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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

試題分析：考察動詞辨析A衡量，度量 B匹配 C維護(hù)；抵御 D戰(zhàn)斗
句意:三思而后行！你得將研發(fā)新型系統(tǒng)的所需的陳本和它可能帶來的利潤仔細(xì)度量一下。
根據(jù)句意可知：A選項符合題意
考點:考察動詞辨析 
點評：考生應(yīng)知道，對于詞義的辨析題要放在具體的語言環(huán)境中進(jìn)行，平時要加強對單詞詞義辨析的理解和應(yīng)用，注意平時擴充自己的詞匯量。
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