题目内容

下列各项中不属于符号的是。

A. 十字路口的红绿灯
B. 轮船上的旗语
C. 化学方程式中表示气体的“↑”
D. 从烟囱冒出的烟

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Weforgotto_______thecomputertothephoneline.

A. contact
B. reach
C. touch
D. connect

Thisbookisdifficulttounderstandbecausetherearetoomanytechnical_______init.

A. names
B. terms
C. calls
D. minds

Thisisthereason__________youbuiltthewebsiteanditisthereason_______youaremakingitaccessible.

A. why,which
B. why,why
C. which,why
D. which,which

Themainhardwareinacomputerincludesmonitor,keyboard,mainboardwithCPU,_______,mouse,harddisk,soundbox,etc.

A. WindowsXP
B. software
C. diskdrive
D. Office

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