Over half the world’s people now live in cities. The latest “Global Report on Human Settlements” says a significant change took place last year. The report (1) this week from U.N. Habitat, a United Nations agency. A century ago, (2) than five percent of all people lived in cities. (3) the middle of this century it could be seventy percent, or (4) six and a half billion people. Already three-fourths of people in (5)countries live in cities. Now most urban population (6) is in the developing world. Urbanization can (7) to social and economic progress, but also put (8) on cities to provide housing and (9) . The new report says almost two hundred thousand people move (10) cities and towns each day. It says worsening inequalities, (11) by social divisions and differences in (12) , could result in violence and crime (13) cities plan better. Another issue is urban sprawl (无序扩展的城区). This is where cities (14) quickly into rural areas, sometimes (15) a much faster rate th
A. essential
B. primitive
C. prior
D. major
Over half the world’s people now live in cities. The latest “Global Report on Human Settlements” says a significant change took place last year. The report (1) this week from U.N. Habitat, a United Nations agency. A century ago, (2) than five percent of all people lived in cities. (3) the middle of this century it could be seventy percent, or (4) six and a half billion people. Already three-fourths of people in (5)countries live in cities. Now most urban population (6) is in the developing world. Urbanization can (7) to social and economic progress, but also put (8) on cities to provide housing and (9) . The new report says almost two hundred thousand people move (10) cities and towns each day. It says worsening inequalities, (11) by social divisions and differences in (12) , could result in violence and crime (13) cities plan better. Another issue is urban sprawl (无序扩展的城区). This is where cities (1
A. came on
B. came off
C. came over
D. came out
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