When buyer and seller discuss the terms of the contract，terms of shipment are (1) ．Terms of shipment include methods of transport，time for shipment，partial shipment and transshipment，port or place of loading and unloading， (2) ，etc．when the traders discuss the time of shipment in the contract，they should take the following into account：The (3) should consider whether he can get the goods ready before the shipment date and whether the ship is available if the goods are ready．The time of shipment should be stipulated in a clear and (4) way．Sometimes，the L/C simply stipulates an expiry date without a shipment date，which means these two dates are (5) ．
A．importance
B．necessity
C．compulsory
D．major
参考答案：C
解析： 按照国际贸易惯例解释，装运时间、装运港、目的港、是否允许转船与分批装运、装运通知，以及滞期、速遣条款等内容通常应包括在装运条款中。装运条款的内容及其具体订立与合同的性质和运输方式有着密切的关系，所以装运条款是买卖合同中必要条款(compulsory)。