譯林版必修5 Unit 2 The environment Project教案.doc

unit 2 the environment教案projectrevisiontranslation：language focus in tasklead-in1. show the students pictures of the yangtze river. then ask them questions.2. do you like the yangtze river?3. why is it important in our country?competition:4. lets divide the class into four groups. then try your best to tell about the yangtze river as much as possible. the group which has the most ideas will be the winner.group a: .group b: .group c: .group d: .brain stormbasic knowledge about the yangtze river:1. how many provinces does it run across? (qinghai, tibet, sichuan, yunnan, hubei, hunan, jiangxi, anhui, jiangsu)2. how long is the yangtze river? (about 6300kms)3. please give the names of the three longest rivers in the world? (the amazon river, the river nile, and the yangtze river)4. where is the source of the river? (it starts from qinghai-tibet plateau)5. what are the three gorges? (the qutang gorge, the wu goege, and the xiling goege)6. would you say something about them?7. where is the three gorges dam? ( yichang, hubei)8. how long is the three gorges dam? how high? (3035 metres, 185 metres)9. please give the names of the bridges over the river as many as you can (武漢、重慶、蕪湖、江陰、潤(rùn)楊、銅陵、南京1、2、3，蘇通、崇啟)10. why do you think we build so many bridges across the changjiang river? (to make the transportation more convenient and help develop economy)11. please give the names of the rare fishes in the river as many as you can. (saury刀魚，chinese sturgeon中華鱘，white-flag dolphin白鰭豚)12. please give the names of famous cities along the river as many as you can (a, b, c, d, e, f, .)readinga. read the passage quickly and answer some questions:1. why do the environmental problems of the yangtze river draw peoples attention at home and abroad?(because it is the third longest river in the world and home to a diverse range of fish and animals while many people depend on it for drinking water.)2. what has caused the pollution of the yangtze river?(rapid agricultural and industrial development plus huge population growth has resulted in the rising amount of water taken from the river, and the waste being put back into the river.)3. what bad effects has it had on the ecology of the area?(unsafe drinking water which has led to healthy problems for people living near the river and killing many plants and animals.)4. what have been done to deal with the problem?(environmental organizations and projects have been set up to deal with the problem.)5. what has the green river organization done?(it educates and advises people on the importance of protecting this great river. it watches the river. it stops the illegal hunting of animals.)6. what has the government done to deal with water and soil preservation?(two special government projects are also under way to protect the river, which work out possible solutions to the many problems, such as the water and soil preservation. result in farmers replacing the crops on their farmland with trees or grassland, and set up a nature reverse for white-flag dolphins)7. what has the government done to save white-flag dolphins?(the reserve was set up on the lower reaches of the river in zhenjiang. boats are prohibited from entering this area in order to keep the dolphins safe.)8. what is the good news for the river?(people have finally realized that it is their responsibility to protect this great river)b. fill in the formproblems1. unsafe drinking water which has led to healthy problems for people living near the river. 2. harmful effects on the ecology of the area, killing many plants and animals.3. endangered the wild animal population.causesrapid agricultural and industrial development plus huge populationgrowth has meant that not only is the amount of water taken from theriver rising, but the waste being put back into the river has also beenincreasing.measuresset up environmental organizations and projects to deal with the problem what have been done?1. the green river organization educates and advises people on the importance of protecting this great river. watches the river. stops the illegal hunting of animals. 2. government projects work out possible solutions to the many problems, such as the water and soil preservation. result in farmers replacing the crops on their farmland with trees or grassland. a nature reverse for white-flag dolphinsc. language pointsnow we are familiar with the passage, let me explain some key language points for you.1. raise: 引起；造成e.g. his absence raised fears about his safety. 他的不在引起人們對(duì)他安全的擔(dān)心。the use of animals in scientific tests raises some difficult ethical questions.用動(dòng)物做科學(xué)試驗(yàn)引起了一些棘手的道德問(wèn)題。a funny remark raises a laugh. 滑稽的話惹人發(fā)笑。2. plus: 加, 加上, 和e.g. three plus two equals five. 三加二等于五。this work requires intelligence plus experience. 這項(xiàng)工作需要才智和經(jīng)驗(yàn)。i found myself plus nearly 100 yuan. 我多得了近一百元。all the children here are 12 plus. 這里所有的孩子都大于十二歲3. neither / nor / no / never: 也不e.g. it is neither hot nor cold in winter here.這里冬天既不熱也不冷。there is neither river nor stream nearby.附近既無(wú)河流也沒(méi)小溪。he does not do it, nor does he try.他沒(méi)有做, 也沒(méi)嘗試一下。she cant get there at four, nor can i.not a man nor a child was to be seen in the village.i never saw him again, nor did i hear from him.4. recognize 認(rèn)出,認(rèn)清, 認(rèn)識(shí)到e.g. i recognized peter although i hadnt seen him for 10 years. 雖然我有10年沒(méi)看到彼得了，但我認(rèn)出了他。i dont recognize this word what does it mean? 我不認(rèn)識(shí)這個(gè)單詞，它的意思是什么？many fail to recognize that all these things are in danger of being denied.許多人沒(méi)有看到這一切正處于失去的危險(xiǎn)之中5. under way: 在進(jìn)行中, 發(fā)生; 在航行中e.g. preparations are well under way 準(zhǔn)備工作正在開(kāi)展6. focus on使集中于焦點(diǎn)；集中e.g. to focus ones mind on work 集中精力于工作 you must try to focus your mind on work and study. (喻)all eyes were focused on the speaker. (喻)7. endanger 危及，危害e.g. the polluted air in the city is badly endangering the health of the residents. buying speculative stocks endangered her financial security.購(gòu)買投機(jī)性股票而使她在金融方面冒風(fēng)險(xiǎn)8. be home to / of: 是的家園、棲息地 e.g. wolong is home to pandas. australia is home to / of many unique animals. oceans are home of whales.9. a range of: 一系列的e.g. a range of buil