Itmaybedifficulttobelievebutin _______________thetechnologyforgrowingcropsindoorsalreadyexist.(n.事实)
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Howweliveourlivesaffectsthe _______________ .（n.环境）
Expertssayindoor _______________solvesmanyproblems.(n.农业)
It'sonlybecauseofproblemthatwe _______________mentallyandspiritually.（n.发展，成长）
Sixoutofonehundredcouples _______________severedomesticviolence.(v.经历)
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