人教版部编四年级上册第十一课变废为宝有妙招一课一练(含答案)
第十一课变废为宝有妙招学习目标:了解垃圾暴增的现状及危害,懂得垃圾分类、回收,再循环利用的意义。能节约资源和再利用资源,从小树立环保意识。学习重点:知道垃圾的危害,懂得垃圾中也蕴藏着丰富的资源,可以回收和再利用。学习难点:懂得垃圾的分类及其意义,学会垃圾分类,发挥自己的创意使垃圾变废为宝。知识窗:分类收集集中收运积分激励2019年,湖南省长沙市开福区采取“厨余垃圾、可回收物、有害垃圾、其他垃圾及大件垃圾、装修垃圾”的分类模式(简称“4+2”)。采取了几种有效的分类投放模式,值得推广。一是全分类屋模式:适合物业小区或开放式小区。居民到全分类屋自行投放,小区内不再摆放垃圾桶,环境更加整洁。二是分类...
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