Many countries have conservation programs to prevent certain ______ of fish from

游客2025-04-03 51

问题 Many countries have conservation programs to prevent certain ______ of fish from becoming extinct.

选项 A、sources
B、species
C、numbers
D、members

答案 B

解析本题考查句意和名词辨析。source“来源，资源”；species“种类”；number“数量”；member“成员”。根据句意应该是鱼的种类，故答案选B。

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