教学过程具有（）、（）、（）和（）。
参考答案：双边性；认识性；发展性；专业性
Busy workers like to eat in fast food restaurants, _____ as the name suggests, eating doesn't take much time. [ ]
A. which
B. where
C. who
D. what
苏子的功效是( )
A．润肠通便，利水消肿B．润肠通便，养心安神C．润肠通便，养血活血D．润肠通便，滋阴补血E．润肠通便，降气化痰
