硫喷妥钠静脉麻醉时较常见的并发症是（）
A.低血压
B.心律失常
C.喉痉挛
D.尿潴留
E.惊厥
参考答案：C
The growing speed of a plant is influenced by a number of factors, ____ beyond our control.[ ]
A. most of them
B. most of which
C. most of that
D. most of what
应用较广泛的栓剂制备方法是
A．冷压法
B．滴制法
C．溶解法
D．热熔法
E．混合法
