房地产经纪相关专业基础知识不包括( )。
A．文学知识
B．经济学知识
C．法律知识
D．心理学知识
参考答案：A
—Tell Jack I will wait for him at the school gate.
— he doesn't come?[ ]
A. How about
B. What if
C. If only
D. Whatever
1，-4，9，-16，( )
A．20
B．25
C．-20
D．18
