按照交易方式，金融衍生工具可以分为（）。
A.远期
B.期货
C.期权
D.信托
E.互换
参考答案：A, B, C, E
— __________________
— There is a bed and a closet.[ ]
A. What's it?
B. Where's it?
C. What's in the bedroom?
What information will a distress alert contain?（）
A.nature of distress
B.type of assistance required
C.course and speed and time at which the information was recorded
D.A, B, C are all right
