Ifthereisnoplants，peoplecouldnotlive．Weeatplants．Webrea...
问题详情：Ifthereisnoplants，peoplecouldnotlive．Weeatplants．Webreathetheoxygen(呼吸氧气)thatplantsproduce-Andweneedplantsbecausetheymakeourcitiesandourlifebeautifulandcolorful．That’swhyeveninbigmoderncities...