【正文】 The two girls ____ ____ ____ to me when they saw me. ,例如澳大利亞和加拿大。 We must fight against air pollution in our city. main adj. 主要的 在大城市，空氣污染是一個主要問題。 1. You are a great doctor. Thank you for s______ my life. 2. Can you i______ a world without air? 3. Don’t go into the room. There is bad g______ in it. 4. Eating too much sweets is h______ to our teeth. 5. I will d______ the problem with you this afternoon. 6. If you don’t understand, I’ll give you another e______ . aving magine as armful iscussxample Review the text Repeat the text after the tape. produce against furniture convenient major Imagine if we don’t protect the trees, What will happen? If we don’t save the trees: Our environment will bee bad such as air pollution. Lead to disaster such as sand storm and typhoon. People will get the disease. In a word, do not save the trees is polluting the earth and our home. If we love trees, protect environment. Our environment will bee better and better. Trees are good for our health. ? Plant more trees and cut less trees. (多植樹 ,少砍樹 ) ? To promote the protection of trees approach. (向身邊的人宣傳保護樹的 方法 ) What should we do to save the trees? ? When you write can use both sides of paper. (當你寫的時候可以用紙的 兩面 ) ? Not to use disposable wooden products (不用一次性的木制品 ) ? Don’t strip the bark and not scribble carving on the trees. (不剝樹皮 ,不能在樹上亂涂 亂刻 ) Try to find out some collocations from the article as many as you can. 1. know about 2. in many ways 3. take in 4. in our daily lives 5. e from 6. for example 7. in fact= as the matter of fact 8. look around 9. be made of 10. cut down 11. millions of 12. stop doing sth. 1. 了解 2. 在很多方面 3. 吸收 4. 在我們的日常生活中 5. 來自 6. 例如 7. 事實上 8. 環(huán)顧 9. 由 ……制成 10. 砍伐 ；數(shù)以百萬計的 12. 停止做某事