1、Module 6 Save our worldUnit 2 Remember three words: reduce, reuse and recycle课型：读写课【学习目标】1.掌握词汇waste、 energy、pollution、recycle、reusable、reduce、reuse、repair、environmental、hopeless、necessary、plastic 、sort 、harm、material词组句型 instead of、do harm to、make a difference to、Its+adj.+to do 、stop from能够使用本单元的新词
2、汇；2.能够通过阅读，从生活细节中采取措施来保护环境，保护地球，进而培养学生的忧患意识和主人翁意识。3.能根据关键词复述课文，并发表自己的看法。【课前准备】1、课前朗读本模块的词汇（学生自己朗读、领读或齐读）。2、四人一组口头检查词汇拼写情况。【学习过程】1、 复习 Unit 1. 2、 背景知识。Saving Our Natural ResourcesThe problemIn 1991 the worlds population was 5.4 billion people and growing exponentially at a rate of 1.8%. This meant th
3、at in 1992 th ere were another 97 million people to feed, house and clothe. Even then one out of every five people went hungry and didnt have drinking water. More and more our resources are being tapped to the point of exhaustion. Non-renewable resources such as minerals, metals and fossil fuels mus
4、t be conserved. Perpetually renewable resources such as flowing water as well as solar and wind energy must be used and potentially renewable resources such as our air, water, soil and animal and plant life must be cared for. Our air:The 1990 Federal Air Toxics Inventory ranked Passaic County as 6th
5、 in the State of New Jersey for toxic emissions. 52% of those toxins were foun d to come from manageable sources. Of these, 38% were from mobile sources (with cars and trucks making up 29%) and 9% from non-road vehicles such as lawnmowers and boats. Another 32% were from solvents such as those used
6、in degreasers, pesticides and cleaners.Our water:The earth has a huge amount of water, yet only about 1% is fresh and usable. In 1988, the New Jersey Department of Environmental Protection (NJDEP) found that 71% of our monitored streams and rivers were too polluted from bacteria to allow swimming. T
7、hey also found that 28% of our coastal waters had to be closed to shellfish harvesting.Our soil: According the NJDEP, as of 1992, only 2% of New Jersey residents participated in hazardous waste collection events, so the chances of toxins from used motor oil, pesticides, cleaners and solvents are bei
8、ng dumped onto the ground and eventually polluting our ground water i s very high.3、多层阅读。a 快速默读文章，回答下面的问题：Do you open a window instead of turning on air conditioning?Do you buy things produced local instead of made aboard?Do you take your own cloth bag when shopping instead of using plastic bags?Do
9、you sort the waste before throwing it away?b.再次阅读文章，选择答案：Which things you should do if you want to be green?A. Buy the latest fashions B. Choose local productsC. Waste energy when things are made D. Buy things from abroadE. Repair things F. Use paper cups and bagsG. Throw things away H. Burn things
10、c.小组讨论：完成下列表格We should We shouldnt reason 1.save来源:Zxxk.Com来源:Z,xx,k.Com2 buy anything that is unnecessary.Reduce（use less）来源:学科网来源:Zxxk.Com来源:Zxxk.Com来源:Zxxk.Com3 This saves money and reduces pollution and waste going into the environment.来源:学科网来源:Zxxk.Com来源:Z|xx|k.Com来源:学+ 科+网Z+X+X+K1 2 Throw brok
11、en things and buy new onesReuse（use again）3 Use a paper cup or a paper bag.1 2 Throw things away or burn them. Recycle （changethings intosomething else）3 It saves energy4、语言知识归纳。 请精读文章，找出并写下疑难问题_ 结队或小组内交流，记下仍然解决不了的问题_ 语言点导学： Do you care about protecting the environment and saving energy?你关心环保和节能吗？ca
12、re about 可以表示“关心，重视；介意，在乎 “。如：Most parents care very much about their chil drens future. 大多数父母都特别关心自己孩子的将来。 【拓 展】care 这个词的用法很多 。care for sth. 用于否定句或疑问句中，常与 would 连用，表示“愿意或同意做某事；希望或喜欢做某事“ 。如：Would you care for going for a walk with me? 愿意和我一起去散步吗？care for 还有“照看；照顾“ 的意思，与 take care of 和 look after 同义，
13、常用于被动语态中。如：Old people are cared for by the whole society老年人受到整个社会的照顾 it does harm to our environment. 对我们的环境有害Harm 作名词，意为 “损害；伤害 ”，应和介词 to 连用。如：Smoking does harm not only to the smokers but also to people around them. 吸烟不仅危害吸烟者，而且还殃及周围的人。【拓 展】harm 还可以作动词。如：Lots of houses were harmed in the Wenchuan
14、earthquake. 汶川地震中大量房屋受损。 harm 对应的形容词是 harmful, 意为“对有害的；可致损伤的”，也应和介词 to 连用。如 Sleeping too much is as harmful to health as sleeping too little. 睡得太多太少都会危害健康。do harm to“对有害处” do good to “对有好处”如：Ill never do harm to them.A holiday will do good to you. In fact,even the simplest everyday activities can ma
15、ke a real difference to the environment.其实，即使是最简单的日常小事也能对环境产生很大影响。make a difference to“对产生重大影响”everyday 是形容词，意思是“日常的”、“ 普通的”。如：We learn everyday English. The man wore everyday clothes.【拓 展】every da y 是副词短语，意思是“每天” 、“天天 ”的意思。如：How do you go to school every day?I pay visits to Mr. Green every day. Use
16、 things for as long as possible.as long as possible.是 as+adj/adv as possible 这样一种结构，表示“尽可能。” 相当于 as+adj/adv+as one can,强调形容词或副词。如：See these men as soon as possiblePlease come to school as quickly as possible.(同义句)Please come to school as quickly as _ _ We should repair them if we can instead of thro
17、wing them away.instead of 意为“代替，而不是”instead of 是介宾短语，后面常接名词、代词、动词 + ing 形式充当宾语。如：1.Well ask Li Mei instead of Mary. 我们将去问李梅而不问玛丽【拓 展】instead 意为“代替”“替代”，作副词用，通常位于句尾。如位于句首时常用 逗号与后面阁开。instead 在顺接句子中作“代替”讲，而在转折（或逆转） 句子中作“然而”讲。如：1.Lily isnt here. Ask Lucy instead. Lily 不在这儿，去问 Lucy 吧. 2.she didnt answer
18、me, instead, she asked me another question. 她没有回答我，反而问了我另外一个问题。考例：（instead；instead of）1. He never studies. _, she plays basketball every day. 2. She stayed at home all day _ going to work.3. I like watching TV at home instead of go out on Sund ays.A B C D4. 我喜欢英语而不是数学。_We should also buy products ma
19、de from recycled materials.made from recycled materials. 这是过去分词作定语后置的用法如：The glass broken by my son has been swept away.考例：“Things _ never come again!” I couldnt help talking to myself. A. lost B. losing C. to lose D. have lost【拓 展】be made of 与 be made frombe made of“由构成”，能看出原材料如： The desk is made o
20、f wood. The knife is made of metal. be made from“由构成、制成成品”，被制成的东西看不出原材料如：The paper is made from the wood.reduce reduce 的意思是“缩减（体积、数量、价格等）；减少；减小；降低”，常和 from, to, by 等介词连用。如： He reduced his weight from 98 to 92 kilos. 他的体重从 98 公斤减少到了 92 公斤。He reduced his weight by 6 kilos. 他的体重减少了 6 公斤。【拓展】 reduce 的名词
21、形式是 reduction。如 The shop will se ll all the clothes at a huge reduction.这家商店将大幅度降价卖掉所有的衣服。考例：翻译下面的句子。1. 我们应该学会在考试前减小压力(pressure)。_2. 玩电脑游戏太多对健康有害。_ _3. 你知道你每天产生多少废弃物吗？_朗读课文，写出下列重点词组。1.代替,而不是 _ 2对造成伤害_ 3 对产生影响/很重要_ 4. 两者都/和都_5.两者都不/既不也不_ 6.关心 _ 7.尽可能长久_ 8 把变成_9.参加(会议,活动等) _ 10.组成,构成 _ 根据汉语完成句子。你关心环保和
22、节能吗？我们每天都会制造垃圾，而这些垃圾对我们的环境有害。其实，即使是最简单的日常小事也能对环境产生很大影响。我们应当修补它们而不是把它们扔掉。我们也应当买那种由可再循环使用的材料制成的产品。（6）短文填空。根据短文内容及首字母提示，填写所缺单词，使短文意思完整。Modern industry is developing faster and faster, and many fields, rivers and mountains have been (1) p _ . We all need a healthy environment, so its (2) n _ for us to t
23、hink about it. When shopping we should take our own cloth bags (3) i _of using plastic bags. If it isnt too hot, dont turn on air conditioning because it wastes energy. Sort the waste before (4) t _ it away. If you can, you can make a (5) d _ to the environment.写作训练。 请在小组内复述课文。请小组讨论可以集思广益，让学生从自身的感受和生活的经验来写有关保护环境的文章。_ _
