仁愛版九年級(jí)英語上冊Unit 2 Topic 3 Section B教案
Unit 2 Saving the EarthTopic 3 Section B教案Teaching aims and demands1. Learn some new words and useful expressions: ought to, turn off, action, on time.2. Go on learning to protect the environment.3. Review giving advice.Teaching aids錄音機(jī)/小黑板/一只塑料瓶/罐頭瓶/別的實(shí)物Teaching PlanStep 1 Review分小組向全班同學(xué)匯報(bào)上節(jié)課的作業(yè)。教師準(zhǔn)備一些垃圾并做些動(dòng)作,學(xué)生判斷正誤,并糾正老師的行為,既激發(fā)興趣又復(fù)習(xí)上節(jié)課內(nèi)容。進(jìn)行環(huán)保教育。T:(教師出示一塑料瓶) Look at this plastic bottle, its empty. Lets throw it away.(扔在地上)Ss:Mr./Miss, you are wrong.T:Why?Ss:Because it can be reused.T:(教師出示一罐頭瓶。) Here is a can. Its not useful. S1, please throw it out of the window.S1:Sorry. Mr./Miss, I cant do that. We must protect our environment and it can be collected andrecycled.T:What a greener person! We all should protect the environment around us. We need to reduce thewaste we produce. We should use both sides of paper, and reuse plastic bags rather than throw2them away, but actions speak louder than words. S , could you pick up the plastic bottle on thefloor for me?S2: Certainly. (學(xué)生拾起。)T: Thank you. S2, you are a good student. Everybody should do it like this every day, but easiersaid than done.Step 2 Presentation1. (1)教師將已設(shè)計(jì)好的聽力問題呈現(xiàn)在黑板上。(1) Would Michael like to be a greener person?(2) When you go shopping, do you take a cloth bag or plastic bags?(2)讓學(xué)生聽錄音 1a,并回答問題。(3)讓學(xué)生再聽錄音,并說出簡的建議。sT: Listen to the tape again, and tell Janeadvice.First, you ought to turn off the lightsSecond, youd better walk or ride a bike instead of Third, take a cloth bag when (要求學(xué)生跟讀這些句子,并用 ought to 和 Youd better 來提一些環(huán)保建議。)S1: You ought to clean the classroom.S2: Youd better not cut down the trees.S3: 2.讓兩位同學(xué)讀 1a,別的同學(xué)認(rèn)真聽,并找出重難點(diǎn)和同桌討論,教師深入學(xué)生中,了解共性問題并講解,可簡單復(fù)習(xí)不定式。T: Now, Ill let two students read 1a for us. The others listen carefully, and find out the difficultiesyou dont understand. Pay attention to the stress and intonation.Step 3 Consolidation1. (1)學(xué)生根據(jù)板書的重點(diǎn),改寫對話成一篇報(bào)告。T: According to the main sentences. Please change the dialog into a short report. You have twominutes.(2)要求學(xué)生復(fù)述對話。S1: Michael would like to be a greener person. Jane gives him three pieces of advice. She tells himthat he ought to turn off the lights when he leaves a room. when he wants to travel a short distance,hed better walk or ride a bike, not take a bus or a taxi2. (1)讓學(xué)生獨(dú)立完成 1b,教師檢查并以提問的方式核對答案。T: Please match the letters with the sentences. One minute later, I ll ask a student to give his/heranswers, then check our answers together.(2)讓學(xué)生讀 1b 中的句子,熟悉內(nèi)容,為下步做準(zhǔn)備。(3)讓學(xué)生來看這些圖片,加強(qiáng)環(huán)保節(jié)能方面的教育。T: Boys and girls, please look at the pictures about the daily life. What do they show us? Who cantell us? Hands up!S2:Picture a shows us that we ought to save electricity.S3:Picture b shows us that S4:Picture c shows us that S5: (4)要求學(xué)生進(jìn)行拓展,總結(jié)更多的日常環(huán)保行為。T: Very good! Pay attention to our lives around us every day. There are many good habits to saveenergy or protect the environment. Who can try to tell us?S6:Take care of the wild animals.S7:Dont cut down the trees.S8: (5)根據(jù) 1a,應(yīng)用 1b 中的內(nèi)容再來重新組織一個(gè)對話。T: Make a new dialog like 1a according to the sentences in 1b, practise it with your partner. Laterthe volunteers act it out.Example:S9: Hi, S10. Would you like to be a greener person?S10: Of course, Id love to, but what should I do?S9: First, Reduce waste. Dont buy bottles or boxes which people can use only once.S10: Oh, thats easy. Whats next?S9: Second, recycle boxes and plastic bottles.S10:Thats right. S9: Step 4 Project1.和同桌討論可以減少使用、再使用或回收再利用的各種東西,以此來完成 2b。同時(shí)盡可能多地呈現(xiàn)一些可三 Rs 的日用物品,觀點(diǎn)可能會(huì)出現(xiàn)分歧。T: Now, please work in pairs and try to complete 2b.2.教師再呈現(xiàn)一些實(shí)物,讓學(xué)生判斷。T: Look at these objects together. Do you think they can be recycled, reused or reduced?Step 5 Homework(1) Write an article about three Rs.(2) Tell your family and friends how to save energy.