1、Section C . Material analysis 本课是九年级第二单元第一话题的第三课时， 主活动是 1a 和 4。 学生通过阅读 1a，了解噪音污染是如何产生的，是怎样影响人们健 康的。1b 则训练学生通过语境，推断词义，选出与该词匹配的英文 解释。1c 先让学生找出主旨句，再通过找出细节来论证段落的中心 思想，以及通过语境判断重点词汇和句子的意思。2 继续谈论噪音污 染，通过选词填空的方式辨析单词的用法。3 让学生模仿 1a 来讨论 其它的污染。为了让学生顺利地完成讨论任务，还给出了可能涉及到 的讨论内容， 很有指导性。 4 是在 2 和 3 的基础之上进行的写作练习， 让学生学
2、习运用中心句来组织文章。通过了解噪音污染，让学生进一 步了解各种污染的现状。引导学生关注环境问题，关注各种污染，树 立正确的环保意识。 .Teaching aims 1.Knowledge aims： 掌握本课的重点词汇和短语，初步感知定语从句。 了解与噪音污染有关的常识。 区别不同词性的单词的用法。 2.Skill aims: 能读懂有关环境污染的文章。 能看懂和听懂简单的英文解释。 能够理解段落中各个句子间的逻辑关系。 能用合适的英语对环境污染问题进行口头和书面语表达。 3. Emotional aims: 通过学习，加深对环境问题的认知，树立环保意识。 4. Culture awaren
3、ess: 了解各种不同种类的污染，关注全球的环境现状。 . The key points and difficult points 1. Key points: Words and phrases: deaf, print, recently, sentence, meaning, hearing, loss, disturb, uncomfortable, unpleasant, sort, including, go deaf, do harm to/be harmful to, lose ones hearing/ have hearing loss, in noisy conditio
4、n/ too much noise, no better than，not onlybut also, all sorts of environmental problems, Sentences: (1) Not all people know noise is also a kind of pollution and is harmful to humans health. (2) People who work and live in noisy conditions go deaf easily. (3) many teenagers in America can hear no be
5、tter than 65-year-old people do Grammar: Simple past, present perfect. 2. Difficult points： 能根据所学内容，表达与污染相关的话题。 能区别使用不同词性的单词。 能大致理解含有定语从句的句子。 能正确理解和使用“no better than”, “do harm to”等短语。 . Learning strategies 能根据不同阅读材料，运用不同的阅读策略获取信息。 能积极地加入小组，合作探究，学会表达自己的观点。 能根据写作要求，搜集、准备有关污染和环保的素材。 . Teaching aids 与污
6、染相关的图片以及视频、幻灯片；课文音频等。 . Teaching procedures 1Getting students ready for learning Share a song and talk about the effects about beautiful songs. T: Just now we enjoyed a song .Do you like it ? Ss:Yes. T: Its one of my favorite songs . Beautiful songs can always make us happy .Are you happy ? Ss:Yes,
7、we are . T: But my friend Peter is unhappy now . Can you guess the reason ? 2Lead-in Play two videos and let the Ss discuss their feelings. T: Well ,lets watch a video about him. . T: How did Peter feel last night ? Was he all right ? Ss: He felt terrible. T: Did he have a good sleep ? Ss: No. T: Wh
8、y couldnt he fall asleep ? Ss: Maybe he fell ill/ had too much homework T: well ,lets watch the whole video to find out the truth. T: What made Peter awake and feel terrible last night ? Ss: Noise ! 先一段不完整的无声的视频，要求学生充分发挥想象力，训 练学生的发散性思维。然后再看一遍完整的有声的视频，揭晓答 案，让学生也对这节课的主题噪音有更深的理解和感受。 3Pre-reading Share
9、some opinions about noise pollution . At the same time , learn some key words and phrases together . 4While-reading Step 1: Let the Ss read 1a quickly, check what things can make noise in 1a. Step 2: Lead the Ss to read 1a, find the words in 1b and guess the meanings of them according to the content
10、. Then match the words with the meanings. Finish 1b. Step 3: Let the Ss read 1a carefully and finish the task in 1c. 5Post-reading Step 1: Let the Ss read 1a carefully, find out the two difficult sentences and then change them into another sentence . Step 2: Guide the Ss to complete the passage with
11、 correct form of each word. Finish 2. 6Group work : Finishing Task 3 and 4 Let the Ss discuss one kind of pollutions according to the information they collected before class. Then make a report like 4. After class, write your report in your exercise book and hand it in in time.Discuss one kind of po
12、llution in groups according to the information they collected before class. Then make a report like 4. 7Moral education We share the only one earth with each other. Let us try our best to protect the environment and make our home clean, quiet and beautiful ! 8Summarizing and assigning homework Step 1: Let the Ss go through what they have learned today. Step 2: HMK: Write a passage about one sort of pollution. Assign 4 as the HMKGo over together what they have learned today and each student speaks out one word or phrase to check their achievement.
