第2题:[判断题]查询锁定用户命令只能由管理员（admin）执行，即使是具有所有权限的非管理员用户也不能执行。
Querying a Locked User command can be executed by the administrator only. Other non-administrator users cannot execute it regardless of their permissions. A.正确 B.错误 参考答案:A
第23题: [单项选择]6个大球与3个小球共重48克，6个小球与3个大球共重42克，则大球重多少克 A. 4 B. 5 C. 6 D. 7 参考答案:C 答案解析:[解析] 由题意可知，9个大球与9个小球共重48+42=90克，则3个大球与3个小球共重90÷3=30克，所以1个大球重(48-30)÷3=6克。
第28题: [单项选择]In terms of its tone and its form, the passage can best be characterized as A. a critical analysis B. a speculative study C. a dispassionate presentation D. an indignant denial E. a dogmatic explanation 参考答案:A
