[单选题]How many product-related factors are there to influence the transport cost? （）

正确答案 ：A

Four

[单选题]What is the meaning of integration?（）

正确答案 ：A

To link some separate factors as a whole chain

[单选题]门到场的英文缩写是（）。

正确答案 ：B

Door to CY

查看原题 查看所有试题