申请认定教师资格，应当提交教师资格认定申请表和下列证明和材料：______和户籍所在地的街道办事处、乡人民政府或者工作单位、所毕业学校对其思想品德、有无犯罪记录 等方面情况的鉴定及材料证明。( )

多项选择题新课程提倡的学习方式是( )。

多项选择题20世纪以后教育的新特点包括( )。

单项选择题About 70 percent of the population ______ in that country in the mountains and only 30 percent of its land ______ farmland.

单项选择题—You'd better ______ work too hard like this. —I see. You mean ______ too hard makes one tired and ill.

单项选择题So far nobody has claimed the money （） in the library.

A. discovered
B. to be discovered
C. discovering
D. having discovered

单项选择题They used to quarrel a lot, but now they are completely ______ with each other.

单项选择题We （） on this project for four hours. Let's have a rest.

A. are working
B. have been working
C. worked
D. had worked

单项选择题There is a ______ of impatience in the tone of his voice.

单项选择题The air of countryside is cleaner than ______ of city, but I don't like to live ______ far.

单项选择题We（）on this project for four hours. Let's have a rest.

A. are working
B. have been working
C. worked
D. had worked