话题17农业技术.doc

文档介绍：*姜=Unit2农业技术相关单词:,因为agriculturalpioneer农业先锋rid...of...使......摆脱......foodsupply食物供应chemicalfertilizer化肥farmingmethod耕作方法inaddition另夕卜berichin...富含 leadto导致makeadifference有作用beregardedas/beconsideredas被认为是 wouldratherdo...宁愿做 focuson集中注意力于 withthehopeof希望 keep...freefroni/of...使...免受(伤害)twiceasmuchas...是 anicfarming有机耕作everyfewyears每隔几年searchforaway寻找一种方法makeitpossibletodo...使...成为可能感参相关句子:Withchemicalfertilizers,thecropgrowsveryfast,,但没有足够的营养。Withthedevelopmentofthesociety,peoplecaremoreabouttheirhealth,,人们越来越注重健康,因此,他们总是选择被认为是健康的食物。Thechemicalsstayinsidethecropsforalongtime,whichcanleadtoillnesses,,甚至是癌症。Though(itis),但有机食物变得越来越受人们欢迎。。。Theincreasedharvestsmeanthat22%oftheworld'speoplearefedfromjust7%%的耕地养活了世界上22%的人曰。Usinghybridrice,,农民们种出的粮食比以前