化学名为（IR，2S）一2一甲氨基-苯丙烷-l-醇盐酸盐的药物是（）A_爱下问搜题

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问题单项选择题 B型题

化学名为（IR，2S）一2一甲氨基-苯丙烷-l-醇盐酸盐的药物是（）

A、盐酸伪麻黄碱

B、盐酸多巴酚丁胺

C、盐酸异丙肾上腺素

D、盐酸麻黄碱

E、盐酸多巴胺

答案

参考答案：D

选择题

When you decide to start a family, you make a/an ______ to them. You shouldn't turn your back

on the people who love you.[ ]

A. contribution

B. commitment

C. devotion

D. effort

选择题

We're ______ next Sunday. [ ]

A. going camp

B. go camping

C. go to camp

D. going camping