2010 Beijing Question 3 Free-response Differentiating 2010_北京 Paper 3.(3分)经纬网的纬线间距为( )A $3 ^ { \circ }$ B $5 ^ { \circ }$ C $8 ^ { \circ }$ D $1 0 ^ { \circ }$ Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →