He is leaving ______ Beijing next month. [ ]
A. to
B. for
C. at
D. in
答案：B
Read and order. 读一读，给下面的句子排序。
( ) I can't see her, but she's quiet.
( ) What is the girl doing now?
( ) She isn't singing.
( ) Yes.
( ) I don't know.
抢救枕骨大孔疝(脑室系统扩大者)最有效的急救措施是
A．快速静滴地塞米松20mgB．气管切开保持呼吸道通畅C．20%甘露醇250ml快速静滴D．尽快行去骨瓣减压术E．快速颅钻钻孔穿刺脑室额角行脑脊液外引沉木
