【正文】 shark fins are good for health. 5) We should help save the sharks. 1. 現(xiàn)在進(jìn)行時(shí) : Present Progressive 定義：表示說話時(shí)（瞬間）正在進(jìn)行的動(dòng)作，也表示目前或現(xiàn)階段一直進(jìn)行的動(dòng)作。 be used to doing sth. 表示習(xí)慣于做某事。 結(jié)構(gòu)： be + 過去分詞 . A new school was built last year. Our classroom is cleaned every day. 4. 現(xiàn)在完成時(shí) : Present Perfect 定義：表示動(dòng)作已經(jīng)完成 , 但對(duì)現(xiàn)在造成影響 。 結(jié)構(gòu) : has/have + 過去分詞 標(biāo)志詞： already, yet, ever, never, since, for… . I haven’t finished my homework yet. 5. 情態(tài)動(dòng)詞 1) 情態(tài)動(dòng)詞本身有一定的詞義，表示說話人的情緒、態(tài)度或語氣 ，但不能單獨(dú)作謂語，只能與其他動(dòng)詞構(gòu)成謂語。 2) 情態(tài)動(dòng)詞無人稱和數(shù)的變化 , 后接動(dòng)詞原形。個(gè)別情態(tài)動(dòng)詞有過去式形式 , 可用來表達(dá)更加客氣、委婉的語氣。 turn off the lights when you leave a room。 ride your bike or walk to school or work。 recycle books and paper … 4. Discussion. A: I think that everyone should use public transportation. B: I disagree. It’s difficult for parents with young children to use public transportation… IV. Language points 1. We can’t afford to wait any longer to take action! afford v. 承擔(dān)得起；提供 , 給予 afford to do sth. (常與 can, be ble to 連用 ) 買得起；有足夠的 …… . We can’t afford to pay such a price. 我們付不起這個(gè)價(jià)錢。 2. …save electricity by turning off the lights when you leave a room. turning off 關(guān)掉 . Please turn the television off before you go to bed. 睡覺前請(qǐng)關(guān)掉電視。 Stop riding in cars。 Recycle books and paper. Turn off the shower while you are washing your hair. You can help reduce pollution by putting that soda can in a different bin. Don’t use paper napkins. (2)What can we do to help save the earth? Rank these items from the easiest (1) to the most difficult(5). (1a) ______stop riding in cars ______recycle books and paper ______turn off the lights when you leave a room ______turn off the shower while you are washing your hair ______don’ t use paper napkins (3) Compare your answers in 1a with your partner. III. Listening 1camp。 especially old jeans bags Wang Tao iron (n. 鐵 ) and other materials from old cars beautiful art pieces (3) Read paragraph 2 and answer the questions. ① Did she win an award? What was it from? ② Where did her windows and doors e from? ③ What does the sentence “she lives in a house in the UK that she built herself out of rubbish” mean? Keys: Yes, she did. It was from the Help Save Our Pla Society. They came from old buildings around her town that were pulled down. 她住在英國(guó)，房子是她自己用廢棄物建造而成。 VI. Language points you often throw away things you don’t need anymore? 1) throw away 扔掉，丟棄浪費(fèi) (機(jī)會(huì)、優(yōu)勢(shì)或好處 ) . I never throw anything away. 我從來不扔任何東西。 3) 浪費(fèi) (時(shí)間、金錢等 )亂花 (錢等 ) . It will be time and money thrown away. 這將是浪費(fèi)時(shí)間和金錢。 3. She lives in a house in the UK that she built herself out of rubbish. build/make ... out of 用 …… 建造 /制造 . He built a model ship out of wood. 他用木頭造了個(gè)模型船。 4. The top of the house is an old boat turned upside down. turned upside down 意為 “被翻轉(zhuǎn)過來的；被顛倒過來的 ”，做后置定語修飾 boat。 The lid, turned upside down, served as a coffee table. 那個(gè)蓋子被翻過來當(dāng)作咖啡桌。 be made of 常常表示原材料未發(fā)生化學(xué)變化，從成品中仍可看出原材料；而 be made from常常表示原材料經(jīng)過化學(xué)變化，從成品中看不出原材料。 This kind of wine is made from wheat. 這種酒是用小麥制成的。 He is known to the police as a thief. 對(duì)警察來說是一個(gè)小偷。 7. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity (n. 創(chuàng)造力 ). bring back 恢復(fù)；使想起；歸還 not only ... but (also) ... 表示 “不但 …… 而且 ……” 。例如： Not only did my aunt teach at school, but (also) she wrote articles for newspapers. 我阿姨不僅在學(xué)校教書而且還給報(bào)紙寫稿。 put to good use。 set up。 not only。 creativity inspire – inspiration 1. Rethink, Reuse, Recycle ! re是最常用的前綴之一。 re表示以下三方面的意義： 1)表示 “回 ”或 “向后 ”的意思。 例如： rethink（再思考） reuse（再運(yùn)用） restart（重新開始） recycle （再利用） 3)表示 “相反 ”、 “反對(duì) ”的意思。第二，表示 “反動(dòng)作 ”。 例如： uneconomic 不經(jīng)濟(jì)的 unfortable 不舒服的 unending 無盡的 unfortunate 不幸的 unusual 不平常的 unkind 不仁慈的 unbind 解開，釋放 uncover 揭開 …… 的蓋子 unearth 由地下掘出 unbutton 解開鈕扣 3. Nothing is a waste if you have a creative mind. ive 是形容詞后綴 一般表示有 ......的 create ﹢ ive = creative 4. Amy recently won a prize from the Help Save Our Pla Society. recent ﹢ ly = recently 形容詞加 ly 變副詞 5. Amy is an inspiration ( ) to us all. 后綴 tion 附在動(dòng)詞后面構(gòu)成名詞 1)當(dāng)單詞最后是 t, d, te, de 時(shí)，變名詞加 tion 或者 ation, ition； 2)當(dāng)單詞最后是元音字母時(shí)，變名詞加 sion 等。 7. The theme park to show people the importance of environmental protection. importance 是 important 的名詞。 protect ﹢ ion = protection VIII. Discussion 2e Make a list of things that need to be done to save the environment. Which things can be done by mon people every day? Which things have to be done by governments and anizations? Discuss these with your group. Keys: Things which can be done by people every day: ? take your own bags when you go shopping ? spend less time in the shower ? turn off the lights when you leave a room ? take public transport rather than drive ? avoid using air conditioners Things which have to be done by governments and anizations: ? educate the public ? ensure that factories get rid of waste in a responsible way ? preserve the forests ? preserve endangered species ? not allow activities that seriously endanger the environment IX. Homework Survey the students in our class. Then take a class vote. Do you… Names recycle paper? turn off lights in the house? … Section B 2 (3aSelf Check) I. Revision (1) Write down these phrases. 停止乘小汽車 回收紙 用紙巾 好好利用 用垃圾建造房 倒置 經(jīng)營(yíng)小生意 回復(fù)，歸還 舊玻璃瓶 拆下 一個(gè)有創(chuàng)意的大腦 開一個(gè)小店 更受歡迎的作品 給他人帶來歡樂 (2) Talk about 2b with your partner. II. Presentation (1) What should we do to save the earth? Turn off the lights when we leave a room. Take our own bags when shopping. Ride a bike. Recycle paper. Don’t use paper napkins. (2)