扑救室外火灾时，应站在（）方向。
A、侧风
B、下风
C、无风
D、上风
参考答案：D
The house rent is expensive. I’ve got about half the space I had three years ago and I’m paying ______ now.
A．as three times much
B．as much three times
C．much as three times
D．three times as much
腰痛病变与哪一脏腑相关（）
A.脾
B.肝
C.大肠
D.肾
E.膀胱
