Only individual benefactors and ad hoc grants have made possible the ecological

游客2025-01-31 38

问题 Only individual benefactors and ad hoc grants have made possible the ecological surveys already undertaken.

选项 A、additional
B、unique
C、special
D、specific

答案 C

解析

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Onlyindividualbenefactorsandadhocgrantshavemadepossibletheecological