半夏的适应证包括:
A. 心下痞
B. 呕吐
C. 夜寐不安
D. 湿痰
E. 梅核气
关于川贝母、浙贝母的说法,正确的有:
A. 均长于治疗热痰、燥痰
B. 均能散结消肿,用于瘰疬疮痈
C. 川贝母偏于甘润,浙贝母偏于苦泄
D. 浙贝母又称象贝
E. 川贝母宜用于久咳痨嗽等内伤咳嗽
··Structure··Section A21. Each worker puts in nearly 2 200 hours a year,_____________average, and contributes about $ 30 to GDPper hour.
A)with
B) in
C)on
D) under
22. If you have difficulty_________your bills, tell your utility company as soon as possible.
A)pay
B) paid
C) to pay
D)paying
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