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雅思大作文话题素材及核心词汇(下篇)

2016-08-31

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小编:环球雅思 4396
摘要:雅思大作文话题素材及核心词汇(上篇)内容是不是没有看够,总感觉少些什么?现在就来看看下篇内容吧,更加完善,更加接近雅思写作考试,精彩不要错过哦!

  【经典搭配】alleviate burdens 减负

  alleviate pressure 减压

  【即学即用】One thing is for sure, that by using more energy efficient, we will be helping to

  alleviate the toll on environmental and human health

  可以确定通过使用更节约的能源,我们就会减少在环境和健康方面付出的代价。

  at the expense of 以……为代价

  【同义表达】at the cost of 以……为代价

  【即学即用】He finished the job at the expense of his health.

  他完成了那件工作,但却损害了健康。

  waste n. 废物,浪费

  【同义表达】refuse n. 垃圾,废物; garbage n. 垃圾,废物;rubbish n. 垃圾,废物

  【经典搭配】garbage classification 垃圾分类

  【考官例句】I think it is true that in almost every country today each household and family

  produces a large amount of waste every week.

  我认为今天几乎在所有的国家,家家户户每周都要产生大量的垃圾。

  ecological n. 生态,生态学

  【同源词汇】ecology n. 生态学

  【经典搭配】ecological balance 生态平衡

  ecological equilibrium 生态平衡

  【即学即用】It is no doubt that animals play a vital role in maintaining the ecological equilibrium.

  毫无疑问,动物在维持自然平衡上起着重要的作用。

  【句架提炼】maintain the ecological equilibrium 维持生态平衡

  ecosystem n. 生态系统

  【即学即用】There are highly sensitive and delicately balanced ecosystems in the forest.

  森林里有高度敏感、灵敏平衡的各种生态系统。

  worsen vi.& vt. 恶化,变得更坏

  【同源词汇】worse adj. 更坏的,更差的; worsening adj. 日益恶化的

  【同义表达】deteriorate vi. 恶化,变坏;vt. 恶化

  【同源词汇】exhausted adj. 耗尽的;exhaustion n. 枯竭,耗尽

  【同义表达】use up 用完,耗尽; consume vt. 消耗

  【经典搭配】be exhausted 被耗尽

  motor vehicle exhaust 汽车尾气排放

  【即学即用】Motor vehicle exhaust leads partly to the greenhouse effect.

  机动车尾气排放是导致温室效应的部分原因。

  be in short supply 供应不足

  【同义表达】shortage n. 缺乏,缺少;scarcity n. 不足,缺乏; lack of 缺乏

  【经典搭配】water shortage 水资源短缺

  run out of resources 资源短缺

  【即学即用】It is widely-accepted that water as a valuable resource is in short supply in some

  area.

  众所周知,在某些地区短缺珍贵的水资源。

  ozone layer 【气】臭氧层

  【即学即用】Pollution leads to depletion of the ozone layer, global warming and climate change.

  污染能导致臭氧层的空洞,全球变暖及气候变化。

  use up 用完,耗尽

  【考官例句】Certainly nobody wants to see our resources used up and our planet poisoned by

  waste.

  当然,每人愿意看到资源用尽,地球遍地垃圾。

  consume vt. 消耗,消费

  【考官例句】The reason why we have so much packaging is that we consume so much more on a

  daily basis than the families did in the past.

  我们用掉大量的包装袋,其原因在于要比过去家庭的包装袋消耗量大得多。

  【句架提炼】The reason why... is that... ……的原因在于

  discharge vt. 使流出,放出;排出

  【即学即用】Experts blame people's poor awareness of the harm done to marine ecology by

  pollutants discharged by coastal cities.

  很多专家将海洋生态的破坏归咎于缺乏环保意识,沿海城市居民将污染物排放到大海里。

  release vt. 释放,发射 n. 释放

  【即学即用】Air pollution is the release of chemicals and particles into the atmosphere.

  空气污染是化学物质释放到大气中而造成的。

  emission n. 排放,散发,发出(气体、光、热)

  【同源词汇】emit vt. 发出,散发(光、热、声音、气等)

  【经典搭配】the emission of… 排放

  emission reduction 减排

  carbon emission reduction 碳减排

  【即学即用】The restriction of the number of cars can reduce greenhouse gas emissions to

  a large extent.

  从很大程度上来说,限制车的数量可以减少温室气体的排放。

  zero-emission 零排放

  【即学即用】In addition to public transport, switching to zero-emission vehicles is another

  approach to control the air pollution in major cities.

  除了提高公共交通外,改用零排放的车辆是很多大城市控制空气污染的另一个方法。

  词汇拓展

  所谓零排放,是指无限地减少污染物和能源排放直至到零的活动。zero-emission vehicle 就是“零排放车辆”,指不排放任何有害污染物的车辆。zero-emission vehicle 称为 green vehicle(绿色汽车)、eco-friendly vehicle(环保汽车)、clean car(清洁汽车)等

  energy-saving and emission-reduction 节能减排

  【 即 学 即 用 】 How will the city government strengthen the management of

  high-energy-consumption enterprises as far as energy saving and emission

  reduction are concerned?

  就节能减排而言,市政府如何加强高耗能企业的管理?

  exploitation n. 开发,开采

  【同源词汇】exploit vt. 开发,开拓;overexploitation n. 过度开采

  【考官例句】It is an unfortunate fact that many employers may prefer to use the services of

  children simply to save money by paying them less than adults and it is this type of

  exploitation that should be discouraged.

  不幸的是很多雇主愿意使用童工,付给他们的薪水要比成年人低很多,应该阻

  止剥削劳动力的行为。

  【句架提炼】It is an unfortunate fact that... 不幸的是……

  hazardous adj.(化合物)有害的

  【同源词汇】hazard vt. 使遭受危险 n. 危险

  【同义表达】poisonous adj. 有毒的,恶毒的;dangerous adj. 危险的

  【经典搭配】hazardous material 有害物质

  【即学即用】The situation has the potential to be hazardous, but no people, property, or

  environment is currently affected by this.

  这种情况可能很危险,但是人、财产及环境在目前状况下不会受到影响。

  degradation n. 退化

  【同源词汇】degrade vt. 使……降解 vi. 退化; degradable adj. 可能降解的

  【经典搭配】environmental degradation 环境恶化

  【即学即用】Grassland degradation and desertification have become one of the prominent

  environmental problems in this area.

  草地退化、土地沙化等问题已成为这一地区突出的环境问题之一。

  deforestation n. 森林砍伐

  【同源词汇】deforest vt. 采伐森林

  【反义表达】afforestation n. 造林

  【即学即用】Deforestation and increased road-building are a significant concern because of

  increased human encroachment upon wild areas, increased resource extraction and

  further threats to biodiversity.

  森林砍伐和修筑公路是人类不断侵犯野生环境,不断地开采资源,对生物多样化造成了威胁。

  思路拓展

  Disregard or ignorance of intrinsic value(内在规律), lax forest management(松散的森林管理) and deficient environmental law(不严格的环境保护法)are some of the factors that allow deforestation to occur on a large scale(大规模的森林砍伐). In many countries,deforestation is an ongoing issue that is causing extinction(灭绝),changes to climatic conditions(气候条件), desertification(土壤沙漠化), and displacement of indigenous people(本土居民的迁移).renewable adj. 可更新的,可继续的,可再生的人们越来越关注矿物燃料和环境污染的关系。

  写作话题

  20090530 Fossil fuels, such as coal, oil, natural gas, are used in

  many countries, but in some countries, the use of alternative sources of

  energy, including wind and solar power, are encouraged. Is this trend a

  positive or a negative development?

  关键词解读:记得在一部美国影片中:一位年轻人指著不远处的一个老头,对其伙伴说:Hey , look at that fossil fuel. 这里的 fossil fuel 应该是指“老不死”吧。还记得大学期间的一位教授说自己是old fossil,调侃自己是“老顽固”。那么这道雅思作文里的关键词fossil fuel,指的是化石燃料,包括煤碳、石油、天然气等在特定地

  质条件下形成的沉积矿石。non-fossil fuel 指得就是非矿物燃料.

  例如:

  Gasoline(汽油), coal(煤), natural gas(天然气), diesel(柴油),and other commodities derived from fossil fuels are non-renewable(自然资源非再生的). Unlike fossil fuels, a renewable resource(可再生资源)can have a sustainable yield(可持续发展).那么题中的另一关键词 alternative sources(替代能源,新能源)

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