11．They exercise at__________three times a day．（　　）
A．littleB．lessC．leastD．few

分析 他們每天至少鍛煉三次．

解答 答案：C．考查形容詞詞義辨析．句意：他們每天至少鍛煉三次．little、few都是很少、幾乎沒有的意思，little修飾不可數(shù)名詞．few修飾可數(shù)名詞復(fù)數(shù)．less較少的．a(chǎn)t least至少，是固定詞組．根據(jù)題干前邊有at，可知應(yīng)該用at least．句意為他們每天至少鍛煉三次．故選C．

點評 理解各個選項的含義，及其用法的區(qū)別，根據(jù)具體內(nèi)容作答．

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