第9题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Saleswoman and customer. B. Bride and bridegroom. C. Waitress and customer. D. Teacher and student. 参考答案:A 答案解析:[听力原文]
W: If this color is not to your taste, how about the blue one They axe all new models.
M:
第19题:[多选题]以下查询语句合法的是( ) A. select * from scott.emp; B. select count(empno) from scott.emp; C. select sum(sal) from scott.emp group by deptno; D. Aselect empno ,sum(sal) from scott.emp group by deptno; 参考答案:ABC