新概念英语青少版-2B全单元课件-unit-17(共37张)

1、新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页) 布谷鸟准备产蛋了，但它却不会自己筑巢,它会来到像那些比它小的鸟类的巢中，移走原来的那窝蛋中的一个，用自己的蛋来取而代之。相对于它的体形来说，它的蛋是偏小的，而且蛋上的斑纹同它混入的其他鸟的蛋也非常相似，所以不易被分辨出来。如果不是这样，它的蛋肯定会被扔出去。 布谷鸟的鸟蛋比其他鸟蛋早孵化。幼鸟出来后，会立刻把其他的蛋扔出巢外。它之所以这样做， 是因为它不久就会长得很大，需要吃光养母所能找到的全部食物。 一只布谷鸟的幼鸟正在由它的养母-一只比它小得多的刺嘴莺喂食。它需要的食物

2、相当于3-4只其养母亲生的幼鸟本来需要进食的总量。 趁其他鸟没看见时，布谷鸟在它们的巢中产蛋。它必须非常迅速地做完这件事。它的蛋有着特别厚的外壳，这样在落入巢中时就不会碎掉了。 动物界的十大坏妈妈:布谷鸟 布谷鸟准备产蛋了，但它却不会自己筑巢,它会来到像那些Listen to the recording, and then answer this question: Who are all enthusiastic birdwatchers now?听录音，然后回答问题：现在谁是观鸟爱好者？Listen to the recording, and tengineern.工程师enthusias

3、ticadj.很感兴趣的 热情的birdwatcher n.观鸟者also adv.也also用于be动词之后engineerenthusiasticbirdwatcheTry to translate保罗的爸爸，肯布鲁斯是一名工程师，他也是观鸟爱好者。Try to translate保罗的爸爸，肯布鲁斯是一名新概念英语青少版_2B全单元课件_unit_17(共37页)Last spring,two little birds appeared in his garden.appear v.出现disappear v.消失Ken installed a webcam, and invited h

4、is neighbours to log on.时态？去年春天，花园里来了两只小鸟。install v.安装webcam n.网络摄像机invite v.邀请invite sb. to do sth.邀请某人做某事I invited him to come to my party!log on 登陆肯安了一台网络摄像机，并让邻居上网观看。Last spring,two little birds aEveryone watched enthusiastically.enthusiastically adv.很感兴趣地Soon, there was a little nest.Then,anoth

5、er bird arrived.It was a cuckoo.大家都很感兴趣。another 另一个，又一个；后跟单数名词We are going to have another baby .我们又要有一个孩子。Would you like another apple?你想再来个苹果吗？不久，出现了一个小鸟窝，然后又来了一只鸟，一只布谷鸟。adv.(副词)副词是一种用来修饰动词,形容词,全句的词,说明时间,地点,程度,方式等概念；多数副词都可以放在动词的后面，而且英语中大部分副词都是-ly结尾的。Everyone watched enthusiasticaThe cuckoo watched

6、 patiently.Three little eggs appeared in the nest.patient adj.耐心的 n.病人 patiently adj.耐心地 布谷鸟耐心地观察着。之后鸟窝里出现了3个小鸟蛋。The cuckoo watched patiently.T新概念英语青少版_2B全单元课件_unit_17(共37页)The cuckoo waited.Suddenly, she had her chance.The mother wasnt there.suddenly adv.突然地布谷鸟等待着，突然，她的机会来了。鸟妈妈不在窝里。chance n.机会have

7、a chance有机会The cuckoo waited.Suddenly, shThe cuckoo darted to the nest.In two seconds,there was a fourth egg beside the other three.fourth adj.第四的布谷鸟冲向鸟窝。两秒钟后，3个蛋旁边多了一个蛋。dart v.急冲dart to冲向The cuckoo darted to the nest.新概念英语青少版_2B全单元课件_unit_17(共37页)After twelve days,the young cuckoo hatched.The littl

8、e birds hurried to get food for the baby cuckoo.hurry to do sth.急忙做某事12天后，小布谷鸟孵出来了，小鸟急忙给它找食。hatch v.破壳而出，孵出get food 获取食物After twelve days,the young cu新概念英语青少版_2B全单元课件_unit_17(共37页)Kens neighbours watched excitedly.肯的邻居们很激动地观察着。excited adj.激动的，兴奋的excitedly adv.激动地，兴奋地The baby cuckoo picked up the oth

9、er eggs easily with its back,and pushed them out of the nest.小布谷鸟用后背轻易地抬起另外3个蛋，把它们推出了鸟窝。easy adj.容易的easily adv.容易地push v.推out of prep.外out of the park在公园外Kens neighbours watched excitThe birds returned and pushed food into its mouth.小鸟回来了，把食物塞进了小布谷鸟的嘴里。return v.返回After twenty days, the cuckoo was en

10、ormous!20天后，小布谷鸟长得非常大了！enormous adj.巨大的，极大的The birds returned and pushed On 6th May, it opened its wings.wing n.翅膀5月6号，它展开翅膀。In a moment, the nest was empty. The show was over.一会儿，鸟窝空了。表演结束了。On 6th May, it opened its wing新概念英语青少版_2B全单元课件_unit_17(共37页)Try to translate当然，现在肯的邻居都成了观鸟爱好者了！Try to transla

11、te当然，现在肯的邻居都成了观鸟新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页)我们在以/t/或者/d/结尾的规则变化动词后面加-(e)d构成过去式时，其词尾作为一个附加的音节读作/id/新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英语青少版_2B全单元课件_unit_17(共37页)新概念英