5．Knowledge and learning are important if we want to be successful，but they may also________ our thinking．（　�。�
A．directB．limitC．changeD．improve

分析 如果我們想要成功，知識(shí)和學(xué)習(xí)都是重要的，但是，它們也許也會(huì)限制我們的思維．

解答 答案：B．
本題主要考查動(dòng)詞的詞義辨析．在題干中，有很明顯的轉(zhuǎn)折副詞"but"，故要選擇其相反的含義．選項(xiàng)A direct，指導(dǎo)，引導(dǎo)；選項(xiàng)B limit限制；選項(xiàng)C improve，提高改善；選項(xiàng)D change，改變，變化．根據(jù)句意"但是，它們也許也會(huì)限制我們的思維"，所以應(yīng)該選擇B．

點(diǎn)評(píng) 做這類題目，首先要理解四個(gè)選項(xiàng)的詞義，然后根據(jù)句意選擇正確的選項(xiàng)．

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