If I had more money, I()travel around the world.
A.will
B.want
C.would
D.like
参考答案:C
下列属于生态系统中生产者的生物是( )
A.野菜
B.蘑菇
C.细菌
D.奶牛
属于洋地黄的绝对禁忌证的是()
A.右心衰竭
B.心力衰竭伴房颤
C.充血性心力衰竭
D.单纯二尖瓣狭窄伴窦性心律
E.β受体阻滞药治疗效果差