2. Unit 10 The World Around Us

3. 1. use…for/as/to do 3. endanger 6. take turns (at/in) doing sth 2. in danger/ out of danger 5. die out 4. make sure eg: The three brothers took turns at/ in looking after their sick mother. do sth one after the other to disappear completely eg: This kind of animal is dying out. to find out for certain eg: I use my bike for shopping. eg: You’d better make sure of the time and place. put sth in danger eg: Smoking endangers your health eg: His life was in danger eg: She made sure that turned off the light. eg: He uses the as a bookmark. eg: I use the knife to cut the apple.

4. tiger panda Tibetan antelopes birdelephant zebra

5. Listening Step 1 Pre-listening a. Question: How many kinds of pollution do you know ? b. New words from the listening material drainage plastic soda negative valley Step 2 While-listening a. Listen for the first time ( grasp the general idea) b. Listen for the second time ( fill in the blanks) c. Listen for the third time( check their answers) 下水道 塑料 苏打 not good 山谷

6. Listening 1 2 3 What kind of pollution is it ? What are the causes? What are the effects? Look at the causes and effects they have written down. Let them discuss what we can do to solve the problems in groups of four. Each group can choose one kind of pollution and think of as many solutions as they can. Air pollution Water pollution Rubbish pollution Cars, factories, burning coal and oil Factories and drainage Tourists or people Any reasonable answers are possible We can’t use or drink it Make the place ugly, dirty and dangerous

7. 1. Walk along the streets of any major city and you will see that the air you breathe is not very fresh. Air pollution is a serious problem in many of the world’s big cities. It is caused by cars and factories. We also pollute the air when we burn oil or coal for energy and heat. 2. Oh my, look at this! Dead fish everywhere! What happened? We used to be able to drink the water in our rivers and lakes, but today, many rivers and lakes have been so polluted that the water is useless. Factories and drainage are polluting the water and we Listening Text 沿着 … 走

8. are not taking good care of our water. We use too much water and we waste water. What is more, we pollute water. 3. This beautiful mountain is one of the most popular places for people to visit during holidays and festivals. Thousand of people come here to hike in the mountain’s forests and valleys. Unfortunately, the tourists leave a lot of rubbish behind. Plastic bags, soda bottles and other things are thrown everywhere. Many tourists also pick flowers and damage the trees, and the many hotels and restaurants being built are having a negative effect on the environment, too. Listening Text

9. useful expressions Why…? Because/As/Since Because of…,I… If…,then… As a result of … It follows that … It will cause … It will lead to …

10. problemWays to deal with causesWays to deal with effects Air pollution Water Pollution Waste pollution We can make cars that don’t pollute the environment. We can ask companies to use modern, clean technology. We can limit the number of cars in our cities. If people get sick from air We can try to use less water and make sure that we do not pollute the water. We can tell factories that they are not allowed pour waste into lakes and rivers. We can clean the water in our rivers and lakes. We should not throw rubbish in parks and cities. We should not buy things that use a lot of packaging. We can pick up rubbish if we see it. We can put more rubbish bins in our parks and cities. We’d better carry a plastic bag with us.

11. Speaking: Mr Zhao Zhongxiang is interviewing a tiger. Help me! Help me! 1. Where did you live before they brought you to the zoo? 2. How long have you been living in the zoo? 3. Do you prefer living in the zoo or living in the jungle( 荆棘 )? Why? 4. If you could say something to all humans, what would you tell them?

12. Homework: