支气管哮喘急性发作期禁用（）
A.地塞米松
B.氨茶碱
C.沙丁胺醇
D.肾上腺素
E.吗啡
参考答案：E
0.24×0.48的积与2.4×0.048的积相等。[ ]
―I think it’s too late to apologize to Kate.
―Never mind. _______.
A．Good medicine tastes bitter
B．Better late than never
C．All good things come to an end
D．A man becomes learned by asking questions
