新核心综合学术英语教程Unit 2.pptVIP

Language Points 1.It appears as though the crusade to determine the best alternative energy sources is seriously being looked into by lots of countries including most American cities. (Para. A, L1-2.) →It seems that lots of countries as well as most American cities are seriously investigating ways to launch the campaign of utilizing the best alternative energy sources. 翻译： 似乎许多国家，也包括大多数美国城市，正在认真发起一场寻找最佳替代能源的运动。 Reading 2 ■ Sentences： 这句话的句子主干是：It appears as though the crusade …is seriously being looked into by… Language Points 2.These renewable energy sources have been shown to be of great aid in cutting down the amount of toxins, which are by-products of the consumption of energy.(Para. B, L5-6.) 翻译： 经证明，这些可再生能源有助于减少有毒物质，即能源消耗所产生的副产品。 Reading 2 Language Points 3. The end products are then distributed to national electrical grids and small turbines owned by individuals to distribute electricity to far-flung areas and homes.(Para. F, L30-32.) 翻译：其产生的电能，通过国家电网和私人小型涡轮机，输送到偏远的地区和家庭。 Reading 2 Language Points 2. The downside of geothermal energy is the fact that it is expensive to build, and to ensure that no harmful by-products are going to be produced in the process, geothermal plants must be created accordingly. (Para. H, L41-43.) →There are two negative aspects of geothermal energy. One is that it is expensive to build and the other is geothermal plants must be set up to ensure no harmful by-products during the process. 翻译： 地热能的不足之处就是其获取费用太高，但为了确保在利用地热能过程中无有害副产品的产生，地热发电厂的修建必不可少。 Reading 2 Language Points 5.The difference is that we use the force of the water to push the turbine which in turn powers a generator thus generating electricity.(Para. I, L48-49.) 翻译： 那就是，现在利用水力推动涡轮机为发电机提供动力，进而产生电能。 Reading 2 Language Points 6.Agriculturally produced biomass fuels, such as bio-diesel and ethanol can be burned in internal combustion engines or boilers.(Para. K, L59-60.) 翻译： Reading 2 农业上生产的生物质燃料，如生物柴油、乙醇，可在内燃机或锅炉内燃烧。 Language Points 7.Right now, it is the only fuel approv