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【单选题】
软件系统一般分为系统软件和应用软件两大类，下述属于应用软件的是A.
财务管理软件
B.
数据库管理系统
C.
Windows操作系统
D.
Linux操作系统
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反馈参考答案：
举一反三
【单选题】When the teacher is presenting a new language， giving explanations， checking answers，which of the following should be adopted?
A.
Whole class work.
B.
Pair work.
C.
Group work.
D.
Individual work.
【单选题】When checking the liquid level in a tank, you should position yourself _____.
A.
on the windward side of the opening
B.
on the leeward side of the opening
C.
at a right angle to the wind direction
D.
so that the obstruction of your body will protect you from the fumes
【单选题】Many people have two accounts in a bank, A savings account and a checking account. When people deposit money in a savings account, it earns interest. They can withdraw their savings at any time, unles...
A.
Right
B.
Wrong
C.
Doesn't say
【单选题】What does the professor mean when she says this:
A.
She is checking to be sure that the students understand.
B.
She is expressing uncertainty about the information.
C.
She is inviting the students to disagree with her.
D.
She is indicating that she is in a hurry to continue.
【单选题】主文件名与表的主文件名相同，并且随表的打开而自动打开，在增加记录或修改索引关键字值时会随着自动更新的索引文件是( )。
A.
复合索引文件
B.
结构复合压缩索引文件
C.
非结构复合索引文件
D.
单一索引文件
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