如表是自然演替下某群落植物种类组成的变化情况．

据表分析，回答下列问题：

（1）处于演替早期的阶段是____ （填编号），依据是____ ；若该群落是在原始森林被砍伐后的地段上重新形成的，则此演替类型属于____ 

（2）据表推测，动物种类最多，分层现象最复杂的群落所处的演替阶段是____ （填编号）；在三个演替阶段中，若群落遭受同等程度的破坏，则恢复力稳定性最高的阶段是____ （填编号）．

（3）不同演替阶段中乔木层的优势树种不同，主要原因是当环境条件发生变化时，后期树种具有____ 的特点．

    December 16, 2013 was my birthday. It was the day ____ my best friend left me. I remember it as if it were yesterday. It was also our Christmas concert. ____(offer) a job in Colorado, my friend's father had to leave our city. And his family had to go with ____(he). Mr. Escalante, our old headmaster, brought her whole family up on the stage, and they made a big ____(announce) about how they ____(leave). After the concert ended, I was in a total mess. I felt as if I had made something torn out of my body that could never be ____(full) replaced. My best friend's name was Hannah Zona.

    Ever since I was a little girl, my family was always with the Zonas. We would go to the fair, did anything you could think of. ____(live) so close ____ each other, we could always go to each other's houses after school. ____she is about 7 years older than me, we act like we are sisters. ____(word) can't describe how much I miss her. When she comes back to California, it's like we were never apart. Hannah Zona is the best friend you could ask for. No one could ever replace her and the love I have for her.

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