信息技术教案
Topic 2 All these problems are very serious.
Section A
课时(1节)课节数(27 ) activities are 1a and 2. 本课:新课,课时重点活动是1a和2。
Ⅰ. 教学目标 (知识与能力)
1. Learn a new word and some phrases:
as a result, behavior, in the beginning, day by day, die out
2. 过程与方法:
(1)As a result, air pollution has become a serious problem.
(2)Humans have come to realize the importance of protecting animals.
3.情感态度与价值观 Learn the indefinite pronoun and adverb: 教学重点。难点
(1) None of us likes pollution.
(2) Don’t spit anywhere in public.
(3) Everyone should care for wild animals and plant more trees.
4. Learn the importance of protecting the environment.
Ⅱ. 教学资源(网络资源与PPT演示) 教具
有关污染的和学生不文明行为的PPT演示/小黑板/MP3/练习册
Ⅲ. 教学过程 五指教学方案
Step 1 Review 第一步 复习(时间:7分钟)
复习污染的类型及其危害,教师创设一个空气污染的情境,引入本课话题。
1. (教师收集一些有关污染的图片,让学生说出它们分别属于哪种污染,有何危害并提出解决建议。
)
T: What kind of pollution is it?
Ss: It is noise pollution.
T: What harm can it cause?
S1: It can disturb others and make people feel uncomfortable and
unpleasant.
S2: It does great harm to people’s hearing. It can even make people
sick or deaf.
T: Good. How should we solve this problem?
S3: Don’t always listen to loud pop music.
S4: Don’t make a loud noice in public.
…
(其它污染用同样的方法复习。学生可以在教师帮助下回答。)
Step 2 Presentation 第二步 呈现(时间:10分钟)
展示1a的图片,导入新课,呈现本课生词和词组。讲解不定代词和不定副词的用法。教育学生必须保护环境。
(教师创设一个空气污染的情境,引入本课话题。例如:教师一边拍身上的灰尘,一边咳嗽着走进教室,然后描述。)
T: It is too dirty and there is too much heavy smoke outside. I can’t stand it.
1. (教师展示1a的图片,导入新课。)
T: Do you like the environment here?
Ss: No, we don’t.
T: Why?
Ss: Because there is too much smoke. It’s a serious air pollution. T: Very good. We should stop burning coal. It is said that China has become the world’s largest producer and user of coal. As a result, air pollution has become a serious problem.
)
environment.
)
是不定代词,其修饰语要放在它后面。);
S1:We shouldn’t leave rubbish here and there.
S2:Don’t spit anywhere in public.
S3:Don’t walk on grass.
S4:…
(教师引导学生回答。)
T: Well done. We should do everything we can to protect the environment.
2. (播放1a录音,让学生带着问题去听。)
T: Listen to the tape, and answer the questions on the small blackboard. (出示小黑板。)
(1)What’s the article about?
(2)What should we do and not do to protect the environment? (核对答案。)
3. (男女生分角色朗读。)
T: Let’s read 1a together. Boys—Kangkang and girls—Michael.
4. (让学生再读1a,试着找出1a中的不定代词或不定副词,以及一些疑难点。) T: Read 1a again, and try to find the indefinite pronouns or adverbs.
Step 3 Consolidation 第三步 巩固(时间:8分钟)
阅读1a,完成1b,开展分组活动加深对文章的理解,增强学生的环保意识。
1. (让学生齐读对话,巩固1a并完成1b。)
T: Now, let’s read this dialog together again, and then try to answer the questions in 1b as quickly as you can.
(核对答案。)
2. (要求学生利用小黑板上的关键词复述1a。)
T: Retell 1a with the key words. Two minutes for preparation. a.the largest producer and user
b.a serious problem
c.do something useful
d.leave rubbish/spit anywhere/walk on grass/pick flowers/care for/plant more trees
e.do everything
(抽查几名同学,检测复述情况。教师作点评。)
Step 4 Practice 第四步 练习(时间:15分钟)
教师利用图片作引导,呈现部分生词和词组。让学生独立完成2,然后听录音,完成3。并通过练习,分析不定代词和不定副词在句中的作用,总结它们的用法。
1. (教师展示多幅有关学生不文明现象的图片。)
T: Environment is very important to us. How about the environment of Kangkang’s school? Let’
s look at the pictures.
T: (指着第一幅图中的男生。) Is he polite or impolite?
Ss: Impolite.
T: Yes. He is rude.
)
2. (让学生观察图片,然后分组讨论图中人物的行为是否正确。)
T: Are their behaviors good or bad?
) T: Good. What should we do then?
Ss:We should make rules to change the situation. Perhaps it’s hard for us to follow the rules in the beginning. But you will get used to them later on and our school will become better and better day by day.
T: I agree with you.
(小组选代表汇报。)
3. (教师让学生用不定代词或不定副词完成这封信,完成2。)
T: Here is a letter from Kangkang. Is the environment of his school good or bad? What did he say in the letter? Please read 2. Choose the proper words to fill in the blanks.
(教师与学生核对答案。让学生认真地读这封信,分析不定代词和不定副词在句中的作用。引导学生总结出不定代词/副词的用法。)
4. (教师用图片作引导,让学生对新的语法进行训练,达到学以致用的目的。) (展示一系列有标语的图片。)
T: We know we should protect the environment. What should we do? Please use the indefinite pronouns or adverbs in your sentences.
(教师可做适当的引导。)
S1: None of us should step on the grass. S2: Don’t throw rubbish everywhere.
S3: Nobody should pick the flowers.
S4: Don’t spit anywhere.
S5: Everyone should care for animals.
T: Excellent. We should do everything we can to protect the environment.
5. (听录音,完成3。)
T: In the past, people killed animals for their meat and skins. Now some kinds of
animals
are
becoming
fewer
and fewer. And some animals are in danger of dying out completely.
(板书并要求学生掌握。)
die out
T: Listen to the tape and finish 3.
(教师与学生核对答案,然后解释语言点。)
Step 5 Project 第五步 综合探究活动(时间:5分钟)
让学生调查周围的人,有哪些行为对保护环境是不利的,应如何解决,写一份调查报告。然后讨论作为一名中学生应该和不应该做什么,以此制定一份班级或学校规则来增强学生的环保意识。
1. T: Make a survey.
Make some class rules or school rules about protecting environment. 板书设计:
All these problems are very serious.
Section A
as a result But the government is doing something useful to protect the environment.
something useful None of us likes pollution.
in the beginning Don’t spit anywhere in public.\
die out We should do everything we can to protect the environment.