可转换证券赋予投资者将其持有的债券或优先股按规定的价格和比例，在规定的时间内转换成普通股的选择权。（）
参考答案：对
根据句意，用括号内所给词的适当形式填空。
1. On my way home I met a famous ______ (act) yesterday.
2. I must ______ (winner) a prize this term.
3. _______ (unfortunate) I don't have enough money to travel abroad.
4. I know many ______ (visit) come to China every year.
5. They always have fun ______ (talk) to each other.
将制动踏板踩到底，车辆不能立即减速、停车，此故障发生在（）。
A.制动器
B.前桥和转向系
C.离合器
D.传动系
