3. 皮毛；毛；软毛 西藏的 (adj) ；西藏语 (n) 羚羊 在危险中；垂危 危害；使受到危害 灭绝；逐渐消失 作为（ … 的）结果 领导；率领（ vt ）通向 （ vi ）领头的（ adj ） 导致某种结果 fur Tibetan antelope in danger endanger die out as a result of lead lead to Well done !

4. elephants

5. golden monkeys

6. kangaroo

8. tiger

9. fur

10. a bone of tiger

11. Tibetan antelopes

12. be hunted for their wool

14. panda

15. 1. Do you know of any other endangered animals? Why are they in danger? 2. Why is it important to make sure that animals do not die out? 3. What can we do to help endangered animals?

16. Listening: 1: Walk along the streets of any major city and you will see that the air you _____ is not very ______._____ ______is a ______ problem in many of the world’s big cities. It is _____ by _____ and _________.We also _____ the air when we ______oil or ____for energy and _______. breathe fresh Air pollution serious caused cars factories pollute burn coal heat

17. 2: Oh my,look at this ！ ________ fish everywhere ！ What happened ?We ___ ___ be able to drink the _______in our _______ and ________.But today,many rivers and lakes have been so ______ that the water is ________._______ and drainage are________ the water and we are not ____ _____ ____ of our water.We use too much water and we ______ water. What is _______, we ______ water. Dead used to waterrivers lakes polluted useless Factories polluting taking good care waste morepollute

18. 3This beautiful _________ is one of the most ______ places for people to ____ during ____. and _______. ________ of people come here to ____in the mountain’s _______ and _________ Unfortunately,the ______ leave a lot of _______ behind.___ _______, soda ____ and other things are ______ everywhere.Many tourists also _____ _____ and ____ the trees, and many _______ and _________ being built are having a ______ ______on the _________ too. mountain popularvisit holidays festivals Thousands hike forests tourists rubbish Plastic bags bottles thrown pick flowers damage hotels restaurants negative effect environment valleys

20. 1: How do we deal with the causes? 2: How do we deal with the effects?