人教版（新课程标准）必修1 Unit 4 Earthquakes单元主题素养阅读A（11张ppt）.ppt

素养阅读系列课件素养阅读系列课件The Power of Pig Poo读有所获读有所获练有所得练有所得词汇积累词汇积累长难句分析长难句分析学有所益学有所益With revenue（收益）from pig products getting smaller every year,some farmers from rural England have decided to make some extra money by turning poo into profit.James Hart,who runs a pig farm,came up with a simple solution of using lots of pig faeces,cow dung and chicken droppings on his farm to generate electricity.读有所获读有所获It may look unremarkable from the outside,but inside Glebe Farm there is a state-of-the-art biogas station.Its one of only a few in the UK,which has been slower than many of its European neighbors in developing renewable energy such as wind turbines and solar panels.读有所获读有所获So how does it work?Large quantities of animal waste are mixed with lots of grass in a tower.Bacteria then break it all down,producing methane(沼气），which is siphoned off（吸），cleaned and filtered（过滤).The gas is then used to power an engine which in turn powers a generator.The electricity from this is then fed into the National Grid.Mr.Hart thinks hell be able to sell 2.2 million kilowatt hours of electricity every year.读有所获读有所获The heat generated by the process is also captured and used for central heating at the farmhouse.But its not only Glebe Farm which benefits.Methane is one of the most powerful greenhouse gases-20 times worse than carbon dioxide in trapping heat in the atmosphere.By capturing so much of it,Mr.Hart expects to reduce his carbon footprint by about 10,000 tonnes a year.读有所获读有所获James Hart says hes pleased because hes managed to find another source of income and improve his environmental impact.读有所获读有所获What made some farmers from rural England think of making money out of poo?A.Developing renewable energy.B.Most powerful greenhouse gases.C.The good profit of poo.D.Reducing profits from pig products.答案:D答答案案解解析析1练有所得练有所得How does methane work to generate electricity?A.After being dealt with in a particular way,methane is used to power an engine which in turn powers a generator.B.By mixing lots of animal waste with lots of grass in a tower.C.By capturing and using it for central heating at the farmhouse.D.Farmers use methane to trap heat in the atmosphere.答案:A答答案案解解析析2练有所得练有所得 Its one of only a few in the UK,which has been slower than many of its European neighbors in developing renewable energy such as wind turbines and solar panels.是一个复合句，Its one of only a few in theUK是主句，which引导非限制性定语从句。学有所益学有所益长难句分析1.poon.屎2.profit n.利润3.faeces n.粪便4.generate v.产生5.unremarkable adj.平常的6.renewable adj.可再生的7.capture vt.捕获8.trap vt.留存；储存9.footprint n.（某物所占的）空间量，面积词汇积累