本票关系最显著的特点是本票是一种______证券、______与付款人为同一人。
参考答案：自付、出票人
— Why does the lake smell terrible?
— Because large quantities of water ____.
[ ]
A. have polluted
B. are being polluted
C. has been polluted
D. have been polluted
年龄相关性白内障
