"The information in Sailing Directions is intended primarily for use by mariners of ___.
A.150 GRT
B.150 NT and above
C.3000 GT and above
D.150 GT and above"
正确答案是D
"The information in Sailing Directions is intended primarily for use by mariners of ___.
A.150 GRT
B.150 NT and above
C.3000 GT and above
D.150 GT and above"
正确答案是D