这种观望行为影响了实际的教学交互水平，更影响了学习者的在线学习效果。

The lurkers' behavior has influenced the factual interactive level of teaching and learning, and even more it has affected the achievement of on-line learning.

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如何加强网络环境中的教学设计，有效地发挥网络环境中的交互和分布优势，是提高教学水平的新课题。

Enhancing the design of teaching and utilizing the advantages of interaction and distribution in network environment have become the new topic for improving teaching level.

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交互教学是一种通过认知策略的教学以提高学生阅读理解和理解监控水平的教学方法。

Reciprocal teaching is an instructional procedure designed to teach students cognitive strategies that might lead to improved reading comprehension and comprehension monitoring.

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