仁愛版英語九年級上冊unit2topic1populationhascausedtoomanyproblemssectionc-資料下載頁
2024-12-09 09:08本頁面
【導讀】本課是第二單元第一話題的第三課時，主活動是1a和4。學生通過閱讀1a，推斷詞義，選出與該詞匹配的英文解釋。1c先讓學生找出主旨句，再通過找出。細節(jié)來論證段落的中心思想，以及通過語境判斷重點詞匯和句子的意思。談論噪音污染，通過選詞填空的方式辨析單詞的用法。為了讓學生順利地完成討論任務，還給出了可能涉及到的討論內容，4是在2和3的基礎之上進行的寫作練習，讓學生學習運用中心句。關注環(huán)境問題，關注各種污染，樹立正確的環(huán)保意識。掌握本課的重點詞匯和短語，初步感知定語從句。了解與噪音污染有關的常識。能讀懂有關環(huán)境污染的文章。能看懂和聽懂簡單的英文解釋。能夠理解段落中各個句子間的邏輯關系。能用合適的英語對環(huán)境污染問題進行口頭和書面語表達。了解各種不同種類的污染，關注全球的環(huán)境現(xiàn)狀。能通過思維導圖，對課文內容進行讀前預測。能積極地加入小組，合作探究，學會表達自己的觀點。
【正文】 : pollution S2: unfortable S3: unpleasant … 6 Finishing Task 3 and 4 （ 10 mins） Group work Let the Ss discuss one kind of pollutions according to the information they collected before class. Then make a report like 4. T: OK, you have collected some information about various pollutions before class. Now choose one kind of pollution and discuss it in groups. Maybe the questions in 3 can help you to anize your report. … Discuss one kind of pollution in groups according to the information they collected before class. Then make a report like 4. S1: What is air pollution? S2: S1: Water pollution is very serious and we can find it almost everywhere…. S2: Light pollution 運用課前收集的信息做報告，可以檢查學生課后作業(yè) 的完成情況 。 S1: What is air pollution? S2: T: Now report to the whole class. Who can have a try? S1: Water pollution is very serious and we can find it almost everywhere…. S2: Light pollution haven’t caught people’s eye yet… … T: You did a good job! After class, write your report in your exercise book and hand it in in time. haven’t caught people’s eye yet… 7 Summarizing and assigning homework (5 mins) Class activity Step 1: Let the Ss go through what they have learned today. T: Now, let’s go over what you have Go over together what they have learned today and each student speaks out one word or phrase to check their learned today, including words, phrases and sentences. And each student has to present one. S1: go deaf S2: hearing loss S3: do harm to … Step 2: HMK: Assign 4 as the HMK achievement. … S1: go deaf S2: hearing loss S3: do harm to … Write a passage about one sort of pollution. Ⅶ . Blackboard design Pollution has caused too many problems. Section C Key phrases: go deaf do harm to be harmful to lose one’s hearing have hearing loss in noisy condition too much noise no better than as badly as Sentences: (1)… 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. = People go deaf easily. / People work and live in noisy conditions. (3) … many teenagers in America can hear no better than 65yearold people do, … = … many teenagers in America can hear as badly as 65yearold people do, … lose – loss pollute – pollution pleasant – unpleasant harm – harmful noise – noisy fortable – unfortable hear – hearing health – healthy
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