Why is it a problem if all the smaller fish species die?
- A It's not healthy for the environment.
- B People only like to catch big fish.
- C There are too many small fish.
- D The smaller fish can get lost in the lake.
问题
Why is it a problem if all the smaller
参考解析：
55．第一段最后一句。说明其他物种的消失会破坏环境。选项 A是正确的。
分类：其他
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