仁愛(ài)版英語(yǔ)九年級(jí)上冊(cè)u(píng)nit2topic1populationhascausedtoomanyproblemssectionc-資料下載頁(yè)
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【導(dǎo)讀】本課是第二單元第一話題的第三課時(shí)，主活動(dòng)是1a和4。學(xué)生通過(guò)閱讀1a，推斷詞義，選出與該詞匹配的英文解釋。1c先讓學(xué)生找出主旨句，再通過(guò)找出。細(xì)節(jié)來(lái)論證段落的中心思想，以及通過(guò)語(yǔ)境判斷重點(diǎn)詞匯和句子的意思。談?wù)撛胍粑廴?，通過(guò)選詞填空的方式辨析單詞的用法。為了讓學(xué)生順利地完成討論任務(wù)，還給出了可能涉及到的討論內(nèi)容，4是在2和3的基礎(chǔ)之上進(jìn)行的寫作練習(xí)，讓學(xué)生學(xué)習(xí)運(yùn)用中心句。關(guān)注環(huán)境問(wèn)題，關(guān)注各種污染，樹立正確的環(huán)保意識(shí)。掌握本課的重點(diǎn)詞匯和短語(yǔ)，初步感知定語(yǔ)從句。了解與噪音污染有關(guān)的常識(shí)。能讀懂有關(guān)環(huán)境污染的文章。能看懂和聽懂簡(jiǎn)單的英文解釋。能夠理解段落中各個(gè)句子間的邏輯關(guān)系。能用合適的英語(yǔ)對(duì)環(huán)境污染問(wèn)題進(jìn)行口頭和書面語(yǔ)表達(dá)。了解各種不同種類的污染，關(guān)注全球的環(huán)境現(xiàn)狀。能通過(guò)思維導(dǎo)圖，對(duì)課文內(nèi)容進(jìn)行讀前預(yù)測(cè)。能積極地加入小組，合作探究，學(xué)會(huì)表達(dá)自己的觀點(diǎn)。
【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(yùn)用課前收集的信息做報(bào)告，可以檢查學(xué)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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