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初中英语Section A优质第1课时教学设计及反思
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这是一份初中英语Section A优质第1课时教学设计及反思，共5页。
UNIT 13 We’re trying to save the earth!
Section A (1a—2d) 第1课时
设计说明
本课时通过向学生展示一组有关环境污染的图片导入新课，组织学生讨论本单元的话题“保护环境”，激发他们的学习兴趣。通过听力练习，提升学生快速获取信息的能力并进一步了解各种污染。通过朗读对话，提升学生的朗读能力，培养在日常生活中保护环境的意识。指导学生学习新知识点，积累英语基础知识。最后，设置对应练习，检查和巩固学生所学的基础知识和语言技能。
教学目标
通过本课时的学习，让学生达成以下目标：
1.知识目标
(1)单词：litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, takeaway, bin
(2)短语：used to, play a part (in)
(3)句型：①I used to …
②We should…
③The air is badly polluted…
2.能力目标
(1)能听懂谈论过去环境污染的对话；
(2)能理解对话并正确朗读对话。
3.情感目标
讨论污染和环境保护，树立环保意识。
重点难点
重点：本课时的重点词汇、句式和语言点；朗读对话
难点：谈论环境污染
教学准备
PPT课件；1b, 2a, 2b和2d的音频
授课时数
1课时
教学过程
Step 1 Lead-in
Show some pictures about pollution to class. And ask them to talk about them in English.
T: What do you know about pollution? Talk in pairs.
air pollution
water pollution
noise pollution
T: Do you know other kinds of pollution?
S: …
Step 2 Presentation
Work on 1a.
1. Here are some words related to different kinds of pollution. Write them in the box below.
loud music cars rubbish planes littering
ships factories smoking building houses
mobile phones
Possible Answers:
2. Ask the students to add more words related to different kinds of pollution.
Possible Answers: noise pollution: machines, crowds, vehicles
air pollution: burning, power plants, nuclear waste disposal
water pollution: sewage, industrial waste, pesticides
Step 3 Listening
Work on 1b.
1. Before listening, ask the students to read the sentences and try to guess the missing words.
2. Ask them to listen to the recording and complete the sentences.
3. Play recording again for the students to check their answers.
4. Check the answers.
Answers: really dirty, rubbish, fish
litter, waste
government, close down, clean up
Step 4 Discussion
Work on 1c.
1. Ask the students to work in pairs. Role-play the conversation.
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it used 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. Tell the students to make their own conversations about the kinds of pollution in 1a.
Step 5 Listening
Work on 2a.
1. Before listening, ask the students to read the different kinds of pollution.
A. land pollution B. air pollution
C. noise pollution D. water pollution
2. Play the recording and ask the students to circle the kinds of pollution that Jason and Susan talk about.
3. Check the answers.
Answers: A. land pollution B. air pollution
Work on 2b.
1. Play the recording again and ask the students to complete the sentences.
Answers: 1. more cars 2. pollute 3. are throwing away 4. public places
2. Show the tapescript to the class and explain some difficult sentences.
Section A, 2a, 2b
Interviewer: Today we’re talking to Jason and Susan about environmental problems. Jason and Susan, can you tell us about some of the problems you’ve seen?
Jason: I think one problem is that the air is badly polluted. I hardly ever see blue skies anymore.
Susan: Yes, and I used to see the stars clearly.
Interviewer: What do you think has caused this problem?
Susan: Well, there are more cars on the road these days.
Jason: And factories that burn coal also pollute the air with a lot of black smoke.
Interviewer: What other problems do you see?
Susan: I guess there’s too much rubbish and waste in the streets.
Jason: Yes! Every day people are throwing away things like wooden chopsticks, plastic bowls and plastic bags.
Susan: They’re also littering in public places, for example, during picnics in parks. This is turning beautiful places into ugly ones.
Interviewer: You’re right. These are serious problems for our environment. Next, let’s talk about the things we can do to help.
Step 6 Practice
Work on 2c.
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
1. Ask the students to role-play the conversation with their partners.
2. Encourage some pairs to present their conversation.
Step 7 Role-play
Work on 2d.
1. Play the recording of the conversation.
2. Ask the students to read the conversation after the recording.
3. Explain some important language points of this part.
4. Ask them to read the conversation on their own.
5. Role-play the conversation in pairs.
6. Divide the class into three groups and ask them to role-play the conversation.
7. Complete the chart.
Pollution
Ways to solve the problem
air pollution
(1)
waste pollution
(2)
(3)
(4)
Answers: (1)take the bus, subway or ride a bike instead of driving
(2)bring a bag to go shopping
(3)never take wooden chopsticks or plastic forks when buying takeaway food
(4)throw rubbish in the bins
Step 8 Language points
1. But it used to be so clean! 但它过去如此干净！
used to意为“过去常常”，强调过去经常发生，但现在不再发生。后接动词原形。
My family used to live in the countryside, but now we live in the city.
我家过去住在乡下，但现在我们住在城市里。
He didn’t use to like vegetables.
他过去不喜欢蔬菜。
[注意] be used to意为“习惯于”，to是介词，后接名词、代词或动词-ing形式。
My father is used to getting up early.
我父亲习惯于早起床。
2. …we should take the bus or subway instead of driving.
……我们应该乘坐公共汽车或地铁而不是开车。
instead of是短语介词，意为“代替；而不是”，其后可跟名词、代词或动名词形式，否定of后的内容。
I can attend to the meeting instead of my sick brother.
我可以代替我生病的弟弟参加会议。
[拓展] instead是副词，常位于句末。位于句首时，其后有逗号，肯定instead所在句的内容。
He didn’t reply. Instead, he left the room. 他没回答，反而离开了房间。
3. It’s good for health and it doesn’t cost anything! 那对健康有好处，并且没有什么花费！
cost (cost，cost)及物动词，意为“花费”。常用搭配为sth. cost(s) sb. some money，意为“某物花费某人多少金钱”。
The computer cost me 3, 000 yuan. 这台电脑花费了我3 000元。
4. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. 记得把垃圾扔进垃圾桶里，为了大家要保持公共场所干净美观。
辨析：remember to do sth.与remember doing sth.
remember to do sth.
记得去做某事（事情还没有做）
Remember to bring your homework to school.
记得把你的家庭作业带到学校来。
remember doing sth.
记得做过某事（事情已经做了）
I remember closing the window.我记得关上窗户了。
5. So together, our actions can make a difference and lead to a better future!
因此，我们齐心协力就能带来变化，创造更加美好的未来！
make a difference (to…)意为“（对……）产生影响或作用”。
My hobby has made a big difference to me.
我的爱好已经给我带来了很大的影响。
Do you think you will make any difference to her final decision?
你认为你会对她的最后决定产生影响吗？
Step 9 Homework
1. Write a short passage about how to protect our environment.
2. Find some information about sharks and write it down.
3. Preview the article in 3a.
板书设计
UNIT 13 We’re trying to save the earth!
Section A (1a—2d)
1. (at) the bottom of
2. no more
3. write to
4. ask sb. (not) to do sth.
5. be full of/be filled with
6. play a part (in)
7. clean up
8. too much
9. turn… into…
10. cut down
11. take the bus
12. instead of
13. be good for
14. start doing sth.
15. remember to do sth.
16. make a difference
1. should +动词原形
We should take the bus or subway instead of driving.
2. used to过去常常
It used to be so clean.
3. 被动语态
The air is badly polluted.
UNIT 13 We’re trying to save the earth!
Section A (1a—2d) 第1课时
设计说明
本课时通过向学生展示一组有关环境污染的图片导入新课，组织学生讨论本单元的话题“保护环境”，激发他们的学习兴趣。通过听力练习，提升学生快速获取信息的能力并进一步了解各种污染。通过朗读对话，提升学生的朗读能力，培养在日常生活中保护环境的意识。指导学生学习新知识点，积累英语基础知识。最后，设置对应练习，检查和巩固学生所学的基础知识和语言技能。
教学目标
通过本课时的学习，让学生达成以下目标：
1.知识目标
(1)单词：litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, takeaway, bin
(2)短语：used to, play a part (in)
(3)句型：①I used to …
②We should…
③The air is badly polluted…
2.能力目标
(1)能听懂谈论过去环境污染的对话；
(2)能理解对话并正确朗读对话。
3.情感目标
讨论污染和环境保护，树立环保意识。
重点难点
重点：本课时的重点词汇、句式和语言点；朗读对话
难点：谈论环境污染
教学准备
PPT课件；1b, 2a, 2b和2d的音频
授课时数
1课时
教学过程
Step 1 Lead-in
Show some pictures about pollution to class. And ask them to talk about them in English.
T: What do you know about pollution? Talk in pairs.
air pollution
water pollution
noise pollution
T: Do you know other kinds of pollution?
S: …
Step 2 Presentation
Work on 1a.
1. Here are some words related to different kinds of pollution. Write them in the box below.
loud music cars rubbish planes littering
ships factories smoking building houses
mobile phones
Possible Answers:
2. Ask the students to add more words related to different kinds of pollution.
Possible Answers: noise pollution: machines, crowds, vehicles
air pollution: burning, power plants, nuclear waste disposal
water pollution: sewage, industrial waste, pesticides
Step 3 Listening
Work on 1b.
1. Before listening, ask the students to read the sentences and try to guess the missing words.
2. Ask them to listen to the recording and complete the sentences.
3. Play recording again for the students to check their answers.
4. Check the answers.
Answers: really dirty, rubbish, fish
litter, waste
government, close down, clean up
Step 4 Discussion
Work on 1c.
1. Ask the students to work in pairs. Role-play the conversation.
Mark: The river was dirty. Even the bottom of the river was full of rubbish.
Tony: But it used 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. Tell the students to make their own conversations about the kinds of pollution in 1a.
Step 5 Listening
Work on 2a.
1. Before listening, ask the students to read the different kinds of pollution.
A. land pollution B. air pollution
C. noise pollution D. water pollution
2. Play the recording and ask the students to circle the kinds of pollution that Jason and Susan talk about.
3. Check the answers.
Answers: A. land pollution B. air pollution
Work on 2b.
1. Play the recording again and ask the students to complete the sentences.
Answers: 1. more cars 2. pollute 3. are throwing away 4. public places
2. Show the tapescript to the class and explain some difficult sentences.
Section A, 2a, 2b
Interviewer: Today we’re talking to Jason and Susan about environmental problems. Jason and Susan, can you tell us about some of the problems you’ve seen?
Jason: I think one problem is that the air is badly polluted. I hardly ever see blue skies anymore.
Susan: Yes, and I used to see the stars clearly.
Interviewer: What do you think has caused this problem?
Susan: Well, there are more cars on the road these days.
Jason: And factories that burn coal also pollute the air with a lot of black smoke.
Interviewer: What other problems do you see?
Susan: I guess there’s too much rubbish and waste in the streets.
Jason: Yes! Every day people are throwing away things like wooden chopsticks, plastic bowls and plastic bags.
Susan: They’re also littering in public places, for example, during picnics in parks. This is turning beautiful places into ugly ones.
Interviewer: You’re right. These are serious problems for our environment. Next, let’s talk about the things we can do to help.
Step 6 Practice
Work on 2c.
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
1. Ask the students to role-play the conversation with their partners.
2. Encourage some pairs to present their conversation.
Step 7 Role-play
Work on 2d.
1. Play the recording of the conversation.
2. Ask the students to read the conversation after the recording.
3. Explain some important language points of this part.
4. Ask them to read the conversation on their own.
5. Role-play the conversation in pairs.
6. Divide the class into three groups and ask them to role-play the conversation.
7. Complete the chart.
Pollution
Ways to solve the problem
air pollution
(1)
waste pollution
(2)
(3)
(4)
Answers: (1)take the bus, subway or ride a bike instead of driving
(2)bring a bag to go shopping
(3)never take wooden chopsticks or plastic forks when buying takeaway food
(4)throw rubbish in the bins
Step 8 Language points
1. But it used to be so clean! 但它过去如此干净！
used to意为“过去常常”，强调过去经常发生，但现在不再发生。后接动词原形。
My family used to live in the countryside, but now we live in the city.
我家过去住在乡下，但现在我们住在城市里。
He didn’t use to like vegetables.
他过去不喜欢蔬菜。
[注意] be used to意为“习惯于”，to是介词，后接名词、代词或动词-ing形式。
My father is used to getting up early.
我父亲习惯于早起床。
2. …we should take the bus or subway instead of driving.
……我们应该乘坐公共汽车或地铁而不是开车。
instead of是短语介词，意为“代替；而不是”，其后可跟名词、代词或动名词形式，否定of后的内容。
I can attend to the meeting instead of my sick brother.
我可以代替我生病的弟弟参加会议。
[拓展] instead是副词，常位于句末。位于句首时，其后有逗号，肯定instead所在句的内容。
He didn’t reply. Instead, he left the room. 他没回答，反而离开了房间。
3. It’s good for health and it doesn’t cost anything! 那对健康有好处，并且没有什么花费！
cost (cost，cost)及物动词，意为“花费”。常用搭配为sth. cost(s) sb. some money，意为“某物花费某人多少金钱”。
The computer cost me 3, 000 yuan. 这台电脑花费了我3 000元。
4. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. 记得把垃圾扔进垃圾桶里，为了大家要保持公共场所干净美观。
辨析：remember to do sth.与remember doing sth.
remember to do sth.
记得去做某事（事情还没有做）
Remember to bring your homework to school.
记得把你的家庭作业带到学校来。
remember doing sth.
记得做过某事（事情已经做了）
I remember closing the window.我记得关上窗户了。
5. So together, our actions can make a difference and lead to a better future!
因此，我们齐心协力就能带来变化，创造更加美好的未来！
make a difference (to…)意为“（对……）产生影响或作用”。
My hobby has made a big difference to me.
我的爱好已经给我带来了很大的影响。
Do you think you will make any difference to her final decision?
你认为你会对她的最后决定产生影响吗？
Step 9 Homework
1. Write a short passage about how to protect our environment.
2. Find some information about sharks and write it down.
3. Preview the article in 3a.
板书设计
UNIT 13 We’re trying to save the earth!
Section A (1a—2d)
1. (at) the bottom of
2. no more
3. write to
4. ask sb. (not) to do sth.
5. be full of/be filled with
6. play a part (in)
7. clean up
8. too much
9. turn… into…
10. cut down
11. take the bus
12. instead of
13. be good for
14. start doing sth.
15. remember to do sth.
16. make a difference
1. should +动词原形
We should take the bus or subway instead of driving.
2. used to过去常常
It used to be so clean.
3. 被动语态
The air is badly polluted.
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