题目内容

在以下各排序方法中，稳定的是(23)。

A. 堆排序
B. 基数排序
C. 快速排序
D. 希尔排序

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Some of the keys have a special use. There are referred to as command keys. The 3 most common are the Control or(66), Alternate or(67)and the Shift keys though there can be more(the Windows key for example or the Command key). Each key on a standard keyboard has one or two characters. Press the key to get the lower character and hold Shift to get the upper. Disk Drives - All(68)need a drive to get information off - or(69)- and put information on the disk - or(70). Each drive is designed for a specific type of disk whether it is a CD, DVD, hard disk or floppy. Often the term 'disk'and 'drive'are used to describe the same thing but it helps to understand that the disk is the storage device which contains computer files-or software - and the drive is the mechanism that runs the disk.

A. CON
B. CTRL
COTL
D. CTR

SQL语句“院系号NOT IN(”001”，”002”)”表示(54)。

A. 院系号=“001”AND院系号=“002”
B. 院系号!=“001”AND院系号!=“002”
C. 院系号=“001”OR院系号=“002”
D. 院系号!=“001”OR院系号!=“002”

城市交通现状调查资料中包括()。

A. 城市机动车、非机动车数量统计资料
B. 城市道路及交叉口的机动车分布资料
C. 城市发展期限、性质、经济发展资料
D. 城市非机动车、行人交通量分布资料

A．system hardwareB．system softwareC．keyboardD．operation system

A. system hardware
B. system software
C. keyboard
D. operation system