A1Ds（获得性免疫缺陷综合征）的病原体属于（）
A.衣原体
B.支原体
C.真菌
D.细菌
E.病毒
参考答案：E
滴丸基质应具备的条件不包括（）
A.不与主药起反应
B.对人无害
C.有适宜熔点
D.水溶性强
E.不破坏药物效应
Billy Crystal hosted the Academy Awards again this year, and his talks always ________
the expectation of most audience.[ ]
A. put up with
B. end up with
C. live up to
D. add up to
