都江堰是闻名世界的防洪灌溉工程，负责这一工程的是( )。
A．李冰
B．郑国
C．禹
D．范蠡
参考答案：A
— Could you tell me something about the boy who helped you just now?
— Sorry, I know nothing about him. We are _____. [ ]
A. friends
B. neighbors
C. classmates
D. strangers
入口收费员是否能借出口车道的卡发行？
