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问题 单项选择题

某男，68岁，咳喘病史多年，呼吸浅促难续，声低气怯，咳嗽，痰白如沫，胸闷，心慌，舌淡暗，脉沉细。治疗方剂宜首选（）

A.真武汤

B.五苓散

C.平喘固本汤

D.苏子降气汤

E.三子养亲汤

答案

参考答案：C

选择题

下图中两地景观差异的主要成因是：

[ ]

A、离海远近不同

B、地形差异大

C、经度差别大

D、纬度差别大

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单项选择题

Although the end of the term was close ______, Jim had not completed all of the projects he had hoped to finish.
A. on hand B. by hand C. at hand D. in hand
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