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1、Unit 4Global warmingPeriod OneWarming Up & Reading.用适当的介、副词填空1That probably does not seem much _ you or me，but it is a rapid increase when compared _ other natural changes.2So how has this come _ and does it matter?3All scientists subscribe _ the view that the increase _ the earths temperature is du
2、e _ the burning _ fossil fuels _ coal，natural gas and oil to produce energy.4The problem begins when we add huge quantities _ extra carbon dioxide into the atmosphere.5We know that the levels _ carbon dioxide have increased greatly over the last 100 _ 150 years.6He found that between these years the
3、 carbon dioxide _ the atmosphere went _ from around 315 parts _ around 370 parts per million.7They also agree that it is the burning of more and more fossil fuels that has resulted _ this increase in carbon dioxide.8However，the attitudes of scientists _ this rise are completely different.9_ the one
4、hand，Dr.Foster thinks that the trend which increases the temperature by 5 degrees would be catastrophe.10_ the other hand，there are those，like George Hambley，who are opposed _ this view and believe that we should not worry _ high levels of carbon dioxide _ the air.佳句翻译与仿写1There is no doubt that the
5、earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.翻译：_仿写：(1)毫无疑问，小麦的价格将会上涨。_(2)我在他口袋里发现的是一枚钥匙。_2All scientists subscribe to the view that the increase in the earths temperature is due to the burning of fossil fuels
6、like coal，natural gas and oil to produce energy.翻译：_仿写：(1)我们不同意我们已经失败的观点。_(2)他获得了奖学金的消息让我们都很吃惊。The news _ surprised all of us.3Without the greenhouse effect，the earth would be about thirtythree degrees Celsius cooler than it is.翻译：_仿写：(1)如果没有电，今天的生活就会完全不同。_(2)没有你的帮助，我无论如何也不会成功。_4Even if we start red
7、ucing the amount of carbon dioxide and other greenhouse gases，the climate is going to keep on warming for decades or centuries.翻译：_仿写：(1)即使受到邀请我也不去参加他的生日聚会。_，I will not go to his birthday party.(2)即使天气不好，我们也要作一次旅行。Well make a trip _.单项填空1The air inside is warm because the glass traps the heat from t
8、he sun and keeps it_.Aescaping Bnot to escapeCto escape Dfrom escaping2That probably does not seem much to you or me，but it is a rapid increase when_ to other natural changes.Acompared BcomparingCto compare Dcompare3It is human activity that has caused this global warming_ a random but natural pheno
9、menon.Amore than Bother thanCrather than Dexcept for4It was a scientist called Charles Keeling，_ made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.Awhich Bwhat Cif Dwho5All scientists_ the view that the increase in the earths temperature is due to the bur
10、ning of fossil fuels like coal，natural gas and oil_ energy.Aapply to；produceBcorrespond to；to produceCcater to；produceDsubscribe to；to produce6Some byproducts of this process are called “greenhouse” gases，the most important one of_ is carbon dioxide.Athat Bwhom Cwhich Dthese7It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to_.
