第12题: [单项选择]What docs the man imply about Mary A. The man won’t have the meeting. B. The man will go to the meeting whether the time is changed or not. C. The man will go for a meeting any day. D. Any meeting is the same to the man. 参考答案:B 答案解析:[听力原文] W: We are going to change our meeting from Monday to Tuesday. M: It’s all the same to m
第36题: [单项选择]在以下的命令中,应该使用哪一个来激活(开启)一个角色 A. SET ROLE B. ALTER USER C. CREATE ROLE D. ALTER SYSTEM 参考答案:A 答案解析:[解析] 这一题是测试对激活和禁止角色的理解程度。根据有关激活和禁止角色的介绍,可以断定只有选项A是正确的。 实际上,这一题并不难。即使忘记了激活(开启)一个角色的语句也不要紧,因为是操作角