“颅缝闭合延迟”见于下述哪种病变（）
A.甲状腺功能减退
B.佝偻病
C.低磷酸盐血症
D.眼-颌-面综合征
E.磷酸酯酶过少
参考答案：A
—Maths isn't as as Chinese.
—I agree with you. I think Chinese is than any other subject. [ ]
A. easy, easier
B. easier, easier
C. easy, easiest
D. hard, the most difficult
个完整的应急预案文件包括四级文件体系，其中三级文件是指（）。
A.预案
B.说明书
C.程序
D.录
