Unit7ProtecttheEarthSoundtime&Culturetime\n\nTrytomatchthephrases(将词组配对).1.weusewatertoA.makethings2.weuseenergyto4.weusetreesto5.weuseplastictoB.drinkandcleanC.drivecarsD.makebagsandbottlesE.keeptheairclean3.weusewoodtoLet’smatchThey’reuseful.What’stheuseof…?\nTrueorfalseWaterisveryuseful.TWeshouldsavewaterandreuseit.TWeshouldwastewater.F\nTrueorfalseMostofourenergycomesfromcoalandoil.TTrueorfalseThereisalotofcoalandoilonEarth.F\nTrueorfalseCarsusealotofenergy.TWeshouldcutdownmanytrees.FTreeshelpkeeptheairclean.TWeshouldnotuseplasticbags.T\nEarthdayison22ndApril.WorldEnvironmentDayison5thJune.Weshouldloveandprotectourearth.Listenandread\n1972年6月5日，联合国在瑞典首都斯德哥尔摩举行第一次人类环境会议，出席会议的多个国家和地区的代表建议将大会开幕日定为“世界环境日”。WeshouldloveandprotectourEarthWorldEnvironmentDayison5thJune.\n2009年第63届联合国大会决议将每年的4月22日定为“世界地球日”。EarthDayison22ndApril.WeshouldloveandprotectourEarth.\nWorldNo-SmokingDayison31stMay.\nWorldAnimalDayison4thOctober.\nTreePlantingDay(ArborDay)ison12thMarch.\nWorldWaterDayison22ndMarch.\nWorldForestDayison21stMarch.\n\nLet'schant\nmoongoodsooncooltootoothcookroomfootzoofoodbookfoolishwoodlookmooncartoon/uː/\nHomework1.默写本单元单词。