2015年秋仁愛(ài)英語(yǔ)九年級(jí)上Unit2-topic3導(dǎo)學(xué)案

1、Unit 2 Saving the EarthTopic 3 What can we do at home to protect the environment?Section A【學(xué)習(xí)目標(biāo)】1.學(xué)習(xí)由連詞or and, but和while連接的復(fù)合句；2.從“減量”，“再使用”，和”再循環(huán)”的角度討論保護(hù)環(huán)境?！绢A(yù)習(xí)案】一、在文中找到并劃出下面的短語(yǔ)41.環(huán)境保護(hù)_ 2.為一個(gè)組織工作_3.保護(hù)環(huán)境為一個(gè)組織工作_ 4.我的專職工作_5.傳播信息_ 6.循環(huán)使用塑料袋_7.省錢_ 8.收集廢紙_9.飲料罐_ 10.一種污染_ 11.考試不及格_ 12.錯(cuò)過(guò)公車_13.失敗幾次_ 14.放棄_

2、【探究案】 在文中劃出下面的句子并分析1.We all know that youre working for an organization that protects the environment.譯：_思考：句中的第一個(gè)that引導(dǎo) _從句, 第二個(gè)that引導(dǎo)_從句點(diǎn)撥：work for 為工作 鏈接：play for - _拓展：work as - 充當(dāng)，擔(dān)當(dāng) work on-從事 work out -算出 work hard at -在方面工作努力鞏固：a. We should work for our motherland to make her stronger and mo

3、re beautiful . 譯：_ b. You can work as a teacher like Linda after college. 譯：_ c. He is working on a special job to protect the environment. 譯：_ d.Can you work out how much money it will need? 譯：_ e.Work hard at English and you will make great progress soon. 譯：_2.My main job is to help spread the mes

4、sage about protecting the environment.譯：_總結(jié)：help sb. (to) do sth.-幫助某人做某事help sb. with sth.-幫助某人某事cant help doing sth.-禁不住做某事練習(xí)：1.我昨天幫助我媽媽做家務(wù)活了。I _ my mother _ _ _ yesterday. 2.你能幫幫我的英語(yǔ)嗎？ Can you _ me _ my English? 3.聽(tīng)到那個(gè)消息后，她禁不住哭了。_ _ the news, she _ _ _.3.So we encourage students to collect waste

5、paper and soft drink cans.譯：_點(diǎn)撥: encourage sb. to do sth. 鼓勵(lì)某人去做某事練習(xí)：My mother _ me to _ the sports meeting. 我媽媽鼓勵(lì)我去參加運(yùn)動(dòng)會(huì)。Section B【學(xué)習(xí)目標(biāo)】1.學(xué)習(xí)用ought to提建議；2.從身邊小事做起，師生一起保護(hù)環(huán)境，做一個(gè)環(huán)保人。【預(yù)習(xí)案】一、 在文中找到并劃出下面的短語(yǔ)1.做一個(gè)環(huán)保人士_3.關(guān)燈_5.騎車_7.乘公交車或打的_9.節(jié)約能源_11.帶個(gè)布袋_13.說(shuō)起來(lái)容易做起來(lái)難_2.應(yīng)該_4.最好走路騎車_6.代替_8. 短距離旅行_10.減少空氣污染_12.

6、不要使用塑料袋_14.行動(dòng)勝于語(yǔ)言_二、在文中劃出下面的句子并分析1.You ought to shut off the electricity when you leave a room.譯：_點(diǎn)撥：ought to-應(yīng)該，應(yīng)當(dāng)(情態(tài)動(dòng)詞，無(wú)人稱，時(shí)態(tài)及數(shù)的變化) 表示責(zé)任, 義務(wù)或道義上應(yīng)該語(yǔ)義同should注意：ought to的否定形式為ought not to do sth., 縮略形式oughtnt to疑問(wèn)形式為ought + 主語(yǔ) + to do sth.? 肯定回答：Yes, 主 + ought. 否定回答：No, 主 + ought not. ought to 的反義疑問(wèn)句

7、中，附加疑問(wèn)部分用ought或should疑問(wèn)練習(xí)：a. We ought to be polite to the old. 譯：_b.你應(yīng)該幫你媽媽做些家務(wù)活。You _ _ _ your mother _ some housework.c.你不應(yīng)該在墻上畫(huà)畫(huà)。You _ _ draw on the wall.d.我應(yīng)該立刻去澆花嗎？_ I _ _ the flowers at once? e.我們應(yīng)該現(xiàn)在出發(fā)，是嗎？We _ _ _ now, _ _?2.Youd better walk or ride a bike instead of taking a bus or a taxi if

8、 you travel a short distance. 譯：_點(diǎn)撥：d better = had better 總結(jié)：had better (not) do sth. 最好(不)做某事 點(diǎn)撥：instead of代替，而不是 (介詞短語(yǔ)) 練習(xí)：a.你們最好明天準(zhǔn)時(shí)到這兒。You _ _ _ here _ _tomorrow. b.老人最好不要開(kāi)車。_ _ _ _ _ drive cars. c.我將代替他參加運(yùn)動(dòng)會(huì)。I will _ _ _ the sports meet _ _ _. d.昨天晚上我去看電影了沒(méi)有呆在家。I _ _ _ _ instead of _ at home_ _

9、. 6Section C【學(xué)習(xí)目標(biāo)】1.繼續(xù)學(xué)習(xí)連詞引導(dǎo)的復(fù)合句；2.了解現(xiàn)代科學(xué)技術(shù)在環(huán)保方面的作用。【預(yù)習(xí)案】一、在文中找到并劃出下面的短語(yǔ)1.用煤礦生產(chǎn)能源_ 2.造成酸雨_3.使用核能生_ 4.全世界的人_5.尋找新辦法_ 6.首批國(guó)家之一_7.使用沼氣技術(shù)_ 8.制沼氣_9.可再生能源_ 10.在人們的日常生活中_11.主要缺點(diǎn)_ 12.上海世博會(huì)_13.最著名的磁懸浮火車_ 14.達(dá)到最高時(shí)速_15.更貴得多_ 16.傳統(tǒng)鐵軌_17.用盡_ 18.發(fā)電_【探究案】 在文中劃出下面的句子并分析1.Some countries use nuclear energy to produce

10、 power. 譯：_點(diǎn)撥：use sth. to do sth.=use sth. for doing sth. -使用某物做某事 練習(xí)：a.在過(guò)去人們使用竹子寫(xiě)字.People _ bamboo _ _ in the past. b.人們用風(fēng)發(fā)電。People _ wind _ producing electricity.2. The train can reach a top speed of 431 km per hour. 譯：_點(diǎn)撥：reach a speed of+具體速度 -達(dá)到某個(gè)速度鏈接：at a speed of + 具體速度-以某個(gè)速度, 可用high, low, fu

11、ll等形容詞修飾speed 。練習(xí)：a.北京至天津線火車時(shí)速達(dá)到每小時(shí)300千米。Beijing-Tianjin train travels _ _ _ _ 300 km per hour. b.我們以每小時(shí)30英里的速度前進(jìn)。We were traveling _ _ _ _thirty miles per hour.3 It takes people just 7minutes to go to the airport 30km away. 譯：_同義句：_4.However, maglev guide paths are much more expensive than traditio

12、nal steel railways.譯：_點(diǎn)撥：形容詞前可加a lot, much, far, a little ,even等詞修飾；還可在形容詞比較級(jí)前加表數(shù)量的詞。練習(xí)：a. Dont go by plane. Its a lot more expensive. 譯：_ b. His illness is far more serious than we thought. 譯：_ c. Its a little colder today than it was yesterday. 譯：_ d. It was cold yesterday, but its even colder tod

13、ay. 譯：_ e. My sister is two years younger than me. 譯：_ 10Section D【學(xué)習(xí)目標(biāo)】1.總結(jié)復(fù)合句的用法；2.繼續(xù)學(xué)習(xí)和拓展環(huán)境保護(hù)的話題。【預(yù)習(xí)案】 在文中找到并劃出下面的短語(yǔ)1.地球的肺_3.制造氧氣_5.面臨許多困難_7.寒冷潮濕_9.不同種類的_2.清除二氧化碳_4.例如_6.炎熱干燥_8.植樹(shù)者_(dá)10.植樹(shù)_【探究案】 文中劃出下面的句子并分析1. In many countries, such as New Zealand, Canada, and Brazil, forests were cut down to prov

14、ide wood to build houses.譯：_.點(diǎn)撥：such as “例如”，列舉幾個(gè)例子 for example “例如”，列舉一個(gè)例子，前面有逗號(hào)隔開(kāi)。練習(xí)：I have traveled many cities _ _ Beijing, Shanghai and Shenzhen. I like western counties, _ _ , America. 2. They plant different types of trees so that birds and animals can live in the forests.點(diǎn)撥：different types of + 可數(shù)名詞的復(fù)