下面哪一个是填塞止血法的缺点？（）
A.止血彻底
B.止血不彻底
C.减少感染机会
D.操作难度大
参考答案：B
— Do you want him to lend you some money?
— I wish he _____. [ ]
A. should
B. would
C. will
D. had
急性心肌梗死时，缓解疼痛最有效的药物是( )
A．硝酸甘油
B．安痛定
C．去痛片
D．吗啡
E．硝酸异山梨酯
