苯环上有乙酰氨基取代的药物为()。
A.特布地林
B.阿替洛尔
C.美托洛尔
D.哌唑嗪
E.特拉唑啉
参考答案:B
解析:
[知识点] 肾上腺素受体阻滞药
— Have you finished your report yet?
— We'll finish it in ______ twenty minutes. [ ]
A. other
B. another
C. more
D. less
收入型基金比较适合于风险承受能力强、追求高投资回报的投资者。()