冀教版英语八年级下Unit 8 Save Our World Lesson 45 Let's Sort Garbage!教学设计（1课时）

Lesson 45 Let’s Sort Garbage!
教学目标：
1.懂得运用表示垃圾分类的词或短语:empty,litter,do with,go for a walk,take out
2.掌握有关介绍垃圾分类的句子:There is more paper than plastic.And the most amount is paper.A lot of glass is broken.
3.进一步掌握代词it 的用法。
重点难点：
1.掌握一些介绍垃圾分类的单词:sort,waste,find,throw,collect
2.运用所学知识介绍自己掌握到的关于垃圾分类的情况。
3.掌握重点句式:They need to throw away only one small bag of garbage!People throw too much away.It is a waste to use paper only on one side.When I finish fixing this car,I will give it to my little cousin,Debbie.
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三课时,主要介绍垃圾分类。在授课之前先让学生想一想学生自己还有同学参加过的垃圾分类活动。课上可以通过让学生小组合作的形式进行相互交流;然后教师通过幻灯片、图片向学生展示不同的垃圾分类情况,并让学生用英语简单介绍出自己进行垃圾分类的过程。
教学准备：
设计教学PPT,录音机,多媒体,图片和单词卡片。
教学过程：
StepⅠ.Lead in
Leading in 【情景1】
Show some pictures about sorting garbage.Let the students answer the following questions:
T:Hello,boys and girls.What do you do with your garbage?
S1:Throw away.
S2:Sort garbage.
S3:Reuse garbage.
T:Why do you do this?
Ss:Protect the environment.
T:What kinds of things can be recycled and reused?
S4:Paper.
S5:Plastic things.
Discuss the questions in groups.Ask the students to talk for three minutes.Then let them present their talk in class.
[设计意图]　利用学生学过的内容,从询问如何处理垃圾开始,轻松进入语境,进而介绍生词,图片的使用使学习更加形象直观,自然地进入谈论垃圾分类的新话题。
Leading in 【情景2】
Greet the class.
T:Hello! Boys and girls!
Ss:Hello! Mr./Ms.XX.
Ask the students to introduce sorting garbage in class.
S1:It’s necessary.
S2:It’s useful.
Show the new words and show the picture of the sorting garbage to the students.
T:What do you do with the garbage?
S4:Just throw out.
S5:Sort garbage.
S6:Reuse garbage.
…
[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 four parts.Then ask them to read them in groups.After a while,ask them to read them loudly.
(1)What do you do with your garbage?
(2)Once,I cut my foot on a piece of broken glass.
(3)They need to throw away only one small bag of garbage!
(4)People throw too much away.
(5)It is a waste to use paper only on one side.
(6)When I finish fixing this car,I will give it to my little cousin,Debbie.
Please pay attention to the long word:garbage.
[设计意图]　小组合作朗读课文。展示垃圾分类的图片,使同学们感受环保工作的重要性,激发朗读的欲望。在互帮互助的小组合作中训练课文重点单词、短语、句式表达。
StepⅢ.Listening
T:Listen to the tape with your book closed and know about the main idea of the lesson.At the same time,fill in the blanks.
1.How did Jenny and Danny feel after they sorted the garbage?
2.What did Danny find in the garbage?
【Keys】　1.Surprised.　2.A toy car.
[设计意图]　加深同学们对整体的掌握,学生带着问题有目的地倾听,容易把握内容回答问题。
StepⅣ.Post-listening Activities
After listening to the passage,get the class to read it aloud.
T:Now let’s listen to the tape and read the passage.
Ss read aloud.Focus on the stressed words,pronunciation and intonation.
[设计意图]　学生训练听力之后,朗读巩固,训练学生的语音语调,培养阅读能力和理解能力。
StepⅤ.Reading
1.Read the text and answer the following questions.
(1)What is the least amount in the garbage?
(2)What is the effect to leave broken glass on the ground?
2.Then ask some volunteers to read the passage.
3.Read the text again and do the exercises in No.1 in Let’s Do It!
【Keys】　1.(1)Glass. (2)It can hurt people.　3.T　F　F　T
☆教材解读☆
1.What do you do with your garbage? ?
do with意思是“处理”,常与what 连用。
What did you do with your old clothes?
你怎么处理你的旧衣服?
【辨析】　do with,deal with
(1)do with意思是“处理”,强调处理的对象,常与what 连用。
What will you do with these old books?
你将怎么处理这些旧书?
(2)deal with意思是“处理”,强调处理的方法,常与how 连用。
How will you deal with your problems?
你将怎样处理你的问题?
2.Once,I cut my foot on a piece of broken glass.?
once 作副词,意思是“曾经”。once 还意为“一次”。
He once wanted to be a teacher.
他曾想当一名教师。
He plays the piano once a month.
他一个月演奏一次钢琴。
　　【拓展】　和once 有关的词组: 　
(1)once more再次。
(2)once in a while偶尔。
(3)at once立刻。
(4)for once难得一次。
(5)once and for all 彻底地。
(6)once or twice一两次。
(7)once upon a time从前。
(8)all at once一下子。
(9)never once从未。
[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1,进行练习,加深对课文的理解。
StepⅥ.Complete Let’s Do It!
Ask the students to read the passage again and again so that they can finish No.1 and No.2. by themselves.
[设计意图]　Let’s Do It! 部分中的 No.1 重点是阅读教学,主要针对课文的内容,通过练习题又一次巩固了课文内容, No.2考查本单元学到的重点代词it的用法。
StepⅦ.Task
GROUP WORK:Project
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 with the student who is standing in front of him/her.Ask students to talk about sorting the garbage.
[设计意图]　小组合作探究。以“垃圾分类”为话题,提供了一个语境完整、内容丰富的话题,自然呈现本单元的核心句型,为学生进一步输出语言提供了口语示范。
StepⅧ.Exercises
T:Now,look at the sentences with some missing words.Please use proper words to fill them.
1.We just 　　　　(去) a walk for an hour.?
2.What do you 　　　　(处理) these old books??
3.People should not 　　　　(乱扔) the garbage everywhere.?
4.Lucy should 　　　　(倒掉) the garbage every day.?
5.Do you know 　　　　(怎么修) that watch??
【Keys】　1.went for　2.do with　3.throw away　4.take out　5.how to fix
[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,利用已知的信息,让学生补充,让他们得到充分的训练。
StepⅨ.Homework
1.Copy the new words twice.
2.Read the passage with your group members.
[设计意图]　口头练习、写作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 45　Let’s Sort Garbage!
empty,litter
do with,go for a walk,take out
There is more paper than plastic.
And the most amount is paper.
A lot of glass is broken.
They need to throw away only one small bag of garbage!
People throw too much away.
It is a waste to use paper only on one side.
When I finish fixing this car,I will give it to my little cousin,Debbie.
教材习题解答
【Lesson 45】
1　1.T　2.F　3.F　4.T