2. Unit 1 It’s wasteful to throw away paper and metal.

3. Air has been polluted because factories produce electricity and energy for human being every day. Please describe them

4. 1.Waste glass and paper are thrown away everywhere. 2.Rivers and oceans have been polluted by dirty water and oil. Plenty of fish have been dead.

5. 1.We use large numbers of mobile phones and drive all kinds of cars. We waste a great deal of metal and Human being are harmed by rays and exhaust. 2.White rubbish are around us. It affects our health and destroy our soil.

8. 1. We should save electricity and energy. 2. We should collect the glass and paper and make them recycle. 3. We try our best not to use mobile phones. 4. We should have a car pool to reduce air pollution. 5. We should plant more trees, not to cut them down. What on earth should we do?

10. air electricity energy factory glass metal ocean paper pollution protect recycle throw away Listen to the tape and review words.

11. Things we should do for environmental protection Things we shouldn’t do for environmental protection Listen and complete the table with the notes below.

12. a. Throw away glass, paper and metal b. Collect waste c. Sell waste for recycling d. Turn lights off e. Waste electricity f. Protect the air and oceans

13. Things we should do for environmental protection Things we shouldn’t do for environmental protection b; c; d; f a; e

14. 1. How did Zhao Ming feel when he read the article? 2. What is a green school? Answer the questions. He felt it was enjoyable. The students and teachers of a green school are careful about the environment.

15. 3. Why is it wasteful to throw away glass and paper? 4. What happened if we don’t turn off lights? Because they can be sold and recycled. We waste electricity.

16. 1. Hey, you guys! Guess what! 喂，伙计们猜猜 2. at a green school. 在环保学校 3. be careful about/of sth. 对某事仔细认真 4. collect reusable waste 收集再利用的费品 5. sell sth. for recycling 卖某东西再循环 6. raise money 捐款 7. save energy/ waste electricity 节能 / 费电 Key phrases

17. Complete the sentences. 1. Zhao Ming first saw New Standard while he was doing his homework on favourite books. they are going to write about environmental education. 2. Zhao Ming wants to know when

18. 3. In a green school everyone agrees we must be careful with environment / help save our world. 4. We can save our world if everyone thinks about pollution and recycling.

19. enjoy environment care waste reuse hope Complete the sentences with the correct form of the words in the box.

20. 1. Cycling to school is both ________ and environmentally friendly 2. You really need to be ______ with things bad for the environment. enjoyable careful

21. 4. Everybody can do a little bit to help with _____________ problems. 5. It is _______to throw away the _________ shopping bags. 6. Scientists are _________ about new ways to save energy. environmental wasteful hopeful reusable

22. Things we should do Things we shouldn’t do Work in pairs Work in pairs Collect waste Sell waste for recycling turn lights off Protect the air and oceans Throw away glass, paper and metal Waste electricity

23. Exercises 请用括号中所给单词的正确形式填空。 1. It is a shame to be so _______ (waste). 2. Many fish have died because of water ________ (pollute). 3. This magazine has over 200,000 _______ (read). wasteful pollution readers

24. 4. I want to get some information about _____________ (environment) problems. 5. __________ (thousand) of trees were planted last year. Thousands environmental

25. 请根据汉语意思完成英语句子, 每空一词。 1. 那个标志警告儿童上学途中要小心汽车 。 The sign warns kids to ___________ ______ cars on their way to school. 2. 记得别把车票扔掉。 Remember not to __________ the tickets. be careful of / about throw away

26. 3. 他不介意, 事实上, 他甚至很高兴。 He doesn’t mind. ______, he is even pleased. 4. 我认识他们当中的很多人, 例如约翰、 彼得和汤姆。 I know many of them, ______ John, Peter and Tom. 5. 睡觉前我把电视机关掉了。 I _________ the TV before I went to bed. turned off In fact such as

27. 1. Act out the dialogue with your partners. 2. Look at the pictures in Activity 9 to say what you should do. Homework