1、单元写作小专题&Section B(3a3b),【单元写作目标】 能描述地球的环境问题、原因及解决问题的建议。 1. 能用“used to，at present，however”等词来描述当今的环境变化； 2. 能用 “I think we should /I suggest that /Wed better/We could/Its a good idea to”等句型来提出解决环境问题的建议。,一、语言积累 (一) Environmental problems and reasons:根据句意及汉语提示完成下列句子。 1. The river used to be clean，but no
2、w the _ (底部)of the river is _ (充满着)of _ (垃圾). 2. People are _ (乱扔)rubbish in the river and factories are _ (倒入)waste water into the river. Thats why the river becomes dirtier and dirtier. As a result，there is no more fish for _ (渔民)to catch. 3. A lot of _ (工业的)waste water comes from the factories.,b
3、ottom,full,rubbish,littering,pouring,fishermen,industrial,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. Whats worse，they also pollute the earth. 5. The factories that burn _ (煤)pollute the air with a lo
4、t of black smoke. The air _ (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 _ (残酷的) hunting.,plastic,throwing,ugly,coal,pollution,noise,cruel,8. We arent able to see stars in the
5、 sky just like before. The problem is that people use too much _ (灯光).And its 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 (包装)the present. Do you think the nice paper is _(必 要)or not?,light,harmful,recycle,ne
6、cessary,(二) 请将以上的环境问题进行分类，将序号填入以下相关的污染类别后。 A: air pollution_ B: noise pollution _ C: water pollution _ D: waste pollution _,5,6,1，2，3,4，9，10,(三) 以下行为会导致哪些污染，请从(二)里选择。 ( ) 1. black smoke ( ) 2. the horn(喇叭) ( ) 3. washing clothes in the river ( ) 4. smoking cigarettes ( ) 5. use throwaway chopsticks,
7、A,B,C,A,D,(四) Solutions:根据句意及首字母或汉语提示完成下列句子。 To cut down air pollution 1. I think we shouldnt smoke in p_. 2. Wed better take the bus or subway _(代替)of driving. To cut down water pollution 3. Everyone should play a part in c_ up the river. 4. Lets stop factories from pouring _(废水). 5. Dont _(乱扔) rub
8、bish in the river. To cut down waste pollution,public,instead,cleaning,waste water,litter,6. We could _(重复使用)the old things，such as old glass bottles，old clothes and so on. 7. People could _(节约)electricity by turning off the lights when they leave a room. To protect animals 8. I suggest that we coul
9、d set up volunteer groups to _(保护)endangered animals. 9. Dont use cruel m_ to hunt the animals.,reuse,save,protect,methods,(五) Other useful expressions:根据句意及首字母或汉语提示完成下列句子。 1. Everyone should play a part in s_ the earth. 2. Everyone is trying to _ (改善)the environment. 3. Saving the earth can _ (以开始)
10、small things.,saving,improve,begin with,二、篇章训练 我们生活的地球正面临着巨大的环境压力，如空气污染、水污染、固体废弃物污染、动物濒临灭绝等问题。因此，将环保行动渗透到日常生活是我们每个人的责任。请你选 择其中的一个问题，自拟题目，写一篇120词左右的英语短文，谈谈引起此问题的原因，并倡导公众如何从点滴做起来解决问题，使我们的世界变得更美好。 【我的提纲】 1. 首先请选择你要讨论的环境问题:_ 2. 引起此问题的原因:_ 3. 如何从生活的点滴做起来解决问题:_,One possible version： Air PollutionThe air i
11、s badly polluted around us. Because Our cities has many factories that burn coal. Every year these factories pour a large amount of black smoke into 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
12、 black smoke into air. Next，wed better ride bikes or walk instead of driving to school. The advantages of bike riding or walking are that its good for health and it doesnt cost anything. Whats more，its 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. That can help us cut down fewer and fewer trees.I think everyone should play a part in solving the air pollution. Im sure that our actions can make a difference and lead to a better future.,
