对变异性心绞痛疗效最好的药物是
A．硝酸甘油
B．维拉帕米
C．硝苯地平
D．硫氮卓酮
E．苯巴比妥
参考答案：C
函数Str$(256.36)的值是 【7】 。
Anyone ________ bags, boxes, or whatever, was stopped by the police in Egypt.
A．seen carry
B．saw to carry
C．seen carrying
D．saw carrying
