[典题示例]
Unfortunately, it took the explorers and the settlers who followed only a few decades to decimate a large part of these resources. Millions of waterfowl（水禽）were killed at the hands of market hunters and a handful of overly ambitious sportsmen ...
What does the underlined word "decimate" mean?
（）

A.Acquire.
B.Export.
C.Destroy.
D.Distribute.
[技法分解]
第一步：寻找上下文和画线处在意义上具有定义内涵、举例重述、近义反义的表达。根据句首的Unfortunately，以及下文的“waterfowl（水禽）were killed”可知，这些词义是和画线处举例重述的近义表达。
第二步：根据关键词回推画线处意义。所以根据寻找到的关键词回推decimate，应是对资源的破坏。
第三步：比对选项可知C项正确。

C