进行证券投资，应考虑的风险有（）
A、违约风险
B、利息率风险
C、购买力风险
D、流动性风险
参考答案：A, B, C, D
_____ can I get to the hospital? [ ]
A. What
B. Where
C. Who
D. How
—Bob, is there _______? —No, everything goes on well. [ ]
A. wrong anything
B. nothing wrong
C. anything wrong
D. wrong things
