题目内容

机体氟过量可能引起下列哪些症状

A. 氟斑牙
B. 大骨节病
C. 智力发育障碍
D. 氟骨症
E. 骨质疏松

查看答案
更多问题

It is improper to ____ (different) between pupils according to their family background.

He had been a strict father but was ____ (indulge) to his grandchildren.

We anticipate that we will meet a certain amount of ___ (resist) to our plan.

Established musicians have a ___ (responsible) to guide and assist young musicians.

答案查题题库