问题 单项选择题

以下字符串不符合Access字段命名规则的是()。

A.school

B.生日快乐

C.hello.c

D.//注释

答案

参考答案:C

解析:

字段命名规则为长度1-64个字符;可以包含字母、汉字、数字、空格和其他字符;不能包括句号(.)、感叹号(!),方括号([])和重音符号(')。

材料分析题

材料:继“神舟五号”、“神舟六号”、“嫦娥一号”发射成功后,我国于2008年9月27日成功发射了“神舟七号”,中国宇航员首次进行了太空行走,这标志着中国进入宇宙探索领域强国之列,成为了世界上第三个独立掌握空间出舱技术的国家。

(1)“神舟七号”发射成功是我国实施哪项战略的结果?

                                                                                                                                                              

(2)神舟七号”发射成功的重要意义有哪些?

                                                                                                                                                               

                                                                                                                                                              

                                                                                                                                                             

(3)“神舟七号”发射成功对我国进行现代化建设、实现中 * * 的伟大复兴有何启示?

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                              

单项选择题