2. 外语
  3. ______increases every year as natural habitats disappear.

______increases every year as natural habitats disappear.

admin2012-07-22  37
问题 ______increases every year as natural habitats disappear.
选项 A、The amount of endangered species
B、The quantity of endangering species
C、The number of endangered species
D、The majority of endangering species
答案C
解析
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