第15题: [单项选择]The new staff didn't know how to use the system ________I explained it to him yesterday. A. until B. because C. if D. since 参考答案:A 答案解析:[详解] 本题考查对not…until用法的掌握。not…until意为“直到……才……”,如:You cannot leave until your work is finished.
第36题: [单项选择]Unless otherwise agreed,()must take the goods from alongside,though this obligation may be varied by a custom of the port which is not inconsistent with the express terms of the contract. A. the consignee B. the consignor C. the owner D. the Charterer 参考答案:A