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There are, as yet, no vegetation types or ecosystems whose study has been (i)___
There are, as yet, no vegetation types or ecosystems whose study has been (i)___
游客
2025-02-20
7
管理
问题
There are, as yet, no vegetation types or ecosystems whose study has been (i)________ to the extent that they no longer (ii)________ ecologists.
选项
A、perfected…hinder
B、exhausted…interest
C、prolonged…require
D、prevented…challenge
E、delayed…benefit
答案
B
解析
空格(ii):
- 方程等号:no longer不再,取反。两空联动,取反。
- 强词和对应:they指代types or ecosystems。体现生态系统的研究程度和生态学家之间的关系。代入选项,perfected完美…hinder阻碍,如果研究是完美的,那么hinder这个词用在这里就不合适了,都完美了,就不可能讨论拖后腿这种情况,应该更多考虑的是加强未来研究;exhausted被详尽彻底研究…interest吸引,正确;prolonged延长…require要求,无关,错误;prevented被阻止…challenge挑战,两空取同,错误;delayed被延迟…benefit有利,无关,错误。答案选B。
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