题目

与下列图片有关的说法,正确的是  (   )①图一所反应的是我国古代“耜耕”的耕作方式②图二所反应的土地所有制形成后来被封建土地所有制所取代③图三反映了我国战国时期在耕作方式上已使用铁犁牛耕A.①的说法正确,②③说法不正确 B.①②说法正确,③的说法不正确C.①②③的说法都正确                   D.①②③的说法都不正确With the word “ PM2.5” ________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.A. constantly B. consequently C. permanentlyD. immediately 
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