如果房地产价格时间序列的逐期发展速度( )，就可以计算其平均发展速度。
A．较大B．较小C．差距较大D．大致接近
参考答案：D
________,I have never seen anyone who is as capable as David.[ ]
A．As I have traveled so much
B．As long as I have traveled much
C．Now that I have traveled much
D．Much as I have traveled
下列不属于冲击地压的预测方法是（）。
A.钻屑法
B.测温法
C.声发射监测法
D.综合指标法.
