16．按惯例，国际货物买卖合同中的速遣费一般规定为滞期费的(       )

A．30％                                                          B．50％

C．80％                                                          D．2倍

17．有一批出口服装，在海上运输途中，因船体触礁，导致服装严重受浸，如果将这批服装漂洗后再运至原定目的港所花费费用已超过服装的保险价值，则这批服装损失应属于(       )

A．单独海损                                                   B．共同海损

C．实际全损                                                   D．推定全损

18．按照我国海运货物保险条款，下列险别中能独立承保且保险公司承保责任最小的是(       )

A．平安险                                                       B．水渍险

C．一切险                                                       D．短量险

19．持票人将远期汇票提交付款人要求其承兑的行为是(       )

A．出票       ;                                                    B．提示

C．受票                                                          D．背书

20．D／D是指(       )

A．付款交单                                                   B．电汇

C．托收                                                          D．票汇