实验结果表明：在中学阶段有必要开展英语课外阅读活动；

The result shows that it is necessary to conduct the extracurricular reading in the middle school.

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由此，作者得出结论：理论分析和实践调查都足以说明，大江中学有效开展英语课外阅读活动很有必要。

Therefore, the conclusion is demonstrated as follows:It is very necessary to conduct English after-class reading in Dajiang Middle School both in theory and practice.

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