6.《跟单信用证统一惯例》规定“约数”条款允许数量波动的幅度是

A.5%                                                  ;              B.10%

C.20%                                                             D.50%

7.舱面提单又称为

A.舱外提单                                                      B.水面提单

C.甲板提单                                                      D.备运提单

8.在海上风险中，“雷电”属于

A.外来风险                                                      B.意外事故

C.自然灾害                                                      D.特殊风险

9.《协会货物条款》的英文缩写是

A.ICC                                                              B.CIC

C.CCI                                                              D.CII

10.某商品出口净收入一个单位外汇所需要的人民币数额称为

A.出口盈亏额                                                  B.出口盈亏率

C.出口换汇成本                                               D.出口交易成本