具有降压和抗心绞痛作用的药物是（）。
A.吲哒帕胺
B.洛伐他汀
C.硝苯地平
D.卡托普利
参考答案：C
—Where is Wang Fei?
—He is playing on the ground. He _______ his homework. [ ]
A. had finished
B. must have finished
C. should finish
D. must be finished
有关国际海上货物运输合同的国际公约是（）。
A、布鲁塞尔协定书
B、汉堡规则
C、华沙公约
D、海牙规则
