21.最常见的拍卖方式是

A.减价拍卖                                                      B.密封递价拍卖

C.荷兰式拍卖                                                  D.增价拍卖

22.在期货市场上，卖方又称为

A.供货方                                                         B.多头

C.需求方                                                         D.空头

23.用进口设备生产出来的产品分期偿还设备款的做法属于

A.劳务补偿法                                                  B.间接产品补偿法

C.直接产品补偿法                                           D.反购贸易法

2 4.电子商务的市场范围是

A.国际货物贸易市场                                        B.国际服务贸易市场

C.国际技术贸易市场                                        D.全球市场