明代最负盛名的戏剧家汤显祖的代表作是 [ ]
A．《唐明皇游月宫》
B．《牡丹亭》
C．《西厢记》
D．《长生殿》
答案：B
4a2b+10ab2分解因式时，应提取的公因式是______．
—______.
—I have a sore throat, doctor. [ ]
A. What wrong with you
B. What's matter with you
C. What's the matter
D. What's the matter with her
