2. 考研
  3. Many countries have conservation programs to prevent certain______of fish from becoming extinct.

Many countries have conservation programs to prevent certain______of fish from becoming extinct.

admin2014-03-15  47
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 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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