矿石类安神药不宜久服，或配伍哪类药同用
A．清热利湿药B．健脾养胃药C．清热化痰药D．活血化瘀药E．以上均不是
参考答案：B
可能发展为慢性支气管炎急性发作的局部主要致病菌的是（）。
A.奈瑟球菌
B.甲型链球菌
C.流感嗜血杆菌
D.草绿色链球菌
E.金黄色葡萄球菌
Mr. Smith, I often hear people say DVD, but I never know what they really mean. Would you tell me what DVD ____?
A．acts as
B．prefers to
C．stands for
D．point to
