饮酒过多或过食辛辣厚味，以致滋生湿热或损伤脾胃，常导致的血证有（）
A.咳血
B.衄血
C.吐血
D.便血
E.尿血
参考答案：B, C, D
—Does your uncle have a volleyball?
—No, ____.[ ]
A. he does
B. she isn't
C. he doesn't
D. he don't
目前将人感染H5N1高致病性禽流感列为哪类传染病（）
A、甲类
B、乙类
C、丙类
D、丁类
