智齿冠周炎龈袋内冲洗后，局部应涂哪种药物以促进炎症消退（）
A.高锰酸钾
B.龙胆紫
C.樟脑酚
D.甲醛甲酚
E.碘酒
参考答案：E
法律责任
If they spend some time on Chinese history, they will be more able to predict China''s future.
A．more
B．able
C．better
D．better able
