1、Unit 13 Were trying to save the earth!Section B (3aSelf Check)导学案【学习目标】1复习并巩固本单元出现的重点词汇和短语。2学习并掌握重点句型：(1) Which parts may be less nice and need to be improved?(2) Give suggestions or possible ways to solve the problems.3. 学会写关于所在城市环境问题以及个人建议的信件。【重点和难点】1. 复习现在进行时、used to句型、被动语态、现在完成时和情态动词。2. 将读写任务结合起
2、来锻炼写作及对语言综合运用能力。【课前预习】一、翻译下列短语:1. 环境问题_ 2. 市长 _ 3. 公共交通_ 4. 水污染_5. 陆地污染_ 6. 变得越来越糟糕_7. 减少污染_ 8有一个好的环境 _ 9.有待提高 _ 10. 乘坐公共交通工具_ 二、 阅读103-104页的课文，翻译句子。1. 哪些部分需要改进？_2. 提出解决问题的建议或可能的方法。_3. 空气污染越来越严重了。_4. 我们已经看到了环境的许多变化。_课文学习探究写作探究写作指导本次写作内容是一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中
3、列举的问题和前面学过的解决办法来完成这封信。【设计意图】通过写作思路的分析，帮助学生梳理写作要点，加强学生书面表达能力。句型复习列提纲写句子自我介绍及写信目的Im from Westtown School in the USA. I came to Taiyuan as an exchange student. I like this city, but the environment around here is getting worse and worse.环境问题1问题(1) There is white pollution everywhere in the city(这个城市到处都
4、是白色污染). 原因People use too many disposable (一次性的) things, such as plastic cups, bottles, bags and lunch boxes.(2)People throw them away after only using them once (人们只用一次后就把它们扔掉了).建议(3) I think that people should try to use their own cups, lunch boxes and chopsticks instead of disposable things (我认为人们
5、应该尽量使用自己的杯子、饭盒和筷子来代替一次性用品).环境问题2问题There has been haze (雾霾) in the city in recent years.原因(4) Thats because there are more and more cars on the road (那是因为马路上有越来越多的汽车) and they give off too much waste gas.(5) People should use public transportation more (人们应该多使用公共交通工具).(6) Its a good idea to take buse
6、s and use shared bikes (乘公共汽车和使用共享单车是个好主意). I think the government should encourage more people to use new energy vehicles (新能源汽车). 表达希望I hope the environment in your city gets better and better.Dear Sir/ Madam, Environmental problems are becoming more and more serious all over the world.With the de
7、velopment of the society, there are too many cars on the streets in our city. Cars have made the air unhealthy for people to breathe. Black smoke and poisonous gas are given off by factories. Factories also put waste into the river. And wherever we go, we can find rubbish.Now more and more people ha
8、ve realized these problems. I think that governments should close down the factories and develop laws to stop people from driving cars every day. I suggest everyone in this town should help to clean up the river and the streets. We should call on everyone in the town to throw rubbish in the dustbins
9、. I hope the problem will be solved in the near future and our home will become better and better. 【达标检测】模仿训练假如你校英文报近期开展“保护环境，从我做起”的主题演讲活动，要求每位学生写一封倡议书，号召全校师生从小事做起，维护我们赖以生存的环境。请你据此写一封英文倡议书。要求：1语句通顺，语法正确，可适当发挥；2词数80左右，开头已给出，不计入总词数。审题指导1文体：应用文(倡议书)2时态：一般现在时3注意事项：注意段落布局，恰当地使用复合句、连接词，增加得分点。单元写作素材(一) 单元话
10、题短语积累1. 不要乱扔垃圾_ 2. 成立；建立_3. 采取行动_ 4. 关掉_ 5. 在中起作用_ 6. 打扫_ 7. 好好利用某物 _(二) 单元话题句子积累8. 我们的环境正变得越来越糟。Our environment _ _ _ _ _.9. 它不仅可以保护环境，而且对我们的健康有好处。It _ _ can protect the environment，_ _ _ _ _ our health.10. 保护环境是每个人的责任。_ _ _ _ to protect the environment.参考答案：【课前预习】一、 1. environmental problems2. the
11、 city mayor3. public transportation4. water pollution 5. land pollution 6. get more and more serious7.cut down pollution8 have a good environment 9need to be improved10. take public transportation二、1. Which parts need to be improved?2. Give suggestions or possible ways to solve the problems.3. The a
12、ir pollution is getting worse and worse.4. We have seen many changes in the environment.【达标检测】模仿训练1. stop littering anywhere 2. set up 3. take action 4. turn off 5. play a part in6. clean up 7. put sth. to good use 8. is becoming worse and worse9. not only；but also is good for 10. It is everyones du
13、ty范文欣赏Dear teachers and students， A clean environment can help people feel happy and healthy. But now our environment has become worse and worse. So how can we help to protect it? Here are some ways. First we can stop driving our private cars. We can go to school or work on foot or by bus. It not on
14、ly can protect the environment，but also is good for our health. Second, we are supposed to sort the rubbish into different kinds because some can be reused or recycled. Third，we should turn off the lights when leaving a room. Whats more，stop littering! Its necessary to put things you dont need in the bin. Theres a lot for us to do. I think if everyone does something，our environment will become better and better.
