高中英语人教版 (2019)必修 第一册Unit 4 Natural disasters教案

这是一份高中英语人教版 (2019)必修 第一册Unit 4 Natural disasters教案，共6页。
主题语境：人与自然——灾害防范主题群下自然灾害与防范：地震。
语篇类型：说明文
文本分析：
[What]The Night That the Earth Didn t Sleep 是一篇说明文，介绍了1976年唐山大地震的震前、震中、震后现象及重建后唐山城的现在面貌。
[Why]通过详细的记述地震的前兆、震中的现象地震导致的破坏及震后重建等，让学生认识到地震所产生的灾害，增强自我防范意识、安全常识和自我保护意识。
[Hw]本文是一篇说明文，按时间先后顺序展开，采用举例子、列数字、打比方的说明方法详细地描述了唐山地震前兆、地震过程、震后重建，文章层次清晰、结构合理。
课时目标
1.获取、梳理和整合课文中的主要信息。
2.从地震的前兆、地震过程、震后灾害和重建等方面
描述一次地震。
3.学习理解地震的相关词汇。
重点难点
重点：
学生通过阅读，获取地震的主要信息。
难点：
用恰当的语言描述一次地震。
教学准备
教师准备：
1.了解唐山地震的相关信息。
2.下载并剪辑电影《唐山大地震》局部场景。
学生准备：
1.预习本课的相关词汇。
2课外阅读唐山大地震相关信息，包括前兆、发生过程、造成损害、后期救援及与地震相关的一些人的描述等。
教学过程
Step I学习理解
活动一：Brainstrm
Ask students what they knw abut the Tangshan earthquake，such as：
What time did it happen？
Hw lng did it last？
Hw many peple were killed in the earthquake?
Hw many peple were injured?
Play the vide fr student t watch.
After watching，ask:
What d yu think f the earthquake？
【设计意图】播放该电影中关于唐山大地震的片断，吸引学生的注意力，调动学生阅读的兴趣和求知欲，熟悉地震这一话题。
活动二：获取、梳理信息（Read fr general understanding)
Ask students t read the text fr the first time，and try t get the infrmatin in the table.
Share the answers.
Suggested answers:
1. Fr several days 2. rse and fell 3. cracks 4. sme smelly gas 5. ran ut f 6. jumped ut f 7. Bright lights 8. lud nises 9. At 3: 42 a m. 10. shake 11. A huge crack 12. rivers f dirt 13.were gne 14.400,000 15. Anther 16. fell dwn 17. The army 18. survivrs
【设计意图】此活动是按照时间顺序设计的表格，其目的是让学生带着问题细读文章，加深对于文章的理解。有助于梳理地震的前兆、损坏和震后救援等细节信息，培养学生提取、筛选、组织语言的能力。在此过程中，注重学生学习的自主性和合作性。
活动三：概括信息（Get the main idea f each paragraph）
1.Read the text carefully and then write dwn the main idea f each paragraph.
Paragraph 1：Warning signs befre the earthquake
Paragraph 2:__________________________________
Paragraph 3:__________________________________
Paragraph 4:__________________________________
Paragraph 5:__________________________________
Share answers：ask students t check the answers first in grups and then discuss with whle class.
Suggested answers:
Paragraph 2：What happened in the earthquake.
Paragraph 3：The damage caused by the earthquake.
Paragraph 4：Rescue wrk after the earthquake.
Paragraph 5：The revival f new Tangshan.
【设计意图】学生重读课文，对课文内容信息按时间顺序重新梳理，使得课文内容层次清晰，这样就可以达到对信息的整合，总结文章大意是对文章信息进行概括，有利于学生建立信息关联，形成新的认识结构。
Step Ⅱ 应用实践
活动四：描述与阐释
1.Read the sentences describing what happened after a huge earthquake.
2.Cmplete the sentences with the crrect frms f the new wrds and phrases frm the text.
（1）The huge earthquake left nearly the whle city .
（2）Everyne was ,thinking the wrld must be cming t an end.
（3）Millins f peple were left withut water，fd,r .
（4）Sldiers and vlunteers wrked as hard as they culd t pull away and rcks，and rescue thse wh were under the ruins.
（5）Sme were fund alive，thugh they were suffering frm terrible injuries，but thers had already stpped when they were discvered.
（6）A few buildings were still standing，but peple were afraid t use them as shelters，wrrying they wuld be if the buildings fell.
Suggested answers:
in ruins（2）in shck（3）electricity（4）bricks; trapped（5）breathing（6）buried
【设计意图】在阅读之后，使用课文中的信息和所学的知识，选择使用适当的词汇去描述一次大地震之后的场景，学生可以对所学语言知识和文化知识内化，巩固新的知识结构，促进语盲运用的自动化，帮助学生将知识转化为能力。
Step Ⅲ 迁移创新
活动五：批判与评价
Read the text again and answer the questins.
1.What were sme f the strange things happening befre the earthquake？D yu think they were warning signs？Why r why nt？
2.What des the writer mean by"Slwly the city began t breathe again"？
3.What kind f help d yu think peple wh have suffered an earthquake need？
【设计意图】设计第一个问题，学生先重新闻读地震前的一些现象，然后通过推理和论证，得出那些现象是地震的前兆。设计第二个问题，学生通过推理、想象等思维活动，得出“城市开始呼吸”的真正内涵。设计第三个问题，旨在让学生能够深入主题语境，分析在地震中灾民需要什么样的帮助
活动六：想象与创造
Wrk in grups.Discuss the questins.
I.What d yu think helped in the revival f Tangshan city？
2.What ther cities r twns have gne thrugh similar changes？What lessns can we learn frm these events？
【设计意图】这两个问题都需要学生充分发挥自已的想象力、推理论证力和批判性思考的能力去挖掘语篇背后的价值，加深对主题意义的理解。通过推理和想象其他城市发生地震所经历的事情，进而使学生在新的语境中建构新的知识结构。通过讨论能从这次地震中吸取什么经验教训，体现学有所用，有助于提高学生自我防范意识。
板书设计
TIME
EVENTS
1
Water in the village wells 2 , well walls develped 3 and 4 came ut f the cracks, mice 5 the fields, and fish 6 the water.
At abut 3: 00 a.m.
n July 28, 1976
7 appeared in the sky, and 8 culd be heard althugh there were n planes.

9
Everything began t 10 . 11 appeared in the rads. Hard hills f rck turned int 12 . 75% buildings and 90% f hmes 13. Mre than 14 peple were killed r injured.
Afternn f July28,1976
15 quake shk Tangshan again. Even mre buildings16 .
Sn after
the quake
17 arrived, and shelters were built fr 18.
Unit 4 Natural Disasters
Perid Ⅱ Reading and Thinking
Step I学习理解
活动一：Brainstrm
活动二：获取、梳理信息（Read fr General Understanding）
活动三：概括信息（Get the main idea f each paragraph）
StepⅡ应用实践
活动四：描述与阐释
StepⅢ迁移创新
活动五：批判与评价
活动六：想象与创造