It’s known ___ us that a mouse has a good nose ___cheese.

A．for ; for           B．to ; for            C．by ; to            D．by ; at

 

【答案】

B

【解析】

試題分析：考查介詞：第一空填to，be known to sb為…所熟知，第二空填for，have a good nose for對…嗅覺靈敏，句意：眾所周知，老鼠對奶酪嗅覺靈敏。選B。

考點：考查介詞辨析

點評：介詞一直是命題者常設置的考點和重點，平時要加強記憶。本題的四個選項都很重要，尤其要注意四個短語在具體語言環(huán)境中的使用，考生應注意對介詞搭配的短語的正確歸類和對詞義的準確理解。

 

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