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Unit 13 We’re trying to save the earth.
第六课时（教学设计）
教学目标 1.语言能力：复习并巩固本单元所学词汇。能够掌握后缀构词法。
2.文化意识：了解环境问题的现状，起因以及解决方法，激发学生强
烈的社会责任感和对未来发展的思考。
3.思维品质： 通过运用正在进行时、现在完成时和被动语态等描述污
染、环境保护和循环再利用，来培养学生爱护环境和保护动物的意
识。
4.学习能力：能结合本单元的环境问题和环保措施，完成写作任务。
能够识别句子结构，熟练掌握现在进行时、现在完成时、
被动语态、情态动词和used to的用法。
教学重点与难点 重点：
1. 能够完成有关环保主题的书面表达。
2. 能够掌握派生词的用法和构词规律。
3. 能够识别句子结构，熟练掌握现在进行时，现在完成时，被动语
态，情态动词和used to的用法。
难点：学生能结合本单元的环境问题和环保措施，完成写作任务。
教学准备 教具准备: ppt，教材，
教学过程 老师活动 学生活动 设计意图
1. First , show Ss a video Enjoy the 1.观看视频，从实际问
and ask them to talk about video and talk 题引入话题，帮助学生
what kinds of environmental about the 打开思维，激发学习热
problems they know. environmental 情。
problems they
①different kinds of 2.讨论不同环境问题，
know.
pollution 了解环境问题起因。
air pollution
waste pollution
water pollution
noise pollution
light pollution
Lead in land pollution
(4minutes)
②waste of energy
Forget to turn off the
tap,the shower or the light
and waste paper.
③break the balance of
ecosystemcut down trees
kill animals
Ask Ss to talk about things Talk about 要求从不同角度讨论他
they can do to save the things they 们可以为解决环境问题
earth. can do to save 所做的努力，增强学生
the earth. 的环保意识。
1.Ways to let people know
Hand out notices
make videos
post articles on the Internet
make speeches
2.Ways to cut down
pollution
take the bus, ride a bike or
walk instead of driving a
car
Pre-writing
stop factories from putting
(10minutes)
waste into the river and
burning coals
use reusable bags instead of
plastic bags
Don’t take wooden
chopsticks or plastic forks
sort garbage
3.Ways to save energy
turn off the tap,the shower
or the light and waste
paper when not using
Don’t use paper napkins .
Recycle things that we
don’t use anymore.
4.Ways to keep the balance
of ecosystem
Plant more trees
save animals
stop ocean plastic pollution
1.Write a letter to the city 1.Ask Ss to 分析写信的结构，明确
mayor about the problems analyse the 每一部分要写的重点内
and your suggestions. structure of the 容。让学生有话可写，
While-writing
In your letter, describe the letter. 有章可循。
(15minutes)
environmental problems in
2.List 让学生在规定时间内完
your town/city.
environmental 成写作，锻炼学生在限
①What are the problems? problems, 定时间内构思和完成写
causes and② Where are they? solutions. 作的能力。
③What or who is causing 3.Analyse the 给一篇范文让学生参考
these problems? sample version. 其结构和内容，对比自
Then, give suggestions or 己文章，思考可以如何
4.Write a
possible ways to solve the 改进。
passage to talk
problems.
about
environmental
problems,
causes and
solutions.
2. Ask Ss to talk about the
structure of the letter.
3. Ask Ss to list
environmental problems,
causes and solutions.
Post-writing Share their writing and talk Share their 给学生一个评价标准让
about their passages passages and 学生互评文章，找出不
(6 minutes)
according to the assessments give advice to 足，讨论如何改进。学
their group 生能按照评价标准积极on the right. members. 讨论文章的亮点和不
足，共同进步。培养学
生提取概括一级整合运
用的能力。
Finish the tasks in Self Finish the 通过练习复习前缀、后
Check and check the tasks in Self 缀的构成。
answers. Check and
复习本单元的重点语法
Self Check check the
以及重点话题。
answers.
(5 minutes)
Exercise Finish the tasks on PPT. Check how 学生能正确地完成定语
much they 从句的练习。在语境中
(3minutes)
have learned. 理解、识记并运用本单
元单词、短语，独立完
成相关习题。
Summary Summarize the structure of Summarize the 通过总结，培养学生提
writing. structure. 取概括以及整合运用的
(2minutes)
能力。Homework Polish their writing according to their group members’ advice.
板书设计
Unit 9 I like music that I can dance to.
Section B (3a-Self Check)
