2009-09-03標(biāo)簽: 發(fā)育
1、花芽的形成,標(biāo)志著生殖生長(zhǎng)的開始2、一年或二年生植物生殖生長(zhǎng)開始后,營(yíng)養(yǎng)生長(zhǎng)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(biāo)簽: 發(fā)育
Childrenpushedinbuggieswhichfaceawayfromtheirparentsmaysufferlong-termemotionalandlanguageproblems,accordingtoastudypublishedonFriday.Theresearch,believedtobethefirstofit [閱讀全文]
2009-08-29標(biāo)簽: 發(fā)育
雙語:寶寶坐童車背對(duì)父母有礙身心發(fā)育Childrenpushedinbuggieswhichfaceawayfromtheirparentsmaysufferlong-termemotionalandlanguageproblems,accordingtoastudypublishedonFriday [閱讀全文]
2009-08-24標(biāo)簽: 發(fā)育
第四章第三節(jié)河流地貌的發(fā)育第2課時(shí)●教學(xué)過程[新課導(dǎo)入](出示圖片長(zhǎng)江三峽和長(zhǎng)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(qū)別在哪里呢?生:三峽是河流侵蝕地貌, [閱讀全文]
2009-08-02標(biāo)簽: 發(fā)育
一、素質(zhì)教育目標(biāo)(一)知識(shí)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)育過程和發(fā)育結(jié)果。3.理解玉米胚乳的發(fā)育過程和發(fā)育結(jié)果。(二)能力訓(xùn)練點(diǎn)1.通過圖40薺菜胚的發(fā)育過程 [閱讀全文]