【2017年整理】晋西北地区具体的讲解知识点.ppt

Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 背景资料 晋西北地区具体是指山西省的河曲、保德、偏关和兴县，地处山西高原的西北边缘。晋西北地区与毛乌素沙地正面相迎，与内蒙古、陕北风沙区相毗邻，自然条件恶劣，整体生态环境处于极度脆弱状态，是北方地区沙尘暴侵袭京津的中、西两条主线的必经之地。由于该地区长期以来乱采滥挖、滥垦滥牧现象普遍，致使国土资源和植被遭到严重破坏，加上恶劣的自然、气候条件影响，不植树造林，使晋西北土地沙化、荒漠化现象十分严重，成了北方著名的风沙源头。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 被黄沙逐渐吞没的村庄 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 沙尘满天的城市 长春癫痫病医院/ 长春市癫痫病医院 长春癫痫专科医院 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 淤泥 归宿 荡漾 土炕 盘踞 肆虐 劲挺 领悟 归宿 风雨同舟 三番五次 读读记记 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 淤泥 归宿 荡漾 土炕 盘踞 肆虐 yū sù yàng kàng jù nuè Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 说说课文的主要内容是什么？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 阅读要求： Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 默读课文,思考:这位老人创造了怎样的奇迹？用“——”划出。找好后