2022版高考英语一轮复习课时提升作业九必修2Unit4Wildlifeprotection作业课件新人教版.ppt

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1、课时提升作业九　必修2Unit4Wildlifeprotection(限时35分钟)Ⅰ.阅读理解A(2021·八省联考模拟)Inmyeverydaylife,Iamonanongoingjourneytofigureoutdifferentwaystoreducemycarbonfootprintontheplanet.Acarbonfootprintisthemeasureofinfluenceouractivitieshaveontheenvironment,inparticularclimatechange.Itiscalcu

2、latedbytheamountofgreenhousegasweproduceinourdailylives.Fortunately,nowadaysitismucheasiertomakeeco-friendlylifestylechoicesthan,let’ssay,20yearsago.Butonequestionhasbeenonmymindalotlately:isitbettertobuyneweco-friendlyproductsorusedtraditionallyproducedgoods?Afterdoin

3、gsomeresearch,Ihavedecidedthatsomethingsarebetternewandothersarebetterused.Letmetrytoexplain.Acarbonfootprintismadeupoftwoparts,theprimaryfootprintandthesecondaryfootprint.Theprimaryfootprintisameasureofourdirectemissions(排放)ofcarbondioxide(CO2)fromtheburningoffuels,in

4、cludinghouseholdenergyconsumptionandtransportation.ThesecondaryfootprintisameasureoftheindirectCO2emissionsfromthewholelifecycleofproductsweuse—thoserelatedtotheirproductionandbreakdown.Basedonthisunderstanding,wehaveagooddealofcontrolandresponsibilityoverourcarbonfoot

5、print.Thingslikedishes,clothesandfurniturefallintothe“secondaryfootprint”group,solessismoreandwecanfocusonfindingusedgoodstoavoidtheaddedproduction.However,forthecarandtheotherappliances(设备)thatweneedwecangowithnew,energy-savingmodels.Iheardsomewherethatelectronicsanda

6、ppliancesgiveoff90%oftheircarbonfootprintaftertheyleavethefactory.Soitseemsmostreasonabletogofortheenergy-savingmodels.Themainconcernhereistheamountofenergythatgoesintothemakingofnewproductsandwhetherornotthatextracarbonisworththefootprinttheproductwillmakeonceitgetsto

7、you.1.Whatisthetextmainlyabout?A.Whatappliancestobuytosaveenergy.B.Whatacarbonfootprintmeansinourlife.C.Howtoidentifydifferentcarbonfootprints.D.Howtomakeeco-friendlylifestylechoices.【解析】选D。主旨大意题。根据文章内容可知,本文主要探讨了如何降低碳排放量,如何做出一些有利于环境的正确的生活选择。2.Whatdoweknowaboutthesecond

8、arycarbonfootprint?A.Itisrelatedtoourconsumptionoffuels.B.Itismadewhenwearebuyingtheproducts.C.Itislessharmfulthanthe