下列解热镇痛抗炎药中，属于选择性COX-2抑制剂的有（）
A.依托考昔
B.阿司匹林
C.塞来昔布
D.尼美舒利
E.吲哚美辛
参考答案：A, C, D
类型学
—Would you like to watch the three-D film Titanic with me ?
—Certainly . I don’t mind seeing it again although I ______________ it twice. [ ]
A. saw
B. was seen
C. have seen
D. had seen
