人教版九年级英语全册单元作文精讲13-保护环境 Unit 13 We are trying to save the earth!

主题：环境保护导读本单元的主题是保护环境,引导同学们培养环保意识,关注和保护环境.与本主题有关的英语作文命题通常有提示性作文和看图作文等.同学们写此类作文时,要注意点明写作意图,描述问题所在,并提出解决问题的建议.可适用于本单元的关联主题有很多,如How to protect the environment, Creating a greener world, Walking to school is a good choice 等. 题目回放随着社会的发展,我们的生活越来越便利,但我们周围的环境问题却变得日益严峻.环境问题严重影响着人们的工作、学习和生活.我们应该如何保护环境呢?假如你是李华,你校要在6月5日这个世界环境日开展以“保护我们的环境”为主题的演讲比赛.请你自拟标题,根据以下要求,写一篇90词左右的英语演讲稿.写作要求：1.举例说明现存的环境问题；2.说明我们应采取怎样的措施保护环境. 审题指引1审体裁：演讲稿,属于应用文.2 审内容：点明环境现状和问题,提出应对措施.3 审时态：以一般现在时为主.4 审人称：以第一人称为主. 框架设计开头：第一段点明环境现状,引入主题.中间：主体段落列举现存的环境问题.结尾：最后针对问题提出具体应对措施. 段落素描1.First paragraph: Today is June 5, and it is World Environment Day. It reminds us to protect the environment because ...(Today is June 5, celebrated as World Environment Day around the globe. It reminds us to protect the environment, for the pollution around us...)2.The body: Over the past few years, our governments have done something to control pollution, but it still exists. Most vehicles emit..:some people throw trash ...; and in some areas, farmers pollute the soil with chemicals... (In recent years, governments at various levels have taken measures to control pollution, but it still arises. In some areas ,factories discharge ...; electronic products produce ...; and some people cut down trees,...)3.Last paragraph: Therefore, we must find ways to protect the environment. As high school students, we can ... Besides, we should...(In view of these facts, we must take action to protect the environment. As high school students, we can... More importantly, we need to...) 范本淬炼AProtecting our environmentHello, everyone! Today is June 5, and it is World Environment Day. It ① reminds us to protect the environment because the pollution around us ② does harm to our health.Over the past few years, our government has done something to control pollution, but it still exists. Most vehicles ③ emit exhaust gas and make noise; some people throw trash into rivers; and in some areas, farmers pollute the soil with ④ chemicals such as fertilizers and pesticides.Therefore, we must find ways⑤ to protect the environment. As high school students, we can go to school by bus, by bike or on foot. Besides, we should use less plastic bags, ⑥ which cause white pollution.亮点点评1.文章紧扣保护环境这一主题,内容完整,要点齐全,段落清晰.2.文中运用了一些不同的句式,如because引导的原因状语从句和which引导的非限制性定语从句,为文章增色不少.3.作者使用了较为丰富的词汇和短语,如 remind sb. to do sth., do harm to, control, exist, vehicle, emit等,增强了文章的生动性. BProtecting our environmentHello, everyone!Today is June 5,① celebrated as World Environment Day around the globe. It reminds us to protect the environment, for the pollution around us has seriously ② affected our health and daily life.In recent years, governments at various levels have ③ taken measures to control pollution, but it still arises. In some areas, factories ④ discharge waste smoke, exhaust gas, waste water, and residual waste; ⑤ electronic products produce electromagnetic radiation; and some people cut down trees, ⑥ resulting in increased carbon dioxide in the air. ⑦ In view of these facts, we must take action to protect the environment. As high school students, we can go to school by bus or on foot, and tell our relatives and friends to go to work by bus or ⑧ by subway train instead ofby car. More importantly, we need to save as much energy as possible ⑨ by saving water, turning off the lights when we leave the house, and using recyclable paper in our studies.亮点点评1.开篇直接点明污染环境造成的危害,主体段落叙述影响环境的具体问题,最后提出改善环境的措施.与上文相比,本文叙述更完整,内容更丰富.2.文章句式多样,除了用简单句、并列句外,还用了现在分词充当结果状语和by+动名词等句式,显示了作者驾驭多种句式的能力.3.文中用 in recent years, in some areas, in view of these facts, more importantly等用语衔接句子,使文章逻辑性更强,上下文更连贯.4.比起上面的二类文,本文用词更丰富,如 seriously, at various levels, arise, waste smoke, exhaust gas, residual waste 等用语增强了文章的感染力. 佳作赏析AHow to save energy① With the rapid development of our society, the resources on the earth ② tend to be decreased. In order to protect ③ the existing resources and save energy, something must be done.First of all, as a source of life, water is very important to us. We should protect water, especially drinking water, and prevent factories from discharging polluted water into rivers. Besides, we must save electricity ④ by turning off the lights when we leave the house. Moreover, we need to stop cutting down trees and increase forests to make our world a greener one. ⑤ Most importantly, we are supposed to save our resources by ⑥ reusing recyclables, such as food cans, brown bags and plastic bottles.In short, everyone should ⑦ take action to protect the environment and save energy.亮点点评1.本文首段简介节约能源的原因和意义,主体段落说明如何节约能源,尾段再次点明主题.文章结构分明,层次清晰.2.文中运用了多种句式,如动词不定式充当目的状语以及when 引导的时间状语从句等.3.衔接语如 first of all, besides, moreover, most importantly 等使文章逻辑性强,上下文连贯通顺.4.文中词汇和短语丰富,如 with the rapid development of ...,tend to, especially, prevent ... from...,save electricity, reuse recyclables, take action等,增强了文章的感染力和生动性. BWhat I do to protect the environment① At present, we are facing serious environmental problems, especially air pollution and water pollution. ② To make our life better, I often try to do something to protect the environment.First of all, I always ③ switch off the lights when I leave the house to save electricity. Besides, when I brush my teeth, I never waste the tap water. Also, I often tell my parents and friends to go to work by bus ④ instead of by car and use recyclable bags when going shopping. Moreover, I always save paper by writing on both sides of the paper at the school. In my mind,⑤ only when everyone tries to protect the environment can we have a better place to live in. I will ⑥ keep my habit of protecting the environment.亮点点评1.开篇简要介绍保护环境的背景和意义,主体段落叙述作者自已采取的措施,结尾呼吁大家保护环境并说明自身将保持爱护环境的习惯.文章布局合理,逻辑清晰.2.文章句式丰富,除多次运用when 引导的时间状语从句外,还运用了动词不定式作目的状语、when+现在分词、by+动名词,以及only+时间状语引起的倒装句等句式.3.文中用first of all, besides, also, moreover, in my mind 等衔接语,把文章紧密连接起来,增强了段落和句子之间的连贯性. CProtecting the earthAt present, such environmental problems as global warming, the ① significantly increasing acid rain and deserts, reduced forests and ② non-renewable resources, water and air pollution have posed serious challenges to human beings.③ Considering these facts, we must take measures to protect the earth. First of all, we should do our best to save energy. When we leave our home, we should turn off the ④ electric appliances; when we go to school or go to work, we can take a bus or ride a bike. Besides, we need to save forests by cutting down no trees and planting more trees. Last but not least, we are supposed to reuse recyclables, such as brown bags and food cans.⑤ Anyway, since we have only one earth, we should do everything to protect it.亮点点评1.文章思路清晰,段落设计合理.开篇列举环境污染的各种问题,中间段落说明环境保护的具体措施,尾段呼吁大家保护环境.2.灵活运用长短句,并注意交叉使用简单句和复合句(如含状语从句的复合句),避免了句式单调.3.用 first of all, besides, last but not least, anyway等衔接语,使段落之间和句子之间衔接紧密,表达流畅自然.4.用词丰富、精准,如使用 global warming, significantly increasing, non-renewable resources, pose serious challenges, considering, electric appliances等,增加了文章亮点.素材宝库1.好词妙语used to be clean 过去很干净get worse and worse 变得越来越严重reduce air pollution 减少空气污染the advantages/ disadvantages of....·····的优(缺)点be harmful to the environment 对环境有害have an influence/impact on...对······有影响non-renewable resources 不可再生资源considering these facts 考虑到这些事实tend to be decreased 趋于被减少the existing resources现有资源result in increased carbon dioxide in the air 导致空气中的二氧化碳增加2.提分佳句This is not only cruel, but also harmful to the environment.这不但残忍,而且对环境有害.You can save electricity by turning off the lights when you leave the house. 你可以通过离家时关闭电灯来节约用电.Our joint efforts will make a great difference and bring about a better future. 我们的共同努力可以起很大作用,带来更美好的未来.I think it is a great idea that you have to pay for plastic bags in some stores.在一些商店里你得为塑料袋付费,我认为这是一个好主意.Remember to throw rubbish in dustbins and keep public places clean and beautiful. 记住要把垃圾扔在垃圾箱里并且保持公共场所干净而漂亮.We should write to the government to make them close down the factories that cause pollution.我们应当给政府写信让他们关闭那些引起污染的工厂.If everyone makes contributions to building a green city, the world will become a better place for everyone to live in. 如果每个人都为建设绿色城市做出贡献,世界将变成一个更适合每个人居住的地方.To save the earth is to save ourselves. 拯救地球就是拯救我们自己.We must take action to protect wild animals.我们必须采取措施保护野生动物.We cannot wait any longer. Just take action!我们再也不能等了.采取行动吧！Protecting the environment is everyone's responsibility.保护环境,人人有责. 实战练笔假设你叫李文,是无锡市阳光中学(Wuxi Sunshine Middle School)的一名学生.今年暑期,你将代表你校赴瑞士参加模拟联合国会议并现场发言,会议主题是Creating a greener world.请根据下列写作提示,写一篇90词左右的英语发言稿.写作提示：1.Introduce myself (name, school, age...);2.What China has done (factories, new energy ...);3.How I stay green (lights, recyclables...).范文：Creating a greener worldHello, everyone!I am Li Wen, a 15-year-old Chinese boy from the Wuxi Sunshine Middle School. As we all know, the environment is getting worse and worse across the globe. Luckily, the Chinese governments at all levels have taken measures to improve the environment. The factories that caused pollution have been shut up, and the new energy from wind, water and solar power is being fully used. To help reduce air pollution, I often go to school on foot. Besides, I remember to turn off the lights before leaving my house or my classroom. Moreover, I always reuse recyclables, such as food cans and brown bags.I believe as long as we try our best to protect the environment around us, we will have a greener world.Thank you.