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20．The police _______ that I hadn't fastened my seat belt and signaled me to stop my car．（　�。�

A．

discovered

B．

spotted

C．

explained

D．

stared

分析警察注意到我沒有系座位安全帶，并且示意我停車．

解答答案是B．
本題考查動詞詞義辨析．A項表示"發現（原本存在但是不為人知的事實），發現（一直在尋找的某人或某物）"；B項表示"發現（注意到…）"；C項表示"解釋"；D項表示"盯視"；根據句意，警察"注意到"我沒有系座位安全帶，所以答案選擇B項，其它選項不符合邏輯．

點評本題考查動詞詞義辨析，考生在平時的學習中應注意積累相應的詞匯和搭配，并牢記其意思．在做題時，將詞義和題干相結合，從語法、句子結構尤其是句意上去判斷，句意通順，符合邏輯，即正確答案．

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