痰少而粘，难于咯出者，多属（）
A．寒痰
B．热痰
C．燥痰
D．湿痰
参考答案：C
He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system ____.
A．broke in
B．broke up
C．broke out
D．broke down
既能活血散瘀，又能镇惊安神的药物是（）
A.合欢皮
B.酸枣仁
C.远志
D.琥珀
E.磁石
