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【单选题】
关于分组查询和联接查询，描述错误的是（ ）A.
GROUP BY意为“根据（by）一定的规则进行分组（Group）”。
B.
分组的作用是通过一定的规则将一个数据集划分为若干个小的区域，然后针对若干个小区域进行统计汇总
C.
联接查询的作用可以将多个表作为一个表进行处理
D.
联接查询分为：长连接和短连接。
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【简答题】8MB等于【 】KB。
【单选题】The boy is fond of playing games and wants to be a programmer .
A.
one who supervises a project
B.
one who organizes activities
C.
one who creates computer programs
【单选题】听力原文：W: Press twelve, please. Thank you. M: You' re welcome. That' s where I' m going. Q: Where did this conversation probably take place? (14)
A.
In a laundry.
B.
In an elevator.
C.
In a library.
D.
In a bakery.
【判断题】I am not a computer programmer, and I have no plan to be a programmer or a software engineer, but I still have to encounter many computer programs in my jobs or life.
A.
正确
B.
错误
【单选题】听力原文：M: Can I help you? W: Yes, please. I'd like three exercise books. M: OK. Q: what's the dialogue about? (18)
A.
Shopping.
B.
Food.
C.
Homework.
【单选题】听力原文：W: May I help you? M: Yes, please. Would you please show me that green shirt? Q: Where are they talking? (19)
A.
In the cinema.
B.
In the post office.
C.
In the store.
【单选题】Tim _________ use computers. He __________to be a programmer.
A.
likes to, 'd like to
B.
'd like to, likes to
C.
want, want
【简答题】Be q____, please. I’m doing my homework.
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