下列哪些是国内电子商务物流的主要方式？（）
A.邮寄
B.宅配
C.货运
D.专人送达
参考答案：A, B, C, D
The U.S.A. made a lot of excuses in an attempt to make war on Iran. However, its ____ purpose lay in the plentiful oil there.
A. incredible B. fundamental C. flexible D. identical
调查队节假日慰问调查户的食用油应该编什么码？
