1、Unit 4 Global warming Clean up Your Butts and BagsReadingThis passage is mainly aboutA.Cigarette butts are bad for the environment and people shouldnt throw them away.B.Plastic bags are a danger to the environment and people should use fewer and recycle them.C.Cigarette butts and plastic bags are co
2、mmon but dangerous to the environment,so cleaning them up would improve the quality of the environment._sentencePlastic bags are another common form of litter that is a danger to the environment.supporting detailsThere are several reasons for this.*made from non-renewable resources*2billionevery day
3、,last from 201000 years*float easilyand travel;kill _sentencesIt is up to people not to let plastic bags become litter.It would be better if they used fewer and recycled them.topic concludingA perfect paragraph usually consists of:(1)topic sentence(2)supporting sentences(3)concluding sentences In Ch
4、ina,2 billion plastic bags are used every day.This is a huge problem because they last from 20 to 1000 years in the environment.Plastic bags kill up to one million seabirds,100,000 sea mammals and countless fish each year worldwide.numbersconclusion：The writer uses _to describe how dangerous plastic
5、 bags are to the environment.Plastic bags last from 20 to 1000 years in the environment.This is a huge problem.This is a huge problem because they last from 20 to 1000 years in the environment.conclusion：The writer uses some_sentences instead of short sentences.long/compound(1)If we do not recycle t
6、hese resources,we will lose them.(2)In China,people use 2 billion plastic bags every day.(1)If they are not recycled,these resources are lost to us.(2)In China,2 billion plastic bags are used every day.conclusion：The writer uses _ instead of active voice.passive voice(1)This is a problem because.(2)
7、They float in air and water.(1)This is a hugeproblem because.(2)They float easily in air and water.conclusion：The writer uses _ properly and flexibly.adj./adv.Suggestion:it would be better if we could use advanced adjectives or adverbs.A large number of these(plastic bags)become litter.An enormous n
8、umber of these(plastic bags)become litter.When we are writing,we had better use _ words or phrases to connect the sentences,such as,firstly,secondly,then,finally,besides,indeed,whats more/worsetransitionalThere are several reasons for this.There are several reasons for this._,they are made fromare l
9、ost to us._,we cannot ignore the fact that in China,2 billionbecome litter._,this is a huge problem because they last from 20 to 1,000 years in the environment._,they float easilyfirstly，indeed，secondly，whats worseFirstlySecondlyIndeedWhats worse Fill in the blanks using the following words.全国网友热烈祝贺
10、西安成功发射大雁塔！Congratulate Xian on the successful launch of Big Wild Goose Pagoda!1/5 the 5th floor16 times75%100 millionurban Chinese breathe heavily polluted air.cant see the streetThe air quality of Beijing isworse than that of New York City.Burning coal provides the energy.cars in ChinaWriting请根据以上的
11、新闻报道和材料写一个段落(80字左右），包含以下要点：空气污染的事实；原因；你的建议。In your paragraph,what sentence will you use as a topic sentence?To support your topic,what details or evidence will you use?What brief suggestions will you make to conclude your paragraph?What useful expressions will you use to bring in the facts,reasons a
12、nd suggestions?In groups,answer the following questions and finish the outline in the handouts.Useful expressions We cannot ignore the fact that No one can deny the fact that There are several reasons for.The reasons for this can be listed as follows.It would be wise of sb.to do It is more advisable
13、 to do It would be better if we.draft自我评价项目1.书写是否整洁？2.是否包含所有要点？3.拼写是否正确？4.时态是否正确5.是否使用必要的连接词？6.是否使用好词好句？Evaluation in pairsGeneral remarks(总体评价）:_Nice words and sentences（划出好词好句）：Your suggestions(你们认为需要修改的地方以及如何修改）HomeworkRead carefully the rest of the passage and analyse the development of the whole text.In groups,talk about what writing skills you have learnt from the passage.
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