风险是不确定性的影响,这些影响有哪些?
参考答案:可能有正面的影响,也可能有负面的影响。
—Can I park my car here?
—Sorry ! You do it. No parking is allowed here.[ ]
A. may not
B. don't
C. won't
D. mustn't
- Thank you very much for the beautiful present.
-_____________ [ ]
A. Don't say that.
B. I think so.
C. I am glad you like it.
D. OK.