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1、Unit 4 Global warming,基础知识自测,一、单词识记,1._ n. 数量 2._ n.资料；数据 3._ vt. 反对；反抗 4._ n.趋势；倾向；走向 5._ vt. 陈述 n.状态，国家,quantity,data,oppose,trend,state,6._ n. 变化范围 v.涉及 7._ adj. 平稳的；持续的 8._ n. 标题；名称；头衔 9._ n. 图表；曲线图 10._ adj. 分布广的,range,steady,title,graph,widespread,11._ vt.使恢复；使振作 12._ v.趋向；照顾；护理 13.famine n. _
2、 14.renewable adj. _ 15.phenomenon n. _,refresh,tend,饥荒,可更新的；能再生的,现象,16.consequence n. _ 17.catastrophe n. _ 18.individual n. adj. _ 19.advocate vt. _ 20.consume vt. _,结果；后来,大灾难；浩劫,个人；个体,提倡；主张；拥护,消费；吃完,二、词汇拓展,1.state vt. 陈述(正式);n. 国家；状态；州 adj. 国立的 _n.说明，陈述 _adj. 宏大的；优雅从容的 _搭配处于状态,in a state/in a sta
3、te of ,statement,stately,It is stated that=It is said that 据说 The writer stated his views in his latest book，and some of the _ (state) are of great value.,statements, _ (据说) that more than thirty people were killed in that accident. He was_ (健康状况不佳).,in a poor state of health,It is stated,2.refresh
4、vt.使恢复；使振作 _adj. 使人振作的 _adj. 振作的；精神的 _n.(精力)恢复；点心,refreshment,refreshing,refreshed, He felt _ after a _ bath. (refresh) Love is the greatest_ (refresh) in life.,refreshing,refreshed,refreshment,三、词组互译,pare.to _ e about _ 3.result in _ 4.be opposed to _ 5.on behalf of _ 6.put up with _,把比作,出现；发生,导致,反
5、对,代表；作的代言人,忍受；容忍,7.build up _ 8. 坚持；持续 _ 9.大体上；基本上 _ 10.只要 _ 11.如此；等等 _ 12.有意义；有差别 _,make a difference,锻炼；健身；增强,keep on,so long as,and so on,on the whole,四、词组运用,1.Does it_ to you if you are not invited to attend Jims birthday party? 2. _the climate in Beijing _ that in your place，and you will find o
6、urs is milder.,make any difference,Compare,with,3.The tragic catastrophe which broke out in Wenchuan _ a lot of death and the destruction of buildings. 4.“To be frank，I can hardly_ the noise you make.” shouted Tom.,resulted in,put up with,5.In spite of those shortcomings，he is_ _ a qualified teacher
7、. 6._ you continue working in this way，you will catch up with the others soon.,the whole,on,As long as,7.The mother，whose son died in the anti-Japanese war，accepted the medal _ _ her son，the hero of our country. 8.Sometimes it is hard to tell how a quarrel _ .,on behalf of,came about,9.The impact th
8、at the snow-storm had on this city was _. 10.At first he_ our suggestion，but we managed to bring him round.,was opposed to,building up,五、课文填空,The Earths surface temperature has risen by about one degree Fahrenheit today. There is no doubt 1 _ the earth is becoming warmer.But how has this come about
9、and does it matter? People have fierce debates about whether 2_is human activity that has caused this global warming，3_ (compare) with most of the natural changes.,compared,that,it,Many scientists 4 _ Dr. Janice Foster believe that people have caused the increase in the earths temperature 5_ burning
10、 fossil fuels like coal，natural gas and oil to produce energy.,like,by,Some byproducts of this process are called “greenhouse” gases，the most important one of 6 _ is carbon dioxide. The increased amount of carbon dioxide means that more heat energy 7_ (trap) in the atmosphere 8_ (cause) the global t
11、emperature to go up.,causing,which,is trapped,On 9 _ other hand，some scientists predict that any warming will be mild with few bad 10 _ (environment) consequences. Anyhow，even if we start reducing the amount of carbon dioxide and other greenhouse gases，the climate is going to keep on warming for dec
12、ades or centuries.,environmental,the,六、语法专练,1.阅读时碰到一个生词查一个是不好的。(it作形式主语) Its no good _(look) up every new word that you come across while reading. 2.我们相信教育的改善会导致一个更强、更加繁荣的社会。(it作形式主语) _ improvements in education will lead to a stronger，more prosperous society.,It is believed that,looking,3.作为一个人大代表，
13、他把反映广大人民的意见作为已任。(it 作形式宾语) As a NPC deputy，_ to reflect peoples views. 4.昨天晚上我在音乐会上见到的人是你吗？(强调句一般疑问句形式，强调主语) _ that I saw last night at the concert?,Was it you,he made it his duty,5.事实是人口仍在增长。(替代that从句) _ the population is still increasing. 6.这是这个月你第三次来迟了。(it is .when.) _when youve arrived late this month.,It is the third time,It is a fact that,掌握重要考点,核心单词,a large quantity of+n. 许多(作主语，谓语用单数) large quantities of+n. 许多(作主语，谓语用复数) in quantity大量地,
