第22题: [单项选择]在学生表中共有100条记录,执行如下命令,执行结果将是 INDEX ON-总分TO ZF SET INDEX TO ZF GO TOP DISPLAY A. 显示的记录号是1 B. 显示分数最高的记录号 C. 显示的记录号是100 D. 显示分数最低的记录号 参考答案:B 答案解析:[解析] 本题考查对索引的理解。利用命令INDEX建立总分降序的索引后,表的记录已经按照总分降序排列,执行命令GO TOP将指针移至排序后的第一条记录,该记录就是总分最高的记录,故选项B为正确答案。
第27题: [单项选择]A. She has to post a letter instead. B. She has to turn down the man’s request. C. She’s not sure if the computer is fixed. D. She can’t send the message right now. 参考答案:D 答案解析:[解析] M: Jessica, could you forward this email to all the club members W: Sorry, the computer
A. satisfy popular curiosity B. answer scientific questions C. establish its activities D. determine its eating habits 参考答案:A 答案解析:本题询问有关动物化石外表复原的目的。相关信息为文章第二段,关键语句为“However,what most people want to know about extinct animals is wh