【導讀】本單元通過讀聽說寫。系列活動使學生了解環(huán)境方面存在的問題及解決辦法。了解地球變暖、溫室效應、瀕危動物、自然災害、環(huán)境污染、噪音污染等問題，在當今時代，日益惡化的環(huán)境告誡人們：環(huán)境保護事業(yè)與全人類生存休戚相關。本單元的教學旨在激發(fā)同。學們的環(huán)保意識，號召人人為保護環(huán)境做出貢獻，讓人們永遠生活在美好環(huán)境中。和內(nèi)容，明確了學習方向。內(nèi)容涉及環(huán)境方面存在的問題及拯救瀕危動物的建議。

　　

【正文】 third time so that the students can correct the false statements. T: After learning about some information of WWF, let’s listen to a news report. First please read the statements and try to guess what the report is about. Students are given two minutes to read the statements. Then play the recording for students to listen. If necessary, play the recording again so that they can decide if the statements are true or false. Deal with Ex 3amp。4. Ask students to work in pairs and list 5 animals which are most endangered in China. Then discuss what you can do to protect them. Five minutes later, ask some pairs to present their results to the class. T: Wild plants and animals are increasingly threatened by population explosion and economic development. As a result, many animals and plants, especially the rare and endemic species, as well as those of great economic value, bee endangered and threatened. As we know, panda was chosen as the logo of WWF in 1961, for it is endangered. What other animals are also endangered in your opinion? Please work in pairs and list 5 animals which are most endangered in China. Discuss what you can do to protect them. Five minutes later, you will be asked to present your result. You can refer to the following chart. 類別 category 中文名 Chinese name 英文名 English name 爬行類 reptile 龜 tortoise 鱉 softshelled turtle 蛇 snake 哺乳類 /獸類 mammal/beast 穿山甲 pangolin scales 熊 bear 虎 tiger 豹 leopard 犀牛 rhinoceros 麝 /獐 musk deer / river deer 鹿 deer 羚羊 antelope T: OK, who would like to tell us what animals are endangered in China? And what you are going to do to help save them? S1: Chinese Alligator (Alligator sinensis) an endangered species but successfully bored in captivity in a breeding center located in Anhui Province。 wild population has increased in reserves too. The Giant Panda, Golden Monkey, Takin, Chinese Alligator, and Manchurian Tiger are endangered animals in China. Chinese have been trying to preserve them. The giant panda of China has bee the unofficial symbol for wildlife protection. But in spite of widespread publicity for the plight of the panda and over 20 years of international conservation work, the panda is still listed as one of the most critically endangered of animals. We should protect their inhabitant. Although zoos in China are administered by Urban Construction Department with longstanding efforts in planning and education, more attention has been given to research on breeding and reproduction of rare and endangered animals, and studbooks of certain species are now being established. In fact, reproduction and artificial insemination of Giant Panda succeeded in the 195039。s and 197039。s respectively. Moreover, captive breeding of certain species has also proved promising, such as Manchurian Tiger, South China Tiger, Lesser Panda, Clouded Leopard, Golden Monkey, cranes, earedpheasants, Chinese Alligator, etc. Meanwhile we should build a number of breeding farms for wild animals. S2: Rhinoceros horn. Excessive rhino hunting means that the rhino population today is only a tenth of what it was fifty years ago. Tigers: different species have been hunted for their bones and skins in China and the Chinese government has made law against tiger hunting. Musk deer, the Chinese alligator and various orchids: these only exist in China and are on the brink of extinction. Native bears: all five types of bears native to China are highly endangered. Excessive hunting of bears for their gall bladder and bile has caused their numbers to dwindle. The government should make sure everyone is aware the importance of saving the endangered animals. Everyone should take action to protect the endangered animals from being harmed. ... Step VI Homework 1. Go over the vocabulary in Unit 22. 2. Make a survey on how students e to school.