我军政治合格的根本原则是（）。
A.全心全意为人民服务
B.坚持党对军队的绝对领导
C.枪杆子里面出 * *
参考答案：B
This is his only request that the room_______ after being used.
A．be cleaned
B．would be cleaned
C．is cleaned
D．will be cleaned
拔除颈部术后负压引流管的指征是：（）
A.负压引流液少于30ml
B.负压引流液少于40ml
C.负压引流液少于35ml
D.负压引流液少于10ml
E.负压引流液少于45ml
