新概念英語(yǔ)青少版-2B全單元課件-unit-17(共37張)

1、新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè)) 布谷鳥準(zhǔn)備產(chǎn)蛋了，但它卻不會(huì)自己筑巢,它會(huì)來(lái)到像那些比它小的鳥類的巢中，移走原來(lái)的那窩蛋中的一個(gè)，用自己的蛋來(lái)取而代之。相對(duì)于它的體形來(lái)說(shuō)，它的蛋是偏小的，而且蛋上的斑紋同它混入的其他鳥的蛋也非常相似，所以不易被分辨出來(lái)。如果不是這樣，它的蛋肯定會(huì)被扔出去。 布谷鳥的鳥蛋比其他鳥蛋早孵化。幼鳥出來(lái)后，會(huì)立刻把其他的蛋扔出巢外。它之所以這樣做， 是因?yàn)樗痪镁蜁?huì)長(zhǎng)得很大，需要吃光養(yǎng)母所能找到的全部食物。 一只布谷鳥的幼鳥正在由它的養(yǎng)母-一只比它小得多的刺嘴鶯喂食。它需要的食物

2、相當(dāng)于3-4只其養(yǎng)母親生的幼鳥本來(lái)需要進(jìn)食的總量。 趁其他鳥沒(méi)看見(jiàn)時(shí)，布谷鳥在它們的巢中產(chǎn)蛋。它必須非常迅速地做完這件事。它的蛋有著特別厚的外殼，這樣在落入巢中時(shí)就不會(huì)碎掉了。 動(dòng)物界的十大壞媽媽:布谷鳥 布谷鳥準(zhǔn)備產(chǎn)蛋了，但它卻不會(huì)自己筑巢,它會(huì)來(lái)到像那些Listen to the recording, and then answer this question: Who are all enthusiastic birdwatchers now?聽錄音，然后回答問(wèn)題：現(xiàn)在誰(shuí)是觀鳥愛(ài)好者？Listen to the recording, and tengineern.工程師enthusias

3、ticadj.很感興趣的 熱情的birdwatcher n.觀鳥者also adv.也also用于be動(dòng)詞之后engineerenthusiasticbirdwatcheTry to translate保羅的爸爸，肯布魯斯是一名工程師，他也是觀鳥愛(ài)好者。Try to translate保羅的爸爸，肯布魯斯是一名新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))Last spring,two little birds appeared in his garden.appear v.出現(xiàn)disappear v.消失Ken installed a webcam, and invited h

4、is neighbours to log on.時(shí)態(tài)？去年春天，花園里來(lái)了兩只小鳥。install v.安裝webcam n.網(wǎng)絡(luò)攝像機(jī)invite v.邀請(qǐng)invite sb. to do sth.邀請(qǐng)某人做某事I invited him to come to my party!log on 登陸肯安了一臺(tái)網(wǎng)絡(luò)攝像機(jī)，并讓鄰居上網(wǎng)觀看。Last spring,two little birds aEveryone watched enthusiastically.enthusiastically adv.很感興趣地Soon, there was a little nest.Then,anoth

5、er bird arrived.It was a cuckoo.大家都很感興趣。another 另一個(gè)，又一個(gè)；后跟單數(shù)名詞We are going to have another baby .我們又要有一個(gè)孩子。Would you like another apple?你想再來(lái)個(gè)蘋果嗎？不久，出現(xiàn)了一個(gè)小鳥窩，然后又來(lái)了一只鳥，一只布谷鳥。adv.(副詞)副詞是一種用來(lái)修飾動(dòng)詞,形容詞,全句的詞,說(shuō)明時(shí)間,地點(diǎn),程度,方式等概念；多數(shù)副詞都可以放在動(dòng)詞的后面，而且英語(yǔ)中大部分副詞都是-ly結(jié)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 布谷鳥耐心地觀察著。之后鳥窩里出現(xiàn)了3個(gè)小鳥蛋。The cuckoo watched patiently.T新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))The cuckoo waited.Suddenly, she had her chance.The mother wasnt there.suddenly adv.突然地布谷鳥等待著，突然，她的機(jī)會(huì)來(lái)了。鳥媽媽不在窩里。chance n.機(jī)會(huì)have

7、a chance有機(jī)會(huì)The cuckoo waited.Suddenly, shThe cuckoo darted to the nest.In two seconds,there was a fourth egg beside the other three.fourth adj.第四的布谷鳥沖向鳥窩。兩秒鐘后，3個(gè)蛋旁邊多了一個(gè)蛋。dart v.急沖dart to沖向The cuckoo darted to the nest.新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))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，小布谷鳥孵出來(lái)了，小鳥急忙給它找食。hatch v.破殼而出，孵出get food 獲取食物After twelve days,the young cu新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))Kens neighbours watched excitedly.肯的鄰居們很激動(dòng)地觀察著。excited adj.激動(dòng)的，興奮的excitedly adv.激動(dòng)地，興奮地The baby cuckoo picked up the oth

9、er eggs easily with its back,and pushed them out of the nest.小布谷鳥用后背輕易地抬起另外3個(gè)蛋，把它們推出了鳥窩。easy adj.容易的easily adv.容易地push v.推out of prep.外out of the park在公園外Kens neighbours watched excitThe birds returned and pushed food into its mouth.小鳥回來(lái)了，把食物塞進(jìn)了小布谷鳥的嘴里。return v.返回After twenty days, the cuckoo was en

10、ormous!20天后，小布谷鳥長(zhǎng)得非常大了！enormous adj.巨大的，極大的The birds returned and pushed On 6th May, it opened its wings.wing n.翅膀5月6號(hào)，它展開翅膀。In a moment, the nest was empty. The show was over.一會(huì)兒，鳥窩空了。表演結(jié)束了。On 6th May, it opened its wing新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))Try to translate當(dāng)然，現(xiàn)在肯的鄰居都成了觀鳥愛(ài)好者了！Try to transla

11、te當(dāng)然，現(xiàn)在肯的鄰居都成了觀鳥新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))我們?cè)谝?t/或者/d/結(jié)尾的規(guī)則變化動(dòng)詞后面加-(e)d構(gòu)成過(guò)去式時(shí)，其詞尾作為一個(gè)附加的音節(jié)讀作/id/新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英語(yǔ)青少版_2B全單元課件_unit_17(共37頁(yè))新概念英