1、精選優質文檔-傾情為你奉上單元寫作小專題&Section B(3a3b)【單元寫作目標】 能描述地球的環境問題、原因及解決問題的建議。 1. 能用“used to，at present，however”等詞來描述當今的環境變化； 2. 能用 “I think we should /I suggest that /We'd better/We could/It's a good idea to”等句型來提出解決環境問題的建議。一、語言積累(一) Environmental problems and reasons:根據句意及漢語提示完成下列句子。1. The river

2、used to be clean，but now the _ (底部)of the river is _ (充滿 著)of _ (垃圾).2. People are _ (亂扔)rubbish in the river and factories are _ (倒入)waste water into the river. That's why the river becomes dirtier and dirtier. As a result，there is no more fish for _ (漁民)to catch.3. A lot of _ (工業的)waste water

3、comes from the factories.4. People use a large number of _ (塑料)bags every day. People are _ (扔)those bags everywhere. This turns the beautiful cities into _ (丑陋的) ones. What's worse，they also pollute the earth.5. The factories that burn _ (煤)pollute the air with a lot of black smoke. The air _ (

4、污染)is getting worse and worse.6. At present，planes are widely used in our daily life，which，however，makes a lot of _ (噪音).7. Many animals are endangered because of the _ (殘酷的) hunting.8. We aren't able to see stars in the sky just like before. The problem is that people use too much _ (燈光).And it

5、's also _ (有害的)to the environment.9. Many things we used may be thrown away and we hardly ever _ (再利用)them.10. We use nice paper to wrap (包裝)the present. Do you think the nice paper is _(必 要)or not?(二) 請將以上的環境問題進行分類，將序號填入以下相關的污染類別后。A: air pollution_B: noise pollution _C: water pollution _D: wast

6、e pollution _(三) 以下行為會導致哪些污染，請從(二)里選擇。( ) 1. black smoke( ) 2. the horn(喇叭)( ) 3. washing clothes in the river( ) 4. smoking cigarettes( ) 5. use throwaway chopsticks(四) Solutions:根據句意及首字母或漢語提示完成下列句子。 To cut down air pollution1. I think we shouldn't smoke in p_.2. We'd better take the bus or

7、 subway _(代替)of driving. To cut down water pollution3. Everyone should play a part in c_ up the river.4. Let's stop factories from pouring _(廢水).5. Don't _(亂扔) rubbish in the river. To cut down waste pollution6. We could _(重復使用)the old things，such as old glass bottles，old clothes and so on.7

8、. People could _(節約)electricity by turning off the lights when they leave a room.To protect animals 8. I suggest that we could set up volunteer groups to _(保護)endangered animals.9. Don't use cruel m_ to hunt the animals.(五) Other useful expressions:根據句意及首字母或漢語提示完成下列句子。1. Everyone should play a p

9、art in s_ the earth.2. Everyone is trying to _ (改善)the environment.3. Saving the earth can _ (以開始)small things.二、篇章訓練 我們生活的地球正面臨著巨大的環境壓力，如空氣污染、水污染、固體廢棄物污染、動物瀕臨滅絕等問題。因此，將環保行動滲透到日常生活是我們每個人的責任。請你選擇其中的一個問題，自擬題目，寫一篇120詞左右的英語短文，談談引起此問題的原因，并倡導公眾如何從點滴做起來解決問題，使我們的世界變得更美好。【我的提綱】1. 首先請選擇你要討論的環境問題:_2. 引起此問題的原因:

10、_3. 如何從生活的點滴做起來解決問題:_請在“單元寫作小專題(答題頁)”相應位置完成。單元寫作小專題&Section B(3a3b) 一、語言積累(一)1. bottom；full；rubbish2. littering；pouring；fishermen3. industrial 4plastic；throwing；ugly5. coal；pollution6. noise7. cruel 8light；harmful9. recycle10. necessary(二)A. 5B. 6C. 1，2，3D4，9，10(三)1-5 ABCAD(四)1. public2. instead

11、3. cleaning4. waste water5. litter6. reuse 7. save8. protect9. methods(五)1. saving2. improve3. begin with二、篇章訓練One possible version：Air Pollution The air is badly polluted around us. Because Our cities has many factories that burn coal. Every year these factories pour a large amount of black smoke i

12、nto air. Besides there are more cars in cities now. There are some methods to solve the problem. First of all，we should ask the factories to stop giving out black smoke into air. Next，we'd better ride bikes or walk instead of driving to school. The advantages of bike riding or walking are that it's good for health and it doesn't cost anything. What's more，it's a good idea to plant more trees and flowers. Planting trees not only makes air cleaner，but also makes our environment more beautiful. Finally，we need to recycle books and paper and stop using paper napkins.