第13题: [单项选择]下列只能读不能写的文件打开方式是______。 A. Input B. Output C. Random D. Append 参考答案:A 答案解析:[解析] VBA中如果文件打开方式为Input,则表示从指定的文件中读出记录,此方式不能对打开的文件进行写入操作。如果指定的文件不存在则会产生“文件未找到”错误。
第19题: [单项选择]下列关于新生儿出生后维生素及微量元素的补充,错误的是() A. 生后应立即补充维生素K1mg,早产儿连用3天 B. 生后4天加用维生素C50~100mg/d C. 4周后加维生素A500~1000IU/d、维生素D400~1000IU/d,早产儿用偏大量 D. 4周后加用铁剂,足月儿每日给元素铁2mg/kg;出生体重<1500g的早产儿每日给3~4mg/kg E. 补铁的同时加用维生素E25IU和叶酸2.5mg,1周2次 参考答案:C
第21题: [单项选择]As we can no longer wait for the delivery of our order, we have to ___________ it. A. postpone B. refuse C. delay D. cancel 参考答案:D 答案解析:[译文]因为不能再等订货的送达,我们不得不取消订单。
[题解]近义动词辨析:postpone“推迟,延期”;refuse“拒绝;不接受,不同意”;delay“延误,耽搁;推迟,使延期”; cance
第24题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Call his secretary himself. B. Ask Nick to phone his secretary. C. Find Nick before they leave. D. Leave for the airport at once. 参考答案:B 答案解析:[听力原文]
M: I need to call my secretary before we leave for the airport.
W: I’m afraid there is not