高一英语下unit19reading课件
日期：2010-05-24 05:58
farmersworkmostofthedayallyeararound，buttheycouldnotproduceenoughfoodforthewholepopulationAtpresent，taste，rest，use，Unit19ModernAgricultureWhatkindofagriculturedoesthepictureshow?Traditionalormodern?Raisingchickensnumber，money，speed，Whichwayisbetter?Why?NaturallandAgreenhouseIsbuildinggreenhousesagoodwayforfarming?Why?Inthepast，theyusemoderntechniquessuchaschemicalfertilizers，farmersgrowcropsinthetraditionalwayUsingcattletoploughthefield，transport…Whataretheadvantagesanddisadvantagesoftwokindsoffertilisers?PloughwithanimalsAtractormoney，pollute，life…Whichwayofraisingchickensdoyouthinkisbetter?Why?NaturalfertiliserChemicalfertilisermoney，store，smell，greenhousesandsoonintheirfieldstoimproveagriculturalproductionGreatchangeshavetakenplaceinagricultureSummaryReading—Scanning1Thetextmainlytellsusabout_____AfarmersinChinaBthedevelopmentofagricultureinChinaCadvancedtechnologyinC，
查看全部