16．按慣例，國際貨物買賣合同中的速遣費一般規(guī)定為滯期費的(       )

A．30％                                                          B．50％

C．80％                                                          D．2倍

17．有一批出口服裝，在海上運輸途中，因船體觸礁，導致服裝嚴重受浸，如果將這批服裝漂洗后再運至原定目的港所花費費用已超過服裝的保險價值，則這批服裝損失應屬于(       )

A．單獨海損                                                   B．共同海損

C．實際全損                                                   D．推定全損

18．按照我國海運貨物保險條款，下列險別中能獨立承保且保險公司承保責任最小的是(       )

A．平安險                                                       B．水漬險

C．一切險                                                       D．短量險

19．持票人將遠期匯票提交付款人要求其承兌的行為是(       )

A．出票                                                          B．提示

C．受票                                                          D．背書

20．D／D是指(       )

A．付款交單                                                   B．電匯

C．托收                                                          D．票匯