问题
填空题
同一个表的多个索引可以创建在一个索引文件中，索引文件名与相关的表同名，索引文件的扩展名是 【6】 ，这种索引称为 【7】 。
答案
参考答案：[6]CDX(或.CDX)
解析：[7]结构复合索引(或结构索引) 本题考查结构复合索引的掌握。结构复合索引文件随表打开而自动打开，在同一索引文件中能包含多个索引项，它的扩展名为.CDX。
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同一个表的多个索引可以创建在一个索引文件中，索引文件名与相关的表同名，索引文件的扩展名是 【6】 ，这种索引称为 【7】 。
参考答案：[6]CDX(或.CDX)
解析：[7]结构复合索引(或结构索引) 本题考查结构复合索引的掌握。结构复合索引文件随表打开而自动打开，在同一索引文件中能包含多个索引项，它的扩展名为.CDX。
| 阅读理解。 | ||||
| In the recent years, people have shown their thanks, invitations, or hopes and wishes, or something else in different kinds of cards. Here are some cards below.
| ||||
| 1. ______ must be a teacher in a school. | ||||
[ ] | ||||
| A. Mr. Li B. Ben C. Lucy D. Mark | ||||
| 2. Tom expresses his ______ in his card.. | ||||
[ ] | ||||
| A. hopes B. wishes C. thanks D. invitation | ||||
| 3. Kate is going to ______ next Tuesday. | ||||
[ ] | ||||
| A. take midexams B. have a birthday party C. go on a vacation D. look after the dog. | ||||
| 4. Lily's good friends are going to her birthday party ______. | ||||
[ ] | ||||
| A. this Saturday B. next Tuesday C. on October 10th D. on June 16th | ||||
| 5. ______ has a dog. | ||||
[ ] | ||||
| A. Kate B. WangNan C. Mark D. Tom |