Unit 13 We’re trying to save the earth!
Section A 1a-2d 教学重难点
学情分析:
九年级学生对环境污染已经比较了解，概括能力和推理能力也有很大的提高，环境意识和社会责任感更加强烈。因此，学生对本课时的内容兴趣浓厚，参与积极。另一方面，由于学生的社会经验相对缺乏，对于怎样全方位解决环节污染问题，他们需要通过讨论活动，把语言学习和实际交流结合起来，从而形成相对完整和相对全面的认识。
一、教学目标：
1. 语言知识目标
重点词汇：litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic。
重点句型：We’re trying to save the earth!
graphical
The river ud to be so clean.
The air is badly polluted.
No scientific studies have showed that shark fins are good for health.
We should help save the sharks.
2. 技能目标: 学生能模仿听力原文，能运用听力材料中的知识，口头谈论噪音污染，空气污染，水污染，土地污染产生的因素以及如何减少这些污染。能正确运用现在进行时，现在完成时，被动语态，情态动词和ud to 句型。
3. 情感目标: 学生能口头运用现在进行时表达环境污染的现状，运用情态动词表达应该采取的措施。 有
we will rock you歌词
二、教学重难点：
1. 教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和ud to 保姆日记下载句型。
（2）保护环境的措施方法。
2 教学难点：现在进行时，情态动词和ud to 句型。
【课前准备】收集有关环境污染的资料、准备录音机、多媒体课件，学案
【教学方法】任务型教学法、情景交际法、自主学习和合作学习相结合。
三、整体设计
教学过程设计
I. Prentation
browning
Show the picture of the earth and tell students the earth is polluted now.
For example: (1) The factories that burn coal pollute the air with a lot of black smoke.
(2) Factories put waste into the river.
(3) People should throw away litter in the bin.
(4)There are more cars on the road.
II. Learning
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
loud music cars rubbish planes littering ships factories smoking building hous mobile phones |
|
noi pollution air pollution water pollution
____________ ___________ _____________
____________ ___________ _____________
____________ ___________ _____________
____________ ___________ _____________
Keys : noi pollution loud music planes mobile phones building hous
air pollution factories smoking cars building hous
water pollution ships rubbish littering factories
III. Listening
1. 1b Listen and complete the ntences.
What was the problem? 浙江省大学英语三级 | The river was _____________. Even the bottom (底部) of the river was full of ________. There were no more ______ for fishermen (渔民) to catch. |
What caud the problem? | People are throwing _______ into the river. Factories are putting ______ into the river. |
How should the problem be solved? | We should write to the ____________ and ask them to ___________ the factories. Everyone should help to __________ the river. |
| |
Keys: really dirty rubbish fish litter waste government
clo down clean up
2. Listen again and check (√) the ntences you hear.
1) We could go fishing in the river.
2) The river was really dirty.
3) The river has always been the nicest river in this town.
4) We should ask the teachers for help.
brittleKeys: 2 3
IV. Practice
1. Role-play the conversation in 1c.
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it ud to be so clean!
Mark: Yes, but people are throwing litter into the river.
Tony: Everyone in this town should play a part in cleaning it up!
2. Make conversations using the pollution in 1a.
A: The river has always been the nicest river in this town.
editorialB: Yes, it ud to be so clean.
A: But I was there last weekend and the river was really dirty.
B: What caud the problem?
A: People are throwing litter into the river.
B: What should we do?
A: Factories are also putting waste into the river.
B: Yes, everyone in this town should play a part.
A: We should write to the government and ask them to clo down the factories.
B: What el can we do?
A: Everyone should help to clean up the river.
V. Language points
1. We’re trying to save the earth! 我们正在竭尽全力拯救地球碧昂丝演唱会!
try to do =try one’s best to do 努力去做某事。
e.g. Every student should try to study hard in order to study in a university.
consist为了进入大学学习，每个学生都应该努力学习。
2. Here are some words related to different kinds of pollution.
be related to 与…有关
e.g. I am not related to him in any way. 我和他无任何关系。
3. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
e.g. A good diet plays a large part in helping people live longer.feedingbottle
健康的饮食在帮助人们长寿方面起着非常大的作用。
