Section B第4課時(2a~2e)類別學習重點重點單詞bamboo,research,keeper,awake,excitement,illness,wild,government重點短語die from,cut down,walk into,fall over,or so,run over,take care of重點句式1.They find that most of the babies are already awake and hungry.2.The babies often die from illnesses and do not live very long.3.Scientists say there are now fewer than 2,000 pandas living in the forests.課前預習寫一寫1.竹子bamboo2.研究;調(diào)查research3.飼養(yǎng)員;保管人keeper4.醒著awake5.激動;興奮excitement6.疾病;病illness7.野生的wild8.政府;內(nèi)閣government譯一譯1.因……而死亡,死于die from2.砍伐cut down3.走路時撞著walk into4.絆倒fall over5.大約or so6.跑上前去run over7.照顧take care of背一背1.他們發(fā)現(xiàn)絕大多數(shù)熊貓寶寶都已經(jīng)醒了,也餓了。They find that most of the babies are already awake and hungry.2.熊貓寶寶常常死于疾病,而且不會活很久。The babies often die from illnesses and do not live very long.3.科學家們說現(xiàn)在生活在森林里的熊貓不到2000只。Scientists say there are now fewer than 2,000 pandas living in the forests.新課導入(Teacher show some pictures of pandas to the students)Teacher:Do you know what they are? Yes, they are pandas. They are very lovely.Many people like them very much. Do you like them? There are only less than two thousand pandas in China. We should play a part in saving the animals. Do you want to know what the difficulties are? And how do people protect the animals? If you want to know the answers, let’s read the article on Page 54.新課展示新課展示【完成教材2a~2b的任務】1.利用方框中的單詞兩人一組互相談論熊貓的情況,完成后請幾位學生來展示談論的成果。2.通讀2b中的短文,找出10,1200和2000所代表的含義,請幾位學生展示答案,教師點撥。3.再次細心閱讀短文,理解每一句話的意思,小組解決遇到的疑難問題。4.教師點撥短文中出現(xiàn)的重點和難點。5.熟讀短文,識記并背誦知識要點。【完成教材2c~2e的教學任務】1.請幾個同學回答2c中的問題。2.學生閱讀2b中的短文,檢查2c中的問題的答案。3.認真閱讀課文,用短文中的單詞或短語來補全句子,并大聲朗讀句子。4.熊貓是我國的國寶,我們每一個人都應該去保護它們。把你的想法和建議寫出來,然后小組內(nèi)交流討論。【語法提要】1.run over此句中run over,walk into和fall over均為動詞短語。(1)run over意為“跑上前去;跑過去”,其中over用作副詞,意為“從……的一邊到另一邊;穿越”。例句:She ran over to say hello,but I didn’t recognize her.她跑過來打招呼,但我沒有認出她來。(2)walk into意為“(走路時意外地)撞上”。例句:As he was thinking too deeply and not paying attention to where he was going,he walked straight into a tree.由于他陷入沉思,沒有注意看路,所以徑直撞到了一棵樹上。(3)fall over表示“摔倒;跌跤;倒下”。例句:Don’t run too fast,or you might fall over.別跑太快,要不你會摔跤的。Many trees fell over after the storm.暴風雨后許多樹木都倒了。fall over sth.則表示“被某物絆倒”。例句:Tina fell over the dog and broke her arm.蒂娜被那只狗絆了一跤,摔斷了胳膊。2.fewerfewer是few的比較級,意為“較少的;更少的”,后接可數(shù)名詞的復數(shù)形式。注意要將其與less的用法區(qū)分開來,less也表示“較少的;更少的”,但它是little的比較級,其后接不可數(shù)名詞。例句:Few people have read the book,and even fewer understand it.很少有人看過這本書,看懂的人就更少了。3.die fromdie from是動詞詞組,意為“死于……,因……而死。”。例句:In big cities during cold winter months,many old people die from the polluted air.在寒冷的冬季,許多住在大城市的老年人死于空氣污染。Many villagers die every year from snake bites.每年都有許多村民被蛇咬而死亡。die from與die of①相同點:二者都可表示“死于……”,其賓語為表示死亡的原因。當表示因疾病死亡時,二者可互換使用。例句:His grandfather died from/of cancer in 1999.他的爺爺于1999年死于癌癥。②具體區(qū)別如下:die from意為“死于……,因……而死”,其賓語表示死亡的原因。具體使用時常用于由于外部創(chuàng)傷或間接的原因致死,如由于衰弱、飲食過度、勞累或不明原因致死。die from an earthquake (a traffic accident,a lightning,etc.)死于地震(交通事故、雷擊等)。例句:She died from a traffic accident.她死于一場交通事故。die of意為“死于……,因……而死”,其賓語表示死亡的原因。具體使用時一般用于疾病、疲勞、寒冷、饑渴、年老、失望、悲傷等人體自身原因造成的死亡。die of illness (fear,disappointment,old age,etc.)死于疾病(恐懼、失望、年老等)。例句:He died of sorrow.他死于憂傷。【問題探究】根據(jù)漢語意思完成句子。1.你越仔細,就會越少犯錯。More(much) careful you are,fewer(few) mistakes you will make.2.昨天他下樓梯時摔到了。He fellover while coming down the stairs yesterday.3.我的爺爺死于心臟病。My grandfather diedfrom/of heart attack. 活學活練練根據(jù)漢語意思完成句子。1.邁克走路時不看路,撞到了墻上。Mike wasn’t looking and walkedinto the wall.2.雖然他有更多的錢,但是他朋友更少了,陪家人的時間更少了。Although he has more money,he has fewer friends and less time with his family.3.他上周去世了,死于疾病。He passed away last week, died of illness.布置作業(yè):教師引導學生課后完成本課時對應練習,并預習下一課時內(nèi)容。教學反思本課時以學生熟悉的動物開始,讓學生有話可說。由此引入短文學習,也激發(fā)了學生的學習興趣,在加深學生對這種動物的了解的基礎上也強化了對知識點的鞏固。教學過程中老師的疑問:教師點評和總結:教學說明:以熊貓數(shù)量減少以及飼養(yǎng)過程中出現(xiàn)的難題為導入點,抓住學生想探尋原因的心理,引起學生的好奇心,激發(fā)他們的學習欲望。教學說明:將聽、說、讀、寫的任務結合起來可鍛煉學生的語言綜合運用能力和口頭表達能力。教學說明:通過2d環(huán)節(jié)讓學生對文章有了更深刻的理解;2e環(huán)節(jié)使學生知道了要愛護環(huán)境、愛護動物。