观察叶guāncháyè,这是同一种树叶吗？zhèshìtóngyīzhǒngshùyèma栎树叶lìshùyè芭蕉叶bājiāoyè,这是同一种树叶吗？zhèshìtóngyīzhǒngshùyèma杨树叶yángshùyè桃树叶táoshùyè,雪松叶xuěsōngyè银杏叶yínxìnyè,柳树叶liǔshùyè桑树叶sāngshùyè,枫树叶fēngshùyè槭树叶qìshùyè像xiàng,枫树种子fēngshùzhǒngzi槭树种子qìshùzhǒngzi除了观察叶，还能观察哪些？,一棵植物的叶，都一样吗？yīkēzhíwùdeyèdōuyíyàngma,huàyīpiànyè画一片叶我画的叶一（）班姓名：日期：,叶是从哪里长出来的？它会怎样变化？tāhuìzěnyàngbiànhuàyèshìcóngnǎlǐzhǎngchūláide,小挑战—用叶画画xiǎotiǎozhànyòngyèhuàhuà,,,
