问题
选择题
下列纬线中,由长到短排列的是 [ ]
A、90°S,60°S,30°N,60°N
B、90°N,60°S,30°N,60°N
C、90°N,30°S,60°S ,90°S
D、30°S,60°S,80°N,90°S
答案
答案:D
下列纬线中,由长到短排列的是 [ ]
A、90°S,60°S,30°N,60°N
B、90°N,60°S,30°N,60°N
C、90°N,30°S,60°S ,90°S
D、30°S,60°S,80°N,90°S
答案:D