五下《跟上兔子》 五年级 第2季 A silkworm27s life cycle

1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流五下跟上兔子 五年级 第2季 A silkworm27s life cycle.精品文档.There is a little egg on a leaf. 叶子上有一个小卵。Its about the size of an ink dot. 大约是墨点的大小。Several days later,the egg becomes dark. 几天后，小卵变黑了。Then on a warm day,a baby silkworm comes out from the egg. 然后在一个温暖的日子里，一只蚕宝宝从卵中出来。She is very

2、 hungry. 她非常饿。She eats some elm leaves,but she is still hungry. 她吃了一些榆树叶子，但她还是饿。She eats some dandelion leaves,but she is still hungry. 她吃了一些蒲公英叶子，但她还是饿。She eats some lettuce,but she is still hungry. 她吃了一些莴苣，但她还是饿。She eats some mulberry leaves and feels good,so she eats some more. 她吃了一些桑叶，感觉很好，所以她又吃

3、了一些。She likes mulberry leaves so much that she keeps eating,and growing. 她非常喜欢桑叶，所以她一直在吃着，长着Now she is a big fat silkworm. 现在她是一只肥蚕了。She is ready for the next stage of her life. 她已准备好迎接人生的下一阶段。First,she produces silk thread and begins to build a small house around herself with the thread. 首先，她吐出丝线，开

4、始用线围绕自己建造一座小房子。After she make the outer part of her house,she works on the inside.当她把房子的外部做好之后，她在里面工作了。Then her small house is finished. 然后她的小房子就完工了。people call it”cocoon”. 人们称之为“茧”。In the cocoon,she turns into a brown pupa. 在茧里，她变成了一个褐色的蛹。In about three weeks the pupa becomes a silkworm moth! 大约三周后蛹变成蚕蛾！She tries very hard to get out of the cocoon. 她很努力地从茧中爬出来。Then she meets a boy moth. 然后她遇到了一个雄蛾。They fall in love. 他们坠入爱河。The girl moth lays many tiny yellow eggs. 这只雌蛾产下许多黄色的小卵。Soon after that,she dies. 不久之后，她死了。The yellow eggs be