新概念英语青少版2bUnit17课件.pptx（纯ppt,可能不含音视频素材）

1、Unit 17A cuckoo in the nestlead-inlead-in动物界的十大坏妈妈:布谷鸟 cuckoo 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。它需要的食物相当

2、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。lesson 33lesson 33Lets learn some new words and expressions:cuckoo n.杜鹃，布谷鸟 nest n.鸟窝，巢engineer n.工程师enthusiastic adj.很感兴趣的birdwatcher n.观鸟者appear v.出现install v.安装webcam n.网络摄像机invite v.邀请log on v.+adv.登录enthusiasti

3、cally adv.(manner)很感兴趣地patiently adv.(manner)耐心地egg n.蛋suddenly adv.(time)(manner)突然地chance n.机会dart v.急冲second n.（时间的）秒hatch v.破壳而出，孵出excitedly adv.(manner)激动地，兴奋地easily adv.(manner)容易地push v.推，推动out of prep.外enormous adj.巨大的，极大wing n.翅膀，翼in a moment adv.(time)片刻，瞬间show n.演出be over v.+adv.particle(

4、intransitive)结束Lesson 33Lesson 33nestTherere three colorful eggs in this nest.the Bird Nest in BeijingLesson 33Lesson 33engineer,endengineer,endiniini Lesson 33Lesson 33birdwatcherLesson 33Lesson 33appear-disappear消失eg.Youappearunhappy.Three little eggs appeared in Three little eggs appeared in the

5、nest.the nest.Lesson 33Lesson 33 enthusiastic in,ju:zistik enthusiastically adv.热情地be enthusiastic tobe enthusiastic to对对热热情情的的eg.People are enthusiastic eg.People are enthusiastic to Spring Festival.to Spring Festival.Hes an enthusiastic Hes an enthusiastic birdwatcher.birdwatcher.Everyone watched

6、enthusiastically.Lesson 33Lesson 33webcameg.She installed a webcam.Lesson 33Lesson 33install eg.The workers are installinginstalling an air-conditioner.(空调)Lesson 33Lesson 33 log on Lesson 33Lesson 33eggLesson 33Lesson 33inviteinvite sb.to do sth.邀请某人做某事eg.We invited all the friends to go to the bir

7、thday party.Ken installed a webcam,and invited his neighbours to log on.invitation n.邀请Lesson 33Lesson 33hatchLesson 31Lesson 31patientlypatient n.病人easilyeasy adj.容易的suddenlysudden adj.突然的excitedlyexcited adj.（使人）兴奋的exciting adj.（令人）兴奋的Lesson 33enormouseg.She stood alone on the enormous stage.近义词bi

8、g 大的huge 巨大的large 大的反义词small 小的 tiny 极小的Lesson 33Lesson 33wingLesson 33Lesson 33showLesson 33Listen to the recording,and then answer this question:Who are all enthusiastic birdwatchers now?Lesson 331.A cuckoo in the nest.在此处指这个故事，但也是一个习语，指一个人不属于某地或者不受欢迎，却偏偏利用这个地方。2.Pauls father,Ken Bruce is an engin

9、eer.Hes also an enthusiastic birdwatcher.3.Then,another bird arrived.In two seconds,there was a fourth egg beside the other three.4.The little birds hurried to get food for the baby cuckoo.hurry 的过去式是hurriedget+名词/代词=obtain5.The baby cuckoo picked up the other eggs easily with its back,and pushed th

10、em out of the nest.with=by means of 用6.The show was over.over=at an end/finished 结束 Lesson 34Lesson 34New Words and Expressions:New Words and Expressions:robber n.盗贼 count v.数 quickly adv.(manner)迅速地 dance n.社交舞会 politely adv.(manner)有礼貌地 police n.警方、警察 carefully adv.(manner)小心地 quietly adv.(manner)

11、安静地badly adv.(manner)不好地，差地weight n.重物knock v.敲击loudly adv.(manner)大声地piano n.钢琴the whole (+sinular n.)quantifier所有的between prep.在之间Lesson 34Lesson 34quicklyquickpolitelypolitepatientlypatientquietlyquietbadlybadexcitedlyexcitedloudlyloudcarefullycarefuleasilyeasyLesson 34Lesson 341.quietly1.quietly

12、反义词noisily 喧闹地 2.badly2.badly反义词well 很好地3.3.弹钢琴弹钢琴 play the piano play the piano 踢足球踢足球 play footballplay football4.the whole 4.the whole 后面跟单数后面跟单数5.5.between between：两者之间：两者之间 among among：三者及以上：三者及以上 between A and B.between A and B.6.pick up some weights at the gym7.knock on the doorPattern Practi

13、cePattern Practice1.A:What did the robbers do late last night?B:They counted the money.Pattern PracticePattern Practice2.A:Who counted the money late last night?B:The robbers did.Pattern PracticePattern Practice3.A:Did the robbers count the money late last night?B:Yes,they did.They counted the money

14、 quickly.Pattern PracticePattern Practice4.(Not with picture 505)A:When did the robbers count the money?B:Late last night.A:And did they count the money quickly?B:Yes,they did.Pattern PracticePattern Practice5.A:The robbers counted the money late last night.B:Yes,I know.They counted the money quickly.Lesson 34Lesson 34HomeworkHomework做测试卷