Animals and plants. 1 Listen and repeat. 2 Listen and read. Then answer the questions. Mr. Hai is a farmer. He has some C Man and the environment Questions a) How much rice does Mr. Hai produce? b) Does he produce any vegetables? c) How much fruit does he produce? d) How much milk do his cows produce? e) How many eggs do his chickens produce? e A4 Listen and read.The population of the world is growing. More people need more food. More people need more land. We are cutting down the forests. Farmers are burning the forests. They need more fields. We are destroying plants and animals. These Asian animals are in danger.5 Answer the questions using because.Example Why does the world need more food? Because there are more people.a) Why do we need more land? b) Why do farmers burn the forests? c) Why are these Asian animals in danger?6 Remember.Some eggs some rice a lot of eggs a lot of rice a few eggs a little rice Why …?168 Unit 16: Man and the environmentB Pollution1 Listen and read. Then answer the questions.What are we doing to our environment? We are destroying the forests. We are destroying wild animals and plants. We are wasting too much water. We are burning too much coal, oil and gas. We are wasting too much power. This is polluting the air with gases. We are producing too much trash. This is polluting the land, the rivers and the oceans.169 Questionsa) Why are wild animals and plants in danger? b) What is polluting the air? c) Where does the pollution come from? d) What is polluting the land, the rivers and the oceans?2 Listen and read.We can help the environment by following these rules.X DON’T / DO a) Don’t throw trash on the street. e) Keep off the grass. b) Don’t pick flowers. f) Save water. c) Don’t damage trees. g) Collect paper.d) Don’t throw trash in the country. h) Collect bottles and cans.Now match the rules with these signs.170 Unit 16: Man and the environment★3 Play with words.When you don’t need a laht, Don’t pick wild flowers3MitzGh ht Off; Leave them. When you see a dripping faucet, Don’t leave your trashl ፐurrገ ዘt Off? Pick it up, Don’t damage treeel Paper, cans and bottles, Fant them, Collect them.4 Listen and repeat.Lan: We shouldn’t leave our trash.Ba: What are we going to do?Nga: Put it in a trash can. Nam: There aren’t any trash cans.Lan: Then we should put it in a bag and take it home.171 5 Practice using should and shouldn’t with a partner. Write rules for the pictures.Examplea) We should not leave trash.6 Listen and read. Then answer the questions.In Viet Nam, we recycle many things. We collect waste food and feed it to pigs. We collect empty bottles and cans and recycle them. We collect waste paper, scrap metal and old plastic and recycle them.Factories in Viet Nam use all these things.172 Questions a) In Viet Nam, what do we collect and recycle? b) What do we do with waste food? c) What do factories do with waste and scrap? d) Do you collect things? e) What do you collect? Remember. Save water. We should save water. Don’t waste water. We shouldn’t waste it. too much