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Look before you leap! You have to ______the costs of the new system against the benefits it will bring.

A.weighB.matchC.defendD.Fight

A

解析试题分析:考察动词辨析A衡量,度量 B匹配 C维护;抵御 D战斗
句意:三思而后行!你得将研发新型系统的所需的陈本和它可能带来的利润仔细度量一下。
根据句意可知:A选项符合题意
考点:考察动词辨析 
点评:考生应知道,对于词义的辨析题要放在具体的语言环境中进行,平时要加强对单词词义辨析的理解和应用,注意平时扩充自己的词汇量。

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