
Learning Aims
1. T get infrmatin abut the migratin f mnarch butterfly; 2. T further develp reading and critical thinking abilities; 3. T raise awareness f prtecting animals and envirnment.
本節(jié)課是閱讀訓(xùn)練課。文章以科學(xué)家的觀察和研究為依據(jù)介紹了黑脈金斑蝶的遷徙的背景、目的和方式。本文按照介紹動(dòng)物遷徙行為,引出黑脈金斑蝶的遷徙,描述了黑脈金斑蝶的困境和產(chǎn)生的原因,最后提出要保護(hù)黑脈金斑蝶。文章分了五個(gè)段落,整體脈絡(luò)清晰。本節(jié)課的設(shè)計(jì)思路也是按照這一邏輯順序。學(xué)生通過閱讀課文,了解動(dòng)物遷徙,進(jìn)而了解黑脈金斑蝶遷徙,了解人類行為對(duì)其生存的影響,進(jìn)而加強(qiáng)學(xué)生保護(hù)環(huán)境的意識(shí)。在教學(xué)過程中采用任務(wù)型教學(xué)法和小組合作探究的方法,力求擴(kuò)大課堂的語料輸入量及學(xué)生的語言輸出量。
①Hw t grasp the main idea and detailed infrmatin quickly and crrectly;②Understand the details f the migratin f mnarch butterfly;③Discuss and intrduce mnarch butterfly exhibitin.
Scanning Match the main ideas
Para. 2--3
Measures t prtect mnarch butterfly
Mnarch butterfly's truble &causes
Infrmatin abut migratin
Mnach butterfly's migratin
T seek a partner
In search f warmer weather
Nrth American mnarch butterfly
Para. 1 Infrmatin abut migratin
Travel arund 4,000 km suth
Find the way t Califrnia r Mexic
Para. 2 Mnarch butterfly's migratin
Every autumn
Hw d they make it ?
Tell the time f day
Measure the psitn f the sun
Para. 3 Mnarch butterfly's migratin
Determine the way & reach the places
Use chemicals
Its ppulatin has crashed by 90%.
Para. 4 Mnarch butterfly’s truble & causes
Human activities
Destry the natural envirnment
Cut dwn trees
Recrd its migratin.
Para. 5 Measures t prtect mnarch butterfly
Ensure enugh fd
The mre... the greater...
Mnarch Butterfly Exhibitin
Surf the Internet fr mre infrmatin abut ther animals’ migratin and intrduce them in the next perid.
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