Lesson 44 Environment Clubs 教学设计

Lesson 44 Environment Clubs
教学目标：
1.掌握单词:least,pollute,waste,shut;短语:throw away,shut down,make…into…,turn off,encourage sb to do sth
2.掌握和运用介绍环保俱乐部的句型:…nobody comes to school in a car…Bring your own bag when you go shopping.Turn off the lights when you leave a room.
3.掌握如何写简单的说明文。
4.通过小组合作的方式,用实物或图片提供的场景练习目标语言,提高英语听说读写能力。
教学内容：
1.掌握有关介绍环保俱乐部的单词和短语:least,pollute,waste,shut,throw away,shut down,make…into…,turn off,encourage sb to do sth
2.懂得表达运用介绍环保俱乐部的句型:…nobody comes to school in a car…Bring your own bag when you go shopping.Turn off the lights when you leave a room.
3.进一步掌握代词it的用法。
重点难点：
1.掌握有关环保俱乐部的单词:reduce,least,save,encourage
2.介绍自己的环保活动。
3.掌握以下重点句子:In an environment club,students work together to reduce pollution and protect the environment.Environment clubs encourage students to bring their lunches in reusable bags and dishes.It’s a good way to reduce packaging.In a year,that would fill a large swimming pool!
教学思路：
本课时的教学内容是冀教版八年级下册英语第八单元的第二课时,主要涉及介绍环保俱乐部的情况。在授课之前先让学生通过网络查询有关环保俱乐部的知识。课上可以让学生通过小组合作的形式相互交流;教师通过幻灯片、图片向学生展示环保俱乐部的照片,同时告诉学生如何用英语介绍这些环保俱乐部的活动,掌握环保活动,掌握环保的重要性。
教学准备：
设计教学PPT,录音机,多媒体,图片,照片和单词卡片。
教学过程：
StepⅠ.Lead in
Leading in 【情景1】
T:Hello,boys and girls.What do you do when you see somebody throwing garbage?
S1:I will stop it.
S2:I will pick it up.
T:How do you feel about it?
S3:I feel angry.
S4:I feel sad.
T:What do you want to do to protect the environment?
S5:I can pick up garbage everywhere.
S6:I will join in the environment club.
Show some pictures about activities of environment clubs to the class.Let the students discuss the questions in groups.Then let them present their results in front of the class.
[设计意图]　利用学生学过的内容,以提问的方式开始,轻松进入语境,进而介绍生词,照片使学生感兴趣,运用学生所学的知识与照片相结合。
Leading in 【情景2】
Greet the class.
T:Hello! Boys and girls!
Ss:Hello! Mr./Ms.XX.
Ask the students to introduce the environment in class.
S1:It’s a serious problem.
S2:We all need to care about it.
S3:It’s our duty to protect it.
Show the new word “environment” and show the picture of the environment clubs to the students.
T:What do you do for our environment?
S4:Throw the garbage into the dustbin.
S5:Pick up the garbage everywhere.
S6:Don’t use plastic or paper bags.
…
[设计意图]　运用学生所学的知识,从谈论熟悉的入手进入新内容的学习,运用实物或图片帮助学生学习生词,直观、感性、形象。
StepⅡ.Presentation
If some students feel the passage is too long,the teacher can divide it into two or three parts.Then ask them to read them in groups.After a while,ask them to read the passage one by one.
Please pay attention to the long sentences:
(1)…nobody comes to school in a car…
(2)Bring your own bag when you go shopping.
(3)Turn off the lights when you leave a room.
(4)In an environment club,students work together to reduce pollution and protect the environment.
(5)Environment clubs encourage students to bring their lunches in reusable bags and dishes.
[设计意图]　分小组朗读课文,看一看哪一组读得好。在竞争中整体掌握本课内容。
StepⅢ.Listening
T:Listen to the tape with your book closed and fill in the blanks.
1.In an environment club,students help to 　　　　pollution.?
2.On a no-car day,nobody comes to school 　　　　.?
3.When you leave the room,you must 　　　　the lights.?
【Keys】　1.reduce　2.in a car　3.turn off
[设计意图]　加深同学们对细节的掌握,学生们在有了一定的信息输入之后,才能在这一部分写出所缺信息。
StepⅣ.Post-listening Activities
After listening to the tape,get the class to read it aloud.
Ss read aloud.Focus on the stressed words,pronunciation and intonation.
[设计意图]　学生在听了细节之后,朗读巩固,训练学生的语音语调,培养学生运用目标语言进行交际的能力。
StepⅤ.Reading
1.Read the text and answer the following questions.
(1)Which class will get a prize?
(2)What should people do on a no-car day?
(3)What is the best way to reduce the packaging?
2.Then ask some volunteers to read the passage.
3.Read the text again and do the exercises in No.3 in Let’s Do It!
【Keys】　1.(1)The class with the least garbage gets a prize. 　(2)Nobody comes to school in a car. (3)Bring your own bag when you go shopping.　3.fewer,throw,
reuse,recycle,waste
☆教材解读☆
1.What do you do when you see somebody throwing garbage on the ground??
句中see 作动词,意思是“看到”,强调结果。它的过去式是saw,过去分词是seen。
He looked out of the window,but he saw nothing.他向窗外看去,但是什么也没看见。
【辨析】　see sb doing sth,see sb do sth
(1)see sb doing sth意思是“看见某人正做某事”,强调动作正在进行。
I saw a girl singing in the classroom at ten o’clock.十点的时候,我看见一个女孩在教室唱歌。
(2)see sb do sth意思是“看见某人做了某事”, 强调动作发生的全过程或者经常性的动作。
He always saw a boy skate last winter.
去年冬天,他总是看见一个男孩滑冰。
2.How much garbage do you throw away after lunch??
句中throw away 是动副短语,意思是“扔掉”,可以接名词或者代词作宾语,如果是名词,放在两词中间或者后面都可以,如果是代词,只能放在两词的中间。
This piece of bread is going bad.You should throw it away.这片面包要发霉了。你应该扔掉它。
　　You should throw away this piece of bad bread.你应该扔掉这片坏面包。
【拓展】　throw away 还可以表示“浪费掉,错过”。
She threw away the only chance to go to the college.她放弃她唯一一次上大学的机会。
3.Environment clubs encourage students to bring their lunches in reusable bags and dishes.?
句中 encourage 意思是“鼓励”,encourage sb to do sth 则表示“鼓励某人去做某事”,encourage sb in sth 表示“在某方面鼓励某人”。
Everyone in my class has encouraged me.
我班上的每个人都鼓励过我。
We should encourage Lucy to study by herself.我们应该鼓励露西去自学。
Li Ming often encourages me in learning English.李明经常鼓励我学英语。
【拓展】　(1)encouragement(名词)鼓励。
Our teacher gives us lots of encouragements.
我们的老师给予了我们很多鼓励。
(2)encouraging(形容词)令人鼓舞的。
You should try being a little more encouraging!你可以试着多给人一些鼓励!
(3)encouraged(形容词)受到鼓舞的。
Children should be encouraged to be independent thinkers.应鼓励孩子们成为独立思考者。
(4)discourage(动词)使灰心。
She was discouraged by setbacks.
她因挫折而灰心了。
[设计意图]　学生通过阅读课文,掌握重点内容,并且通过回答问题来巩固对课文的理解和掌握;朗读课文完成课后题3,进行练习,加深对课文的理解。
StepⅥ.Complete Let’s Do It!
Ask the students to read the lesson again and again and finish No.1,No.2 and No.3.Read for several times until the students can understand the lesson themselves.Ask the students to finish them in groups.
[设计意图]　Let’s Do It! 中的No.1、No.2和No.3 都是针对课文内容的。认真阅读课文,训练阅读能力。同时分组教学培养合作精神,训练阅读能力。也着重练习了文中重点单词的用法。
StepⅦ.Task
GROUP WORK:No.4
Ask students to come to the front of the classroom,and some start walking towards others as the teacher says “go”.They must stop as the teacher says “stop”.Then they can make a new group to finish No.4.
[设计意图]　No.4的重点是训练本课内容的拓展延伸,掌握更多关于环保的知识,注意课文内容,考查学生的分析总结能力,尤其是口语表达,同时掌握环保的重要性。
StepⅧ.Exercises
T:Now,look at the sentences with some missing words.Please use your own words to fill them.
1.I 　　　　(鼓励) children to play sports every day.?
2.It is a 　　　　 (浪费) of time to play the computer games.?
3.Please 　　　　(扔掉) the garbage.?
4.We should use 　　　　(可再使用的) bags.?
5.What about 　　　　(关上) the tap??
【Keys】　1.encourage　2.waste　3.throw away　4.reusable　5.turning off
[设计意图]　以学评教、强化落实。当堂检测主要是由本节内容组成的形成性评价,逐渐减少呈现句中的信息,让学生补充,让他们得到充分的训练。
StepⅨ.Homework
1.Read the lesson loudly with your group members.
2.Copy the new words twice.
[设计意图]　口头练习和单词记忆相结合,复习、归纳,注重语言知识的操练与积累。
Lesson 44　Environment Clubs
least,pollute,waste,shut
throw away,shut down,make…into…,turn off,encourage sb to do sth
…nobody comes to school in a car…
Bring your own bag when you go shopping.
Turn off the lights when you leave a room.
In an environment club,students work together to reduce pollution and protect the environment.
Environment clubs encourage students to bring their lunches in reusable bags and dishes.
It’s a good way to reduce packaging.
In a year,that would fill a large swimming pool!
教材习题解答
【Lesson 44】
1　1.Students work together to reduce pollution and protect the environment.　2.It’s a good way to reduce packaging.　3.They fix leaky toilets and sinks. Turn off the lights when they leave a room.Turn off the television and shut down the computer when they are not using them.
2　1.polluted　2.waste　3.Nobody　4.least　5.shut
3　fewer,throw,reuse,recycle,waste