1．The traffic on the main streets has a longer green signal than _______ on the small ones．（　�。�
A．oneB．thisC．thatD．it

分析 句意：主干道路的綠色交通信號燈的時間要長于其他小干道的信號燈．

解答 答案C．
這里需要代詞指代the traffic，而that特指不可數(shù)名詞，例如Few pleasures can equal that of a cool drink on a hot day．這句中that指代a cool drink，One泛指可數(shù)名詞單數(shù)；it指代前文出現(xiàn)的事物，this指代前文提到后文還接著出現(xiàn)的可數(shù)名詞單數(shù)．故選C．

點評 考查代詞的辨析，要掌握代詞的用法，根據(jù)語法意義以及語境來選擇合適的答案．

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