英语必修 第一册Unit 5 Into the wild教学演示ppt课件

这是一份英语必修 第一册Unit 5 Into the wild教学演示ppt课件，共14页。PPT课件主要包含了Para 1 ，Para 4 ，Para5 ，Definition，Reasons，Time ，Journey，Trouble，Causes，Measures等内容，欢迎下载使用。
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.
本节课是阅读训练课。文章以科学家的观察和研究为依据介绍了黑脉金斑蝶的迁徙的背景、目的和方式。本文按照介绍动物迁徙行为，引出黑脉金斑蝶的迁徙，描述了黑脉金斑蝶的困境和产生的原因，最后提出要保护黑脉金斑蝶。文章分了五个段落，整体脉络清晰。本节课的设计思路也是按照这一逻辑顺序。学生通过阅读课文，了解动物迁徙，进而了解黑脉金斑蝶迁徙，了解人类行为对其生存的影响，进而加强学生保护环境的意识。在教学过程中采用任务型教学法和小组合作探究的方法，力求扩大课堂的语料输入量及学生的语言输出量。
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.