【单选题】进口商A公司与某出口商B公司达成了10000公吨铁矿石的买卖,A公司开出的信用证上的规定数量增减不得超过2%,但B公司发运了10500公吨,并要求A公司按10500公吨付款。B公司的这种要求是不合理的。 ( )
【单选题】Why vincent didn't want to be Jim's room-mate? It was _____ Jim didn't do the cleaning ______
【简答题】Fred and Jim didn't like each other at first, but ually they became good friends.
【单选题】Jim didn't know when the party _________.
【简答题】______油脂完全皂化所需要的氢氧化钾的______叫做皂化值。