为了解决班级上课不易照顾学生个别差异的弊病，19世纪末20世纪初，分组教学在一些国家开始出现。
参考答案：对
既能润肠通便，又能利水消肿的药物是（）
A.郁李仁
B.火麻仁
C.松子仁
D.杏仁
E.桃仁
--- What do you think about the new teacher?
--- _________ the new teacher is an elegant lady, she can be extremely difficult to work with.
A．As if
B．As long as
C．Because
D．While
