对轻、中、重度心力衰竭均有效,可作为治疗慢性心力衰竭第一线药物的血管扩张剂是()。
A.硝普钠
B.血管紧张素转换酶抑制剂
C.钙拮抗剂
D.硝酸甘油
E.多巴胺
参考答案:B
What _____ good time we had playing _____ football with the team. [ ]
A. a, the
B. /, /
C. a, /
D. /, the
It is strange that the small boy _________ work out such a difficult exercise, which is even hard to settle for adults.
A.should
B.might
C.could
D.would