Lesson Ten The world around us 达县职业高级中学：熊小强

What’s this?

Tibetan antelope

1.Do you know of any other endangered animals? Why are they in danger? Some questions: 1.Do you know of any other endangered animals? Why are they in danger? Pangolin,rhinoceros,golden monkey,elephant,Chinese alligator,jackal,and so on. They are in danger because people have killed too many of them and their habits have been destroyed by human beings.

2.Why is it important to make sure that animals do not die out? If animals die out,our ecosystems will be destroyed and we human beings will die out 3.What can we do to help endangered animals. We can stop people cutting too many trees,killing animals and polluting rivers.We can tell people to protect the environment from now on.

Listening: Fill in blanks. 1.Walk the streets any major city and you will see that the you breathe is not very .Air . is a serious problem in many of the big cities.It is caused by and .We also pollute the air when we oil or coal for energy and heat. alone of air fresh pollution World’s factories cars burn 2.Listen to the tape and answer the qestions? What kind of pollution is it? Water pollution

Factories and drainage What are the effects? What are the causes? What are the effects? We can’t use/drink the water that is polluted. 3. What kind of pollution is it? Waste pollution Rubbish/trash What are the causes? Tourists/people What are the effects? Making the environment ugly,dirty and even dangerous.