— That's why he is so popular among his students.
A:lively
B:happily
C:freely
D:friendly
化简分式xy2-x2yx-y的结果是( )
对“焚书坑儒”、“罢黜百家,独尊儒术”、“八股取士”、“大兴文字狱”概括准确的是( )
读出下面各数。