What is the author’s opinion on the urban farms?

Small farms and the lack of modern technology have ______ agricultural production.

( ), Missouri, Iowa, Oklahoma and California have the most farms in the USA.

Uncle Li and Uncle Wang live in the low and broken houses because _( )_ . A: they hope to save money B: they're both poor C: their farms are at the foot of the mountain D: they're not far from their farms

In the city, where do people live? A: In houses and on farms B: in houses or apartments

All of the plants now raised on farms have been developed from the plants _____ wild. ( )

Wheat is ______ from the farms to the mills. A: carded B: conveyed C: transmitted D: transported

12. _______ can be found in the city. A: Country roads B: Museums C: Farms D: Ranches

中国大学MOOC: By closing the infected farms we’re hoping to ________ the disease to the north of the region.

4. Alisjahbana says although the economic incentive to replace forests with farms hampers conservation, long-term progress is being made.