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教学目标:1、了解本课介绍的有关地球的知识,懂得保护生态环境、保护地球的重要性;增强环保意识,受到保护环境的教育。
Teaching Objectives: 1, to understand the knowledge of the Earth introduced in this lesson, understand the importance of protecting the ecological environment, the protection of the Earth; enhance awareness of environmental protection, education by the protection of the environment.