面谈调查法的缺点（）
A.真实性差
B.成本高
C.回收率低
D.调查范围受限
参考答案：B
– Jenny , how was your trip to Beijing ?
- Oh , I missed it . I wish I ________ my vacation there .
A．am spending
B．will spend
C．have spent
D．had spent
马基雅维利的《君主论》中强调君王要效仿哪两种动物？
