第6题:[单选题]The sports meet was postponed owing to the heavy rain. A.put up B.put away C.put off D.put on 参考答案:C 句意:运动会由于暴雨而推迟举行。句中postpone意为“推迟”。 put up意为“举起”;put away意为“把……收起、放好”;put off意为“推迟”;put on意为“举行、假装、上演”,只有put off意思上和postpone最接近。
A. having written B. to be written C. being written D. written 参考答案:D 答案解析:过去分词。把英语作为外语来教的第一批课本,是在十六世纪出版的。▲非谓语动词与其逻辑主语之间是被动关系,因此用过去分词written作定语,相当于定语从句which were written for t
第18题: [单项选择]上腹部CT检查前,一般需口服稀释的阳性对比剂,通常检查前30min一次口服的量是() A. 50~100ml B. 100~200ml C. 300~500ml D. 800~1000ml E. 500~1500ml 参考答案:C 答案解析:上腹部CT检查前,一般需口服稀释的阳性对比剂,通常检查前30min一次口服的量是300~500ml。