99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

If you make different trade in different countries, you must take different transport modes? （）

A.Yes
B.Not
C.It must be based on cost
D.Not mention in the paragraph

你可能感興趣的試題

單項選擇題

Pipeline is low cost and reliable. Is it true? （）

A.Dependable
B.Not
C.Yes
D.Not mention here

單項選擇題

Cost of pipeline is very different of underground conditions. Is it right? （）

A.Not
B.Yes
C.They can’t compare
D.Not discussion in the paragraph