第10题: [单项选择]若要从学生表中检索出jg并去掉重复记录,可使用如下SQL语句 SELECT______jg FROM student 请选出正确的选项完成该语句 A. ALL B. * C. DISTINCT 参考答案:D 答案解析:[解析] 在SELECT语句的后面,如果选用DISTINCT选项,表示去掉重复记录,选用ALL代表显示所有记录,选用*代表所有字段,而是非法的.故选项D为正确答案。
第15题: [单项选择]What does the woman mean [A] She also wants to go to Queen Street. [B] She doesn’t know the way to Queen Street. [C] The man is a stranger to her. 参考答案:B 答案解析:[听力原文] M: Excuse me, how can I get to Queen Street W: I’m a stranger here myself. Q: What