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A computer is usually a screen, a main u...

A computer is usually             a screen, a main unit ,a mouse and so on.

A. made of    B. made from     C. made up of    D made out of

 

C 【解析】 试题分析:句意:一台电脑通常是由一个屏幕,一个主机,一个鼠标等组成。be made of 用……制成的。指从成品上能看出原料,制成物没有改变原料的本质;be made from用……制造的。指从制成特看不出原料,制成物已改变了原料的本质; be made up of 用……构成或组成的。指人、物皆可,指结构成分;be made out of 由……制成的。与be made of , be made from意思类似。故答案为C。 考点:考查动词词组辨析。  
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