【单选题】At the beginning of each course, the teacher should give a very ______ explanation of his plan for this course.
【单选题】项目是不是为完成某一独特的产品、服务或任务所做的一次性努力。
【简答题】When authenticating an alteration on correction or the B/L, such authentication must consist of: 1) the name of the company the alteration. 2) their capacity (i. e. agent if the authentication ...
【单选题】David gave us a vivid ________ of his trip to Mount Tai after his return. [ ]
【单选题】When people started questioning his explanation,he had to______ more details. [ ]
【单选题】After his long and complicated explanation, I finally ________ his main point.