高中英语人教版 (2019)必修 第二册Unit 3 The internet教案

这是一份高中英语人教版 (2019)必修 第二册Unit 3 The internet教案，共5页。教案主要包含了设计意图等内容，欢迎下载使用。
主题语境：人与社会
主题群：科学与技术
子主题：科技发展与信息技术创新
语篇类型：多模态语篇：视频、文字、习题。
文本分析：
本节课分两部分，第一部分为Vide Time，主要介绍关于社交媒体与青少年健康的研究。第二部分为 Assessing Yur Prgress，以练习为主，主要练习单词正确词性和正确形式，最后对本单元进行总的反思和评价。
课时目标
1. 通过观看视频，了解社交媒体对青少年健康的影响。
2. 讨论社交媒体的优缺点以及自己如何控制社交媒体的使用。
3. 在语境中复习本单元的重点词汇、短语和语法项目。
重点难点
重点：
1. 本单元重点词汇、短语和语法的恰当使用。
2. 观看视频，了解社交媒体对青少年健康的影响。
难点：
正确认识社交媒体的优缺点并提出合理控制社交媒体的方法。
教学准备
教师准备：
一段关于社交媒体对青少年健康影响的视频和播放设备。
学生准备：
1. 复习现在完成时被动语态的用法和本单元的重点词汇。
2. 资料收集，了解社交媒体的优点缺点和控制社交媒体使用的方法。
教学过程
Vide Time
Step I 学习理解
活动一：获取与梳理（Read n the Internet)
Prvide students sme materials abut the benefits and dangers f using scial media.
【设计意图】通过阅读了解社交媒体使用的优点和缺点，一方面有助于了解文化知识，拓宽学生知识面；另一方面提高学生的阅读能力，让学生对社交媒体有一个比较全面的认识。
活动二：Cmpleting (SB, P36, Part 1)
1. Befre watching the vide, g thrugh the three sentences with students and make sure they understand the meanings.
2. Ask students t lk at the expressins in the bx, and try t cmplete them in the right blanks.
活动三：Chise(SB, P36, Part 2)
1. G thrugh the questins and make sure students understand their meanings.
2. Play the vide fr students t watch and get the answers.
3. If necessary, play it again fr students t check their answers.
【设计意图】活动三通过选择和填空练习，让学生获取有关社交媒体对青少年健康影响的相关信息。
Step II 实践应用
活动四：网络阅读
阅读两篇文章：
“Hw T Help Yur Daughter Take Back Cntrl Of Her Scial Media”
“Hw Internet Affects Peple’s Quality f Life Physically and Psychlgically”
【设计意图】通过阅读有助于学生形成自己的观点，为开展口语活动奠定基础。
Step II 迁移创新
活动五：Discussin (SB, P36, Part 3)
First g thrugh the questins and then ask students t wrk in grups. Discuss the questins.
1. What are sme f benefits and dangers f scial media use?
2. What steps can yu take t cntrl yur scial media use?
【设计意图】在观看视频后，通过讨论社交媒体使用的优点和危险，让学生提出自己控制社交媒体使用的方法，有助于青少年健康成长。
活动六：词汇复习（Cmplete) ( SB，P3 4，Part 1)
1. G thrugh the wrds in the bx and make sure students understand their meanings.
2. Ask students t fill in the blanks belw with the crrect frms f the wrds in the bx.
Suggested answers：
1. I have a blg abut envirnmental issues in my city.
I ften blg abut hw my classmates and I help t clean up the envirnment in my city.
2. Grandma and I had a nice chat abut the Internet just nw.
Grandma and I ften chat abut the Internet.
3. Visit ur site tday! We’re just aclick away!
Visit ur site tday! Just clickn this link.
4. He made a psitivecmment n the design f ur schl website, s I think he really liked it!
He cmmented psitively n the design f ur schl website,s I think he really liked it!
5. This case has tw functins. It’s my wallet and my mbile phne case.
This functins bth as my wallet and as my mbile phne case.
6. Peple wh behave flishly nline ften becme target f cyberbullies.
Cyberbullies ften target peple wh behave flishly nline.
【设计意图】该活动旨在具体语境中练习词汇，促进词汇的使用。
活动七：语法再现(Read and cmplete) (SB，P34，Part 2)
1. Ask students t read the passage and understand its meaning. If necessary, help students understand any difficult sentence they may think.
2. Ask students t read again, and try t cmplete the text 'with the crrect frms f the wrds in brackets.
3. Share the answers first in pairs r grups, and then with the whle class.
Suggested answers：
The wrld has been turned upside dwn (turn upside dwn) since the inventin f the Internet and the intrductin f persnal cmputers int nearly every hme. The twin inventins f the persnal cmputer and the Internet have been cnsidered (cnsider) t be amng the tw mst imprtant events f the last century. Shpping has been cmpletely changed (cmpletely change). Rather than ging ut t stres weekly r even daily, mre and mre peple rder things frm clthes t tys t fds nline and have them delivered directly t their hmes. Scial cmmunicatin has been taken ver (take ver) by the Internet. In the past, letters, phne calls, and face-t-face meetings were necessary t build up relatinships, but nw nline cmmunicatin is ften the nly scial interactin that sme peple have all day! Games, music, mvies and s n have been heavily influenced (heavily influence) by the Internet. New kinds f crimes are happening n the Internet, t, s cyber security has t be cnstantly updated.
【设计意图】本语篇谈论互联网对人们生活的影响，让学生在语境中复习和运用语法项目，提高语法使用的实践性和应用性。
活动八：单元反思（Reflecting) ( SB, P3 4, Part 3 )
1. G thrugh the tasks with students and make sure they knw what t d.
2. Let students d it by themselves.
3. Ask students t wrk in grups and share what they write. The answers may vary frm ne student t anther.
板书设计
Unit 3 The Internet
Perid VI Vide Time & Assessing Yur Prgress
Vide Time
I. 学习理解
活动一：获取与梳理（Read n the Internet)
活动二：Cmpleting
活动三：Chice
II. 实践应用
活动四：网络阅读
III. 迁移创新
活动五：Discussin
Assessing Yur Prgress
活动六：词汇复习（Cmplete)
活动七：语法再现（Read and cmplete)
活动八：单元反思（Reflecting)