(单选题)

Many sources of information can ( ) our chances of getting in touch with the current events in the world.

A.enhance

B.expand

C.limit

D.imagine

参考答案：B

参考解析：

词汇辨析。句意：信息源的多样化可以扩大我们了解国际时事的渠道。A, enhance something means to improve its value, quality, or attractiveness,故不可用于修饰chance，排除A；C限制；D想象。expand适用于扩大/增加（规模、数目、数量），所以expand chances增加机会、几率。故本题正确答案选B。

知识点：词汇辨析英语语法串讲通用英语

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