在水平路面上由南向北行驶的坦克,某时刻欲射击位于其正西方向的固定目标.若要击中目标,射击方向应该是
A.正西偏南方向
B.正西偏北方向
C.正西方向
D.必须停下来射击
答案:A
肉苁蓉、锁阳的共同功效是()。
A.补肾阳
B.益精血
C.养肝明目
D.润肠通便
E.固精缩尿
The audience, ________ , enjoyed the performance.
A.most of them were students
B.most of whom were students
C.whom they were students
D.they were mostly students