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发表于 13-9-2012 14:34:41|来自:新加坡
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本帖最后由 jjrchome 于 13-9-2012 14:37 编辑
图太小了,看不清楚。 我来给换个大的~~~
The diagram below shows a diversity of living things found on a tree.
Based on the diagram, which of the following statements is correct? - There are two types of decomposers.
- There are nine communities of living things.
- There are seven populations of living things.
- All the living things on the tree are consumers.
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