"Currently the criteria for new dangers of wreck mean that the depth of water over it is ____.
A.less than 28m
B.more than 28m
C.less than 31m
D.less than 20m"
正确答案是A
"Currently the criteria for new dangers of wreck mean that the depth of water over it is ____.
A.less than 28m
B.more than 28m
C.less than 31m
D.less than 20m"
正确答案是A