2009-09-03標簽: 發(fā)育
1、花芽的形成,標志著(zhù)生殖生長(cháng)的開(kāi)始2、一年或二年生植物生殖生長(cháng)開(kāi)始后,營(yíng)養生長(cháng)減慢或停止。3、多年生木本植物點(diǎn)擊下載:http://files.eduu.com/down.php?id=188662 [閱讀全文]
2009-08-29標簽: 發(fā)育
Childrenpushedinbuggieswhichfaceawayfromtheirparentsmaysufferlong-termemotionalandlanguageproblems,accordingtoastudypublishedonFriday.Theresearch,believedtobethefirstofit [閱讀全文]
2009-08-29標簽: 發(fā)育
雙語(yǔ):寶寶坐童車(chē)背對父母有礙身心發(fā)育Childrenpushedinbuggieswhichfaceawayfromtheirparentsmaysufferlong-termemotionalandlanguageproblems,accordingtoastudypublishedonFriday [閱讀全文]
2009-08-24標簽: 發(fā)育
第四章第三節河流地貌的發(fā)育第2課時(shí)●教學(xué)過(guò)程[新課導入](出示圖片長(cháng)江三峽和長(cháng)江三角洲)師:同學(xué)們,以上兩幅圖片都是河流地貌,它們的區別在哪里呢?生:三峽是河流侵蝕地貌, [閱讀全文]
2009-08-02標簽: 發(fā)育
一、素質(zhì)教育目標(一)知識教學(xué)點(diǎn)1.了解個(gè)體發(fā)育的概念。2.理解薺菜胚的發(fā)育過(guò)程和發(fā)育結果。3.理解玉米胚乳的發(fā)育過(guò)程和發(fā)育結果。(二)能力訓練點(diǎn)1.通過(guò)圖40薺菜胚的發(fā)育過(guò)程 [閱讀全文]