◎ 题干
The Xinhua News Agency has picked its "hot words" for 2009, _____ on news stories in China over the past
year.
[     ]
A. to base    
B. basing   
C. base    
D. based
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The Xinhua News Agency has picked its "hot words" for 2009, _____ on news stories in China over the pastyear. [ ]A. to base B. basing C. base D. based …”主要考查了你对  【过去分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。