Unit8Weshouldn’twastewater.MissYang•should[ʃʊd]应该•shouldn’t=shouldnot不应该•waste[weɪst]浪费•blouse[blaʊz]女士短上衣•enough[ɪ'nʌf]足够的•save[seɪv]节约•drop[drɒp](一)滴•fresh[freʃ]新鲜的•litter[‘lɪtə(r)]乱扔Lookatthisearth.Thisisourhome.Thereare……what’swrongwithher?dirtyshouldshouldn’t应该不应该keeptheriverscleanWeshouldkeeptheriversclean.keeptheaircleanandfreshWeshouldkeeptheaircleanandfresh.plantmoretreesWeshouldplantmoretrees.usebikesinsteadofcarsWeshouldusebikesinsteadofcars.shouldn’tkillwildanimalsWeshouldn’tkillwildanimals.shouldn’twastewaterWeshouldn’twastewater.shouldn’tlitterWeshouldn’tlitter.•keeptheriversclean•保持河流干净•keeptheaircleanandfresh•保持空气干净又清新•plantmoretrees•种植更多的树•usebikesinsteadofcars•用自行车代替小汽车•shouldn’tkillwildanimals•不应该捕杀野生动物•shouldn’twastewater•不应该浪费水•shouldn’tlitter•不应该乱扔垃圾1.Whatisthegirldoing?2.Whatshouldn’twedo?3.Isthereenoughwaterontheearth?4.Whatmustwedo?PartASheiswashingherblouse.Weshouldn’twastewater.No,itisn’t.Wemustsaveeverydropofwater.Whatshouldwedo?Weshould….Whatshouldn’twedo?Weshouldn’t…plantmoretreeskillwildanimalssavewaterlitterHowtomakeourschoolmorebeautiful?Whatshouldwedo?Whatshouldn’twedo?保护环境人人有责NewWords•wash•blouse•why•need•everyone•enough•earth•save•drop•洗•女装衬衫•为什么•需要•每人•足够的•地球•节约•滴•抄写第八单元的生词。每个一行,一行四个。