答案:A
相距1000km的两市在比例尺为1:30000000的地图上的距离约是( )cm (精确到0.1);某市规划筹建一个开发区,这个开发区在1:50000的地图上面积是30cm2,实际占地面积约为( )km2 。
Where goods are to be dispatched by road, rail or air instead of by sea, the documentary credit will call for a road transport document or a rail transport document or an airway bill instead of().
A.a bill of exchange
B.a certificate of origin
C.a bill of lading
D.a certificate of insurance