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Unit 13 We’re trying to save the earth.
第一课时（教学设计）
教学目标 1.语言能力：在语境中理解、识记并运用本课时词汇： litter ,ugly,at the
bottom of the river ,be full of the rubbish, throw litter into the river,play a part
in 等。
2.文化意识：能够用与污染相关的词汇，对环境污染和环境保护进行简单
描述。
3.思维品质：通过听力活动练习，能精准提取关键信息，锻炼思维的逻辑
性。
能在实际情景对话中认识解决空气污染和垃圾污染的方法。
4.学习能力：能听懂关于环境污染的英文表达，独立完成听力任务。
能运用本单元词汇和句式谈论环境污染和环境保护的话
题。
教学重点与难 1.能听懂关于环境污染的英文表达，独立完成听力任务。
点
2.能在实际情景对话中认识解决空气污染和垃圾污染的方法。
教学准备 教具准备: ppt，教材，听力材料
教学过程 老师活动 学生活动 设计意图
Lead-in 1. Lead in 1.Watch the 1.先让学生观看一些美
(3minutes)
Show Ss some pictures and
picture and talk
丽的风景图片，然后谈
about their
ask them whether they like 论他们是否喜欢这些地
feelings.
these beautiful places. 方，为引出话题做铺
2. Watch a
2.Show Ss a video and talk 垫。
video and talk
about what kind of pollution 2.视频导入让学生观看
about what
they know. 一则环境污染的视频，
kind of
感知环境污染的严重和
pollution they
后果，并让学生谈论环
know.
境污染的问题。
1. Work on 1a.Here are some 1.Write the 1. 听前预测，让学生把
words related to different kinds answers in the 污染归类，让学生了解
Pre-
of pollution. Write them in the box and add 污染的基本分类。
listening
box below. Then add more more words . 2. 谈论引起污染的原
(7minutes) words. 2.Talk about 因，学习目标词汇。
what caused
these problems.2. Ss will be asked to talk
about what caused these
problems.
Listen to 1b
1b Listen and complete the Listen to 1b 根据听力内容填表，让
sentences. and fill in the 学生感知关于环境污染
chart. 的重要词汇。
1c.Role-play the conversation. Work in groups 让学生根据1b听力内容
Then make your own and talk about 练习对话，谈论污染的
conversations about the kinds pollution from 种类,引起的原因以及解
of pollution in 1a. the following 决办法。
aspects---
problem,cause
and solution.
Listen to 2a and 2b
1. 2a. Listen to the interview. Listen and 让学生根据听到的信息
While-
Circle the kinds of pollution finish the tasks 圈出话题中谈论的污染
listening that Jason and Susan talk about. in 2a and 2b. 的种类。
(20 A. land pollution 让学生根据听力内容完
minutes) B. air pollution 成细节填空，考察及锻
C. noise pollution 炼学生听取细节信息的D. water pollution 能力。
2. 2b.Listen again and complete
the sentences.
1. The air is badly polluted
because there are __________
on the road these days.
2. Factories that burn coal also
_______ the air with a lot of
black smoke.
3. There is also too much rubbish
and waste. People
_________________ things
every day.
4. People are also littering in
____________ like parks. This
is turning beautiful places into
ugly ones.
2c. Use the information in 2a 1.Make 让学生用听力材料的内
and 2b to role-play conversations 容练习对话，谈论环境
conversations between Jason by using the 污染的话题。
and Susan. information in
Jason: The air has become 2a and 2b.
really polluted around here. I’m 2.Act out their
getting very worried. conversations.
Susan: Yes, I used to be able to
see stars in the sky.
Jason: The problem is that ...
1. Read the conversation in 2d 1.Read the 1. 让学生读对话填表，
and fill in the chart. conversation in 让学生找出对话中提到
2. Retell the conversation by 2d and fill in 的空气污染和垃圾污染
filling the blanks. the chart. 的对策，在情景对话中
3.Role-play the conversation 2.Retell the 感知环保的方法。
with their partners. conversation 2. 复述对话让学生填by filling the 空，让学生感知对话中
blanks. 重要知识点。
3.Role-play the 3. 让学生表演对话并在
conversation 班级同学前演示，让学
with their 生注意对话中的语音语
partners. 调。
Language Explain language points in Get to the 分析本段对话中的重点
this conversation. important 只是，学会正确使用本
points
language 堂课的目标语言。
(5 minutes)
points in this
class.
Ask Ss to watch a video Work in 听后拓展思考怎样才能
Post-
and think about how they groups and 过上绿色生活，引导学
listening
can live a green life and think about 生从自我层面以及社会
(7 minutes)
save the earth.After that, how they can 层面去思考问题以及解
share their opinions in live a green 决的方式。讨论之后，
groups with their classmates. life and save 小组分享，锻炼学生的
the earth.After 思维能力以及表达能
that, share 力。
their opinions
in groups with
their
classmates.
Exercises Ask Ss to finish the Finish the 及时练习，检测学生本
(3 minutes)
exercises on ppt. exercises on 堂课知识掌握情况。利
ppt. 用区位活动模式提升学
生参与兴趣。
Homework Turn waste into treasure.变废为宝
Use some waste to make a useful thing and show the work in the next
class.
板书设计Unit 13 We’re trying to save the earth !
Period 1(1a-2c)
noise throw litter into the river wooden chopsticks
air pollution put … into …. plastic bowls / bags
water the bottom of the river burn coal
be full of rubbish the air with a lot of black smoke
no more fish close down .
fisherman throw away
litter in public places
turn the beautiful places into ugly
ones .
