根据表信息，判断以下叙述正确的是（ ） 部分短周期元素的原子半径及主要化合价

预制构件检查的主要内容有（）。

A.构件的型号与数量是否与设计相等

B.构件的混凝土强度是否满足安装要求

C.构件的外形尺寸是否符合设计要求

D.构件是否弹线与编号

拼写单词，根据句子意思，在空格中填写适当的单词，使句子完整、正确。

1. Do you mind if I open the window? Not in the _______. Please do.

2. There are five _______ on each hand.

3. I won't read that kind of books. It's a _______ of time.

4. How do you get along _______ the new students?

5. You should think it over before you make the _______.

6. I've written several letters to him, but he _______ to none of them.

7. Don't _______ about him. He is already fifteen years old.

8. The homework isn't difficult at all. You can _______ finish it before 5:00 pm.

简述教师职业专业化的条件。

请简述社会保障的特征。

以突出成绩为主的简历，属于（）简历。