More and more people around the world are taking a look aturban farming. It can make our food as   (1)  as possible. By growingwhat we   (2)  near where we live, we decrease the“food miles”linked with long-distance   (3)  .We also get the freshest   (4)  .

Growing fruits and vegetables in cities will   (5)  thecommunity(社区) greatly.   (6)  can earn extra income by   (7)  excessive(多余的) produce at community events and farmersˈmarkets. As suchmarkets grow, they may   (8)  full-time staff from the community.Thus more job opportunities will be   (9)  .

Another benefit of urban farming is that it can make our cities  (10)  . It will add plants, bring fresh air, and   (11)  shading. It can helpraise peopleˈs awareness about the   (12)  . With more rooftops andyard gardens, local people would have more peaceful places for   (13)  .Whatˈs more, a greener city will   (14)  tourists.

However, there exist some   (15)  . For example, land in cities isoften expensive. If more urban gardens are   (16)  , the rents andhouse prices will be raised. Urban soils are often loaded withpoisons. This requires soil improvement   (17)  planting can be done  (18)  . Narrow space in cities can   (19)  the size of a farm. And gettingenough water and sunlight can be a(n)   (20)  task. Considering allthese problems, it seems that we still have a long way to go.