2009-09-03标签: 发育
1、花芽的形成,标志着生殖生长的开始2、一年或二年生植物生殖生长开始后,营养生长减慢或停止。3、多年生木本植物点击下载:http://files.eduu.com/down.php?id=188662 [阅读全文]
2009-08-29标签: 发育
Childrenpushedinbuggieswhichfaceawayfromtheirparentsmaysufferlong-termemotionalandlanguageproblems,accordingtoastudypublishedonFriday.Theresearch,believedtobethefirstofit [阅读全文]
2009-08-29标签: 发育
双语:宝宝坐童车背对父母有碍身心发育Childrenpushedinbuggieswhichfaceawayfromtheirparentsmaysufferlong-termemotionalandlanguageproblems,accordingtoastudypublishedonFriday [阅读全文]
2009-08-24标签: 发育
第四章第三节河流地貌的发育第2课时●教学过程[新课导入](出示图片长江三峡和长江三角洲)师:同学们,以上两幅图片都是河流地貌,它们的区别在哪里呢?生:三峡是河流侵蚀地貌, [阅读全文]