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15．Many people believe that hunger is only a problem in the developing world．________，it is a problem all over the world．（　　）
A．As a resultB．On the contraryC．In additionD．For another

分析 很多人認為饑餓僅僅是發(fā)展中國家的問題．相反，這是全世界的問題．

解答 答案是B．本題主要考查介詞短語辨析．as a result因此；on the contrary相反； in addition此外； for another 再則；根據(jù)句意判斷，饑餓是全世界的問題，這與很多人所認為的饑餓是發(fā)展中國家的問題這一觀點"相反"，所以答案選擇B．

點評 本題考查介詞短語的語義辨析，考生在平時的學習中應注意積累相應的短語和詞匯，并牢記其意思．在做題時，將短語的意思和題干相結合，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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