？
