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    精英家教网 > 高中英语 > 题目详情
    It’s not easy for the expert to ______ pig flu.in humans from regular human seasonal influenza.    
    A．distinguishB．separateC．identifyD．recognize
    A
    A考查动词词义辨析。句意：对专家来说不容易把人患的猪流感和普通流感区分开来。Distinguish---from把----与---分别开来；separate----from---把---与----分隔；identify辨别；recognize认出。
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