1、Unit 2 Saving the EarthTopic 3 What kinds of things can we do to protect the environment?SectionA【學習目標】1.學習由連詞or,and,but,和while連接的并列句；2.從“減量”，“再使用”，和”再循環”的角度討論保護環境。3.滲透法制教育中華人民共和國環境保護法。【預習案】一、 讀1a，回答問題1.What is Jane working for? _2.Whats Janes main job? _3.What does the three Rs refer to? _二、 在文中找到并

2、劃出下面的短語1.環境保護_2.為一個組織工作_3.我的專職工作_4.傳播信息_5.使用紙的正反面_6.循環使用塑料袋_7.不僅而且_8.省錢_9.鼓勵某人做某事_10.搜集廢紙_11.飲料罐_12.把他們分類_13.為了, 以便于_14.應該_15.把垃圾分類_16.垃圾的種類_【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that引導 _從句, 第二個that引導_從句點撥：work for 為工作 鏈接：p

3、lay for - _拓展：work as - 充當，擔當 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 more 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

4、 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 message about protecting the environment.譯：_總結：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：1.每天做鍛煉有助于保持健康。_ _every day _

5、_ _ fit.2.我昨天幫助我媽媽做家務活了。I _ my mother _ _ _ yesterday. 3.你能幫幫我的英語嗎？ Can you _ me _ my English? 4.聽到那個消息后，她禁不住哭了。_ _ the news, she _ _ _.3.Recycling can protect the environment ,and it can save money, too.譯：_寫出此句的同義句： 點撥：not only but also 不僅而且, 并列連詞短語，連接并列的各種成分，當連接并列主語時，謂語動詞和鄰近的主語保持一致，即“就近原則”。 練習：1.不

6、僅我們而且她以前也到過那里。_ _ we _ _ she _ _ there _. 2.他不僅說了，而且做了。He _ _ said it, but also _ it. 3.我們不僅學習漢語也學習英語。_ 4.他不僅是一位老師，還是一位作家。_語法鏈接-并列句1）并列句是由連詞把兩個或兩個以上的簡單句連成的一個新句子，即：簡單句+并列連詞+簡單句。2）常用并列連詞和短語and(并且)，but（但是），or（否則），so (所以)，for(因為)，while(當.時候；然而) when(當時候),not onlybut also(不僅而且),neithernor(既不也不), eitheror

7、(或者或者)練習：完成44頁第2部分, 請寫在下列橫線上1._2._3._4._5._【歸納】I. 改錯1. -Would you like to go to the concert with me? -Id love to, or I have a lot of homework to do.2. The little boy is only six year old, but he can make wonderful model cars.3. “Are you going to eat the ice-cream here or take them away?” asked the w

8、aiter.4. I like the music while he likes sports.II. 漢譯英1. 那個小女孩的父母決定呆在家里不出去了。 The girls parents have decided to stay at home _ out. 2. 你們是怎樣處理工業廢水的。 How do you _ the waste water from the factory?3. 保護環境和發展經濟同等重要。 _ is as important as developing economy.4. 她不但是位好老師，而且是偉大的作家。 She is _ a good teacher,

9、_ a great writer.5. 我哥哥善于騎馬，但是我不行。 My brother _ riding a horse，but I .SectionB【學習目標】1.學習用ought to提建議；2.從身邊小事做起，師生一起保護環境，做一個環保人。【預習案】一、 在文中找到并劃出下面的短語1.做一個環保人士_2.關(燈)_3.騎車_4.最好做_5.代替_6.乘公交車或打的_7.短距離旅行_8.節約能源_9.減少空氣污染_10.帶個布袋_11.Easier said than done._12.Actions speak louder than words._13.(你)自己種蔬菜和水果_

10、14.不要買一次性的杯子和盒子_15.減少浪費，回收塑料制品_16.重復使用紙張和水_4二、在文中劃出下面的句子并分析1.You ought to turn off the lights when you leave a room.譯：_點撥：ought to-應該，應當(情態動詞，無人稱，時態及數的變化) 表示責任, 義務或道義上應該語義同should注意：ought to的否定形式為ought not to do sth., 縮略形式oughtnt to疑問形式為Ought + 主語 + to do sth.? 肯定回答：Yes, 主 + ought. 否定回答：No, 主 + ought

11、 not. ought to 的反義疑問句中，附加疑問部分用ought或should疑問練習：a. We ought to be polite to the old. 譯：_b.你應該幫你媽媽做些家務活。You _ _ _ your mother _ some housework.c.你不應該在墻上畫畫。You _ _ draw on the wall.d.我應該立刻去澆花嗎？_ I _ _ the flowers at once? 2.Youd better walk or ride a bike instead of taking a bus or a taxi if you travel

12、 a short distance. 譯：_點撥：d better = had better 總結：had better (not) do sth. 最好(不)做某事 點撥：instead of代替，而不是 (介詞短語) 比較：take the place of sb. to do sth.= take sbs place to do sth.-代替某人做某事(動詞短語)練習：a.你們最好明天準時到這兒。You _ _ _ here _ _tomorrow. b.老人最好不要開車。_ _ _ _ _ drive cars. c.我將代替他參加運動會。I will _ _ _ the sport

13、s meet _ _ _. I will _ _ _ _ _ to _ _ _ the sports meet.d.昨天晚上我去看電影了沒有呆在家。I _ _ _ _ instead of _ at home_ _.【歸納】I. 用所給動詞的適當形式填空1. Some wild animals and plants are _(die) out because humans do harm to nature. 2.The whole society should _(care) for teenagers and old people.3.We should do something to

14、prevent Bird Flu _(spread) to human beings. 4.I hope we shall be friends and _(understand) each other. 5.The flood _(wash) away many farmers houses. 6.Why dont you _(throw) away these waste things?7.Would you mind my _(open) the door?8.What do you mean by _ (say) these words?II. 漢譯英 1. 大家理應保護我們的環境。

15、Everyone _ our environment. 2. 她寧愿買一輛新車也不愿修一輛舊車。 He would rather buy a new car _ repair an old one. 3. 他們正在把這些鐵罐分類，以便能夠回收。 They are sorting the cans _.4. 我認為回收廢紙不但保護環境而且能夠賺錢。 I think recycling waste paper _ protects the environment _ saves money. 5. 我們在學校能夠做哪些事情保護我們的環境呢？ _ can we do _ our environmen

16、t?6. 我們每天應盡量減少丟棄廢紙。 We should try our best to reduce _ every day.III. 按要求變化下列各句1. I borrowed this VCD a week ago. （同義句） I have _ this VCD _ a week.2. I have been at this school since three years ago. （對畫線部分提問） _ _ have you been at this school?3. He bought the book last year. （同義句） He has the book fo

17、r more than a year. 4. She (go) to America. She is not here. 5. We (lose) our dog yesterday, we cant find it. SectionC【學習目標】1.繼續學習由連詞or,and,but,和while連接的并列句；2.了解現代科學技術在環保方面的作用。【預習案】一、先查1a的生詞的意思，再讀短文，然后給每段選出合適的圖片，最后完成1b二、 在文中找到并劃出下面的短語4.produce power from coal_5.使用核能生產能源_6. 全世界的人_7.尋找新辦法_8.首批國家之一_9.使

18、用沼氣技術_10.制沼氣_11.動物糞便_12.在人們的日常生活中_13.在20世紀90 年代_14花費很高_15.被廣泛使用 _16.最著名的磁懸浮火車_17.達到最高時速_18.每小時431公里_19.更貴得多_20.傳統鐵軌_21.用盡、用完_ 22.被用來做某事_24.用太陽能發電_【探究案】 在文中劃出下面的句子并分析1.Some countries use nuclear energy to produce power. 譯：_點撥：use sth. to do sth.=use sth. for doing sth. -使用某物做某事 (be used to do/ for do

19、ing sth.)練習：a.在過去人們使用竹子寫字.People _ bamboo _ _ in th past. b.人們用風發電。People _ wind _ producing electricity.區別：還有一些介詞也可表示“用”，如：in，by, witha. You can solve the problem in this way. 譯：_ b.You can buy lots of things with the money. 譯：_ c.My father goes to the office by car. 譯：_3. The train can reach a top

20、 speed of 431 km per hour. 譯：_點撥：reach a speed of+具體速度 -達到某個速度鏈接：at a speed of + 具體速度-以某個速度, 可用high, low, full等形容詞修飾speed 。練習：a.北京至天津線火車時速達到每小時300千米。Beijing-Tianjin train _ _ _ _ 300 km per hour. b.我們以每小時30英里的速度前進。We were traveling _ _ _ _thirty miles per hour.5. It takes people just 7minutes to go

21、to the airport 30km away. 譯：_同義句：_6.However, maglev guide paths are much more expensive than traditional steel railways.譯：_點撥：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前加表數量的詞。練習：a.Dont go by plane. Its a lot more expensive. 譯：_ b. His illness is far more serious than we thought. 譯：_ c. It

22、s a little colder today than it was yesterday. 譯：_ d. It was cold yesterday, but its even colder today. 譯：_ e. My sister is two years younger than me. 譯：_【歸納】【課后鞏固】I. 漢譯英1. 地球百分之七十被水覆蓋。 _ the earth is covered with water. 2. 當你離開房間的時候，應當關上窗戶并鎖上門。 You _ close the windows and lock the door when you lea

23、ve the room. 3. 如果大氣被污染，就可能下酸雨。 If the air _, it may rain _. 4. 你幫我學英語真是太好了。 _ to help me with my English. 5. 睡覺占去了我們許多時間。 Sleeping _ our much time.6. 他想去西湖而不去購物。 He wanted to go to the West Lake _ shopping. II. 完成下列同義句變化1. Johns grandmother died ten years ago. Johns grandmother has been _ _ ten yea

24、rs. 2. He didnt want to miss the first bus, so he got up early. He got up early _ he could catch the first bus. 3. None of the sweaters in that shop is the right size for me. The sweaters in that shop are _ too big _ too small for me.4. Do remember to lock the door when you leave. _ you lock the doo

25、r when you leave. 5. My sister is not old enough to join the army. My sister is _ to join the army.6SectionD【學習目標】1.總結并列句的用法；2.繼續學習和拓展環境保護的話題。【預習案】 在文中找到并劃出下面的短語1.森林是地球的肺_ 2.吸收二氧化碳_3.沒有他們_4.面臨許多困難_5.植樹者在改變世界 _6.不同種類 _ 7.盡管，雖然 _8.medium green _9.bright green _10.停止努力_11. pale green 【探究案】 在文中劃出下面的句子并分

26、析They are trying to do what they can to protect the environment. 譯：_點撥： 此句中what they can 做do 的_語；to protect the environment做句中的_狀語。練習：a.我們一定要力所能及地去幫助別人。譯：_ b.他們竭盡所能解決了那個難題。譯：_寫出下面動詞的過去式-過去分詞8say-_-_see-_-_sell-_-_send-_-_set-_-_shake-_-_shine-_-_show-_-_shut-_-_sing-_-_sink-_-_sit-_-_sleep-_-_smell-

27、_-_speak-_-_話題測試Unit 2 Topic 3一、 詞匯：(A)根據句意和首字母，填入所缺的單詞：1. The three Rs are r_, r_ and r_.2. Plastic bags can be r_. 3. E_ said than done.4. The Maglev Train is very q_, fast and very c_.5. Wind is used for p_ electricity in many places.(B)根據漢語意思，填入所缺的單詞：1. You _ _(應該)turn off the lights when you le

28、ave home.2. Everyone _ _ _(應該) protect the environment.3. We should use _ _ _ _(紙的兩面)4. Would you mind _ _(關掉)the lights when you leave here?5._ _ (務必)everyone can get here _ _(按時)6. Before you put them into the dustbin, please _ _ _(分類垃圾)(C)從方框中選擇正確的詞或詞組，并用其適當形式填空： get used to, strong, care for, sa

29、ve, harm, in danger of 1. We are trying _ endangered( 瀕臨滅絕的) animals.2. The old man _ walking after supper every day.3. Everyone should _ the old and the disabled.4. The wind blows more and more _5. Pollution is _ to our health.6. Some animals and plants are _ disappearing.二、重點語法和句型：并列句結構：_(A)用or, a

30、nd, so, while, but, not onlybut also填空：1. Work hard, _ youll fail the exam. 2. I help her _she helps me.3. The old man is very old _ he is in good health.4. Tom was hard-working, _Lucy was lazy.5. _ Tom _Lucy likes studying English.6. He got up very late this morning _ he was late for school.(B)選擇填空

31、：( )1.Hurry up, _youll be late. A. and B. or C. but D. when( )2. He is rich, _hes unhappy. A. and B. or C. so D. but( )3. Not only he but also I _ good at skiing. A. am B. is C. are D. be( )4.-Would you like to go to the concert with me? - Id love to, _ Im ntoo bus y. A. or B. but C. so D. and三、選擇填空

32、：( )1.I bought a new book and it _ me 30 yuan. A. paid B. spend C. took D. cost( )2.Youd better ride a bike instead of _ a bus. A.take B.to take C.taking D.took( )3.My job is _ English for children. A. teach B. teaches C. taught D. to teach( )4.-_ do you eat fast food? - Seldom. A. How long B. How often C. How D. How soon( )5.Youd better _ litter here and there. A. throw B. to throw C.not throw D.not to throw( )6.The big table _ much room. A. takes up B.