MARPOL公约适用于()。
A.游船
B.军用船
C.渔船
D.民用船
参考答案:D
— What do you think of these two books?
— _____ of them are interesting. And I've read them several times. [ ]
A. Both
B. Neither
C. None
D. Either
地形测绘的()控制点,是为地形细部测量而布设的。
A.坐标
B.图标
C.数据根
D.图根