目前，我行循环消费信贷业务包括（）
A.购车分期
B.安居分期
C.现金分期
D.商户分期
E.账单分期
参考答案：C, D, E
方程x（2x+1）=4（2x+1）的根是______．
The last few years ________ many natural disasters around the world, from drought to earthquake.
A．see
B．are seeing
C．have seen
D．saw
