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 {{U}} {{U}} 1 {{/U}}
{{/U}}this week from U.N. Habitat, a United Nations agency. A
century ago, {{U}} {{U}} 2 {{/U}} {{/U}}than five percent of all
people lived in cities. {{U}} {{U}} 3 {{/U}} {{/U}}the middle of
this century it could be seventy percent, or {{U}} {{U}} 4
{{/U}} {{/U}}six and a half billion people. Already
three-fourths of people in {{U}} {{U}} 5 {{/U}} {{/U}}countries
live in cities. Now most urban population {{U}} {{U}} 6 {{/U}}
{{/U}}is in the developing world. Urbanization can lead to social
and economic progress, but also put {{U}} {{U}} 7 {{/U}}
{{/U}}on cities to provide housing and {{U}} {{U}} 8 {{/U}}
{{/U}}. The new report says almost two hundred thousand people move {{U}}
{{U}} 9 {{/U}} {{/U}}cities and towns each day. It says worsening
inequalities, {{U}} {{U}} 10 {{/U}} {{/U}}by social divisions
and differences in {{U}} {{U}} 11 {{/U}} {{/U}}, could result in
violence and crime unless cities plan better. Another issue is
urban sprawl (无序展的城区). This is where cities {{U}} {{U}} 12
{{/U}} {{/U}}quickly into rural areas, sometimes {{U}} {{U}} 13
{{/U}} {{/U}}a much faster rate than urban population growth.
Sprawl is common in the United States. Americans move a lot. In a recent study,
Art Hall at the University of Kansas found that people are moving away from the
{{U}} {{U}} 14 {{/U}} {{/U}}cities to smaller ones. He sees a
{{U}} {{U}} 15 {{/U}} {{/U}}toward "de-urbanization" across the
nation.
单选题
A. came on
B. came over
C. came off
D. came out
【正确答案】
D
【答案解析】[解析] come out：出版、发表；come on：开始、接着来；come over：过来、顺便来访；come off：结果、脱落。这里指发表报告。所以选D。