4．We find that this task is the most challenging one that we have ever _______．（　�。�
A．undertakenB．evaluatedC．assumedD．claimed

分析 我們發(fā)現(xiàn)這是我們從事的最具有挑戰(zhàn)的任務(wù)．

解答 答案是A．考查動詞的辨析．A 從事；B 評價；C 假定；D 要求，聲稱．句意是：我們發(fā)現(xiàn)這是我們從事的最具有挑戰(zhàn)的任務(wù)．故選A．

點(diǎn)評 解答此類問題首先需要理解每個單詞的基本含義，并注意交叉含義間的區(qū)別，了解其特殊用法及習(xí)慣搭配等特點(diǎn)，然后結(jié)合語境選擇正確答案．

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科目：高中英語 來源： 題型：閱讀理解

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