硝普钠是（）
A.收缩外周血管
B.动、静脉血管均扩张
C.只扩张冠脉
D.扩张小静脉
E.扩张小动脉
参考答案：B
Tiangong Ⅱ, ________ up into space in 2011, greatly inspired the whole nation once again.[ ]
A. sent
B. to be sent
C. being sent
D. sending
磁强计
