A UN report says that over half the world’s people now live in cities. A(1)______ago, less than five percent of all people lived

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问题     A UN report says that over half the world’s people now live in cities. A(1)______ago, less than five percent of all people lived in cities. By the middle of this century it could be 70 percent, or almost six and a half billion people. Already(2)______of people in developed countries live in cities. Now most(3)______population growth is in the developing world.
    Urbanization can lead to social and(4)______progress, but also pressure on cities to provide housing and(5)______. The new report says almost 200,000 people move into cities and towns each day. It says worsening unfairness, driven by social(6)______and differences in wealth, could lead to(7)______unless cities plan better. Another issue is urban expansion. This is where cities(8)______ into rural areas, sometimes at a much faster rate than urban population growth. (9)______. He sees a trend toward "de-urbanization" across America.
    But urban economies still provide possibilities that rural areas do not. Around the world, people leave rural farm jobs to go to the city.(10)______. Urban farming is taking hold in some of the world’s biggest cities.(11)______.
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A UN report says that over half the world’s people now live in cities. A(1)century ago, less than five percent of all people lived in cities. By the middle of this century it could be 70 percent, or almost six and a half billion people. Already(2)three-fourths of people in developed countries live in cities. Now most(3)urban population growth is in the developing world.
    Urbanization can lead to social and(4)economic progress, but also pressure on cities to provide housing and(5)services. The new report says almost 200,000 people move into cities and towns each day. It says worsening unfairness, driven by social(6)divisions and differences in wealth, could lead to(7)violence unless cities plan better. Another issue is urban expansion. This is where cities(8)expand into rural areas, sometimes at a much faster rate than urban population growth.(9)A recent study found that people are moving away from the major cities to smaller cities. He sees a trend toward "de-urbanization" across America.
    But urban economies still provide possibilities that rural areas do not. Around the world, people leave rural farm jobs to go to the city.(10)Yet now there is growing demand for farm products grown close to the cities where they are used. Urban farming is taking hold in some of the world’s biggest cities.(11)A leading researcher says studies show that urban farming is one area where women can earn more than men do.

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答案Yet now there is growing demand for farm products grown close to the cities where they are used

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