合作学习理论认为，在班级教学中，学生群体的组织形式有三种，即( )。

多项选择题中小学教师职业道德规范的基本内容包括( )。

多项选择题教师的职业权利有( )。

单项选择题We arrived at work in the morning and found that somebody ______ into the office during the night.

单项选择题The citizens didn't feel safe at all after several families had their house ______ sat night and a lot of things stolen.

单项选择题She has been in______doctors describe as a vegetative state for six years.