主要用于控制复发和传播的抗疟药是()
A.奎宁
B.青蒿素
C.乙胺嘧啶
D.伯氨喹
E.周效磺胺
参考答案:D
_____ does he do sports every day? He does sports for two hours every day. [ ]
A. How many
B. How often
C. How long
D. When
按照借贷关系持续期内利率水平是否变动,贷款利率可分为( )。
A.固定利率和浮动利率B.法定利率和公定利率C.基准利率和市场利率D.法定利率和市场利率