吲哚美辛的化学结构为()
A.
B.
C.
D.
E.
参考答案:D
解析:
考查吲哚美辛的化学结构。A为吡罗昔康;B为萘普生;C为布洛芬;E为双氯芬酸。故本题答案应选D。
More often than not, young readers find the novels of Dickens far more exciting than _______ of Thackeray.
A.ones
B.them
C.these
D.those
导游可讲讲笑话及健康的段子,做做小游戏,组织娱乐节目,搞专题讨论(必须是客人感兴趣的话题)