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1、选修六 Unit 4Global warming 教案话题词汇1environmentally friendly环保的2pollutant n污染物3recycle v回收4nonrenewable adj.不可再生的5disastrous adj.灾难性的6alternative energy替代能源7endangered species濒危物种8limited natural resources有限的自然资源9global warming全球变暖10arouse peoples awareness of environmental protection提高公众的环保意识话题佳作假设你所在的
2、学校英语角要举行一次以“低碳环保生活”为主题的活动，用英语写一篇演讲稿，建议那些坐私家车上学的同学采取更加环保的交通方式上学。要点如下：1私家车排放废气是空气污染的一个主要原因；2建议大家骑自行车、乘坐公交车等公共交通工具上学；3如果每个人都这样做，将是对环保极大的贡献。佳作欣赏Boys and girls，the topic of my lecture is to go to school in an environmentally friendly way.As we all know，automobile exhaust gases are considered one of the m
3、ajor sources which are poisoning the air badly.So we can choose an environmentally friendly way to go to school.That is to say we should avoid taking a private car.Instead we should choose public transport.If possible，we can ride a bike or take a bus to school.If every one of us follows the suggesti
4、ons above，we are going to contribute a lot to the environment protection.名师点睛本文是一篇演讲稿，以第一人称和一般现在时态为主。本文结构分为三部分：1.问候并交待演讲主题用环保的交通方式上学。2.围绕主题进行阐述：汽车尾气污染环境；可以使用绿色环保的方式上学来减少这种污染；可以乘坐公共交通工具或骑自行车上学。3.总结：号召大家绿色出行。本文中使用了定语从句、状语从句、省略句等。作者还注重运用了一些恰当的关联词语，如that is to say，instead等，使文章过渡自然，衔接紧密。A写作必记单词1oppose vt
5、.反对；反抗；与(某人)较量(1)be opposed to反对(to为介词)(2)Could it be the pattern that two things make，as opposed to(相对于) three?(3)In Creation or Evolution，Michael Ebifegha examines these two opposed(oppose) world views within the structure of empirical(实证的) science.(4)The present opposed giving(give) military aid
6、to this country.2consequence n后果；结果；影响in consequence (as a consequence) 结果in consequence of (as a consequence of)由于的原因be of consequence重要的3state vt.陈述；说明statement n陈述，声明4steady adj.平稳的；持续的；稳固的5tendency n倾向；趋势(1)tend v趋向；易于；照顾(2)tend to do.倾向于做tend to sb.照顾某人(3)Some think that a womans body cells hav
7、e a tendency to(有的倾向) age more slowly than a mans.(四川)6average adj.平均的(1)above/below (the) average在平均水平以上/以下(2)The common cold is a good example：women，on average(平均)，get fewer colds than men.(四川)(3)Last year was the warmest year on record，with global temperature 0.68 above the average.去年是有记录以来最暖和的一年
8、，全球气温比平均气温高0.68。(重庆)7pollution n污染；弄脏pollute vt.污染8circumstance n环境；情况(1)in/under no circumstances决不in/under any circumstances在任何情况下(2)Under no circumstances must you leave the house.你决不能离开房子。用法点拨circumstance表示“情况，情形，环境”等，通常用复数。9educator n教育家；教育工作者educate vt.教育education n教育10contribution n贡献；稿件；捐赠物(
9、1)contribute v贡献；投稿；有助于(2)contribute to有助于；促使(3)Who made a great contribution to(对做出巨大贡献) the civilrights movement in the US.？(全国)(4)Everyone on the team contributed to winning (win) the game.B阅读识记单词11consume vt.消费；消耗；耗尽；吃完consumer n消费者；用户；消耗者consumption n消耗(量)12random adj.胡乱的；任意的at random 随机地；胡乱地13
10、phenomenon n现象phenomena n现象(复数)14subscribe vi.同意；捐赠；订阅；vt.签署(文件)；捐助(1)subscription n订阅费，订购(2)subscribe to同意，赞成；订购；捐助15quantity n数量；量(1)in quantity (in large quantities)大量(2)Why does the lake smell terrible?Because large quantities of water have been polluted(pollute)用法点拨“a quantity of名词”作主语，谓语动词的数原则
11、上与其中的名词的数保持一致，但“quantities of名词”作主语，谓语动词用复数形式。16data n资料；数据用法点拨data作主语时，谓语动词可用单数也可用复数。17mild adj.温和的；温柔的；淡的18range n种类；范围(1)a range of一系列(2)Its beyond/out of the range of(超出的范围) my ability.19glance vi.看一下；扫视；n.一瞥He must have sensed that I was looking at him.He suddenly glanced at me and said quietly
12、，“Why are you staring at me like that？”(填介词)(湖南)20widespread adj.分布广的；普遍的21existence n生存；存在in existence现存；存在come into existence开始形成22advocate vt.拥护；提倡；主张；n.拥护者，支持者，提倡者The author writes the passage mainly to advocate teaching(teach) literature to touch the heart.用法点拨advocate后跟动词时用动名词形式。23commitment n
13、承诺；交托；信奉commit vt.犯(罪/错)；承诺，保证；交托24growth n增长；生长grow vt.& vi.种植，生长25electrical adj.电的；与电有关的electric adj.电的，用电操作的electronic adj.电子的electricity n电26casual adj.随便的；漫不经心的；偶然的27refresh vt.使恢复；使振作；使想起(1)To have your company exhibit such good service is unbelievably refreshing(refresh)(2)A hot bath is a gr
14、eat refreshment(refresh) after a days work.(3)I awoke feeling rested and refreshed(refresh)28disagreement n分歧；不一致1come about发生；造成How does it come about that you were caught by the police？(填代词)用法点拨come about相当于happen或occur，均无被动形式。2go up上升；增长；升起3result in导致Hard work results in success.(同义句转换)Success r
15、esults from hard work.4even if即使5keep on继续6on the whole大体上；基本上(1)as a whole整体上；一般说来(2)On the whole，Brookss story is acceptable if uninspired.总体而言，Brooks的故事是可接受的，即使是缺乏创见的。(湖北)7on behalf of代表一方；作为的代言人On behalf of my school，I would like to express my feelings.代表我的学校，我想表达一下我的感想。(天津)8put up with忍受；容忍9and so on等等；诸如此类1There is no doubt that the earth is becoming warmer and that it is human activity tha
