But, in our enthusiasm to discover our heritage, we are ruining the very scenery we go to en joy, damaging natural habitats, ___

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问题 But, in our enthusiasm to discover our heritage, we are ruining the very scenery we go to en joy, damaging natural habitats, ______ down footpaths, disturbing wildlife, polluting the air and drop ping litter.

选项 A、wearing
B、treading
C、falling
D、cutting

答案B

解析 tread down footpaths意思是踩出小路。其他三个词此处与down搭配，都在逻辑语义上不通。

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考博英语

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But, in our enthusiasm to discover our heritage, we are ruining the very scenery we go to en joy, damaging natural habitats, ___

考博英语

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