单项选择题

具有强心、利尿、平喘作用的药物是：（）

A、氨茶碱
B、沙丁胺醇
C、特布他林
D、泼尼松龙

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德国的白啤酒是以（）为主要原料生产的。

答案：小麦芽

单项选择题

In which situation would a speaker be most likely to read from a manuscript?
A、A speech accepting an award at a company banquet.
B、A speech in honor of a retiring employee.
C、A speech on international policy at the United Nations.
D、A speech on the activities of a church social committee.