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1、.认阅读单词1graph n图；图表；曲线图2emission n排放物；散发物；排放3seal n海豹4methane n甲烷；沼气5dioxide n二氧化物6carbon dioxide 二氧化碳7habitable adj.适合居住的8fossil n化石9fossil fuel化石燃料(如煤或石油)10worldwide adv.遍及全球地 adj.世界各地的；影响全世界的11footprint n足迹；(某物所占的)空间量；面积12basin n流域；盆地；盆13penguin n企鹅14implement vt.使生效；贯彻；执行15moderate adj.适度的；中等的；温和
2、的 vi.& vt.缓和；使适中16tropical adj.热带的；来自热带的17nuclear adj.原子能的；核能的；原子核的18jungle n(热带)丛林；密林19smog n烟雾(烟与雾混合的空气污染物)20originate vi.& vt.起源；发源；创立21volume n量；体积；(成套书籍中的)一卷22enterprise n公司；企业；事业23regulation n章程；规章制度24disposal n去掉；清除；处理25waterway n水道；航道26agenda n议程表；议事日程.记重点单词1melt vi.& vt.(使)融化；熔化；软化2ecology
3、n生态；生态学3release vt.& n排放；释放；发布4carbon n碳5fuel n燃料；刺激性言行 vt.加强；刺激6comprehensive adj.全部的；所有的；详尽的7trend n趋势；趋向；动向8broadcast vt.& vi.(broadcast，broadcast)播送；广播；传播 n广播节目；电视节目9policy n政策；方针；原则10seize vt.抓住；夺取；控制11reform vt.& vi.改革；(使)改正；改造 n改革；变革；改良12undergo vt.(underwent，undergone)经历；经受(变化、不快等)13annual a
4、dj.每年的；一年的 n年刊；年鉴14chaos n混乱；杂乱；紊乱15garbage n垃圾；废物16restore vt.恢复；使复原；修复17dozen n(一)打；十二个18fine vt.对处以罚款19campaign n运动；战役 vi.& vt.参加运动；领导运动.知拓展单词1starve vi.& vt.(使)挨饿；饿死starvation n饥饿；饿死starving adj.挨饿的；即将饿死的2sustain vt.维持；遭受；承受住sustainable adj.可持续的；合理利用的3frequently adv.频繁地；经常frequent adj.频繁的frequen
5、cy n频繁；频率4restrict vt.限制；限定；束缚restriction n限制规定；限制法规；约束restrictive adj.限制性的；约束性的5harmonious adj.和谐的harmony n和谐harmoniously adv.和谐地6submit vt.& vi.提交；呈递；屈服submission n提交(物)；呈递(书)；屈服7sensitive adj.敏感的；善解人意的；灵敏的sensible adj.明智的；合理的sense n意义；感官 vt.感觉到；察觉到8conservation n(对环境、文物等)保护；保持conservative adj.保守的
6、；守旧的conserve v保护；保存；节省；节约9inspection n检查；查看；视察inspect vt.检查；视察；检阅inspector n检察员；督察员10tolerate vt.忍受；包容；容许tolerant adj.宽容的；容忍的tolerance n容忍1maximum adj.& n最大量(的)；最大限度(的)2meanwhile adv.同时，与此同时3media n新闻媒介；新闻媒体4mental adj.精神的；智力的mentally adv.精神上；智力上 5mention n提及 vt.提到；说起6merchant n商人；生意人7merciful adj.仁
7、慈的；宽大的8merely adv.仅仅；只不过.背核心短语1on behalf of 代表(代替)某人2dozens of 许多；很多3have an impact on对有影响4lead to导致5cause damage to对造成损害6take measures采取措施7deal with处理8a number of许多9carry out履行；执行10in effect在实施中；实际上.悟经典句式1There is little doubt that Earth is getting warmer and warmer.(There is little doubt that.毫无疑问
8、)毫无疑问，地球正变得越来越温暖。2Experts claimed that low sea-ice levels caused by climate change meant the bear could not hunt seals as before，so it had to travel greater distances in order to find food.(过去分词短语作后置定语)专家声称，气候变化导致的海冰面降低意味着北极熊无法像以前那样捕食海豹，因此它不得不走更远的距离去寻找食物。3The “natural” greenhouse effect refers to th
9、e fact that heat from the sun enters the atmosphere and warms Earths surface as short-wave radiation.(that引导的同位语从句)“天然”温室效应指的是来自太阳的热量以短波辐射的形式进入大气层，使地表变暖。4Without this process，Earth could not sustain life.(含蓄虚拟条件句)如果没有这个过程，地球就无法维系生命。5When people produce huge amounts of extra greenhouse gases by burni
10、ng fossil fuels，more heat energy is trapped in the atmosphere and causes Earths surface temperature to rise quickly.(when引导的时间状语从句)当人类由于燃烧化石燃料产生了大量额外的温室气体时，更多的热能被困在大气层中，导致地表温度迅速上升。请先从表格中选用本单元所学词汇完成下列短文，然后核对答案并背诵该短文。With moderate greenhouse gases，such as methane and carbon dioxide 1.released into the
11、 atmosphere，Earth can sustain life.But comprehensive evidence shows that more heat energy than necessary exists because of burning an increasing volume of fossil fuels.Hence，the warming trend has affected Earths ecology and harmonious development.News reports are frequently 2.broadcast about polar b
12、ears，seals and penguins that are 3.starved to death because of the melting ice.Tropical jungles are destroyed，making them less habitable for animals.What human beings cant 4.tolerate is that garbage is thrown everywhere，such as waterways and basins.Faced with the severe situations，worldwide governme
13、nts have reformed policies to reduce greenhouse gas emissions and restore the sensitive ecology.Dozens of enterprises have 5.submitted and implemented their conservation regulations，saying，“We will immediately carry out the disposal of the waste we produce.” Individuals can also seize every chance t
14、o reduce the carbon footprint in the daily life.Although Earth has 6.undergone some ecological chaos，people from all over the world confidently say that those measures can create a sustainable world.提示：题干中加底纹词汇为本单元词汇 starve vi.& vt.(使)挨饿；饿死(starvation n饥饿；饿死)starve to death饿死be starving for sth/to d
15、o sth 渴望某事/做某事(1)What shocks the scientists is that many seals have died from starvation(starve) because of global warming，so we must protect the environment in case more seals might starve to death.(2)我渴望学好英语，因为掌握英语意味着我们可以通过一个新窗口看世界。(话题写作之语言学习)I am starving to study English well，because mastering English means we can see the world through a new window. seize vt.抓住；夺取；控制seize sb by the arm抓住某人的胳膊seize a chance
