题目内容

______ is the common factor of the three sounds: [P], [k], [t]

A. Voiceless
B. Spread
C. Voiced
D. Nasal

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______是指对提供某种网络服务的服务器发起攻击,造成网络的“拒绝服务”或丧失服务能力,致使网络工作不正常,甚至于完全不能工作。

A. 服务攻击
B. 非服务攻击
C. 对象攻击
D. 非对象攻击

Beside the pleasurable sounds of music and expressive feeling that it ______ , music does exist in terms of notes themselves and of their manipulation.

A. gives away
B. gives off
C. gives up
D. gives in

What does co-education offer to children

A society.
B. A true small model of society.
C. A real life,
D. True version of social condition.

对于下列文件的物理结构,只能采用顺序存取方式的是______。

A. 顺序结构
B. 链接结构
C. 索引结构
D. Hash结构

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