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  3. Changes in the way people live bring about changes in the jobs that they do. More and more people live in towns and cities inste

Changes in the way people live bring about changes in the jobs that they do. More and more people live in towns and cities inste

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问题     Changes in the way people live bring about changes in the jobs that
they do. More and more people live in towns and cities instead on farms             【M1】______.
and in villages. Cities and states have to provide services city people want,
such like more police protection, more hospitals, more technicians, and             【M2】______.
more teachers must be hired. Advances in technology has also changed peo-           【M3】______.
ple’s lives. Dishwashers and washing machines do jobs that are once done            【M4】______.
by hand. The widespread use of such electrical appliances means that there
is a need for servicemen to keep it running properly.                               【M5】______.
    People are earning lower wages and salaries. This leads to changes in           【M6】______.
the means of life. As income goes up people may not want more food to               【M7】______.
eat or more clothes to wear. Therefore they may want more and better care           【M8】______.
from doctors, dentists and hospitals. They are likely to travel more and to
want more education. So, many more jobs are available in these services.
    The government also affects the kind of works people do. The govern-            【M9】______.
ments of most countries spend huge sums of money for international de               【M10】______.
fense. They hire thousands of engineers, scientists, clerks, typists and
secretaries to work on the many different aspects of defense.
【M4】
选项
答案改are为were
解析 该that从句中有过去时态的标志副词once，所以用过去时。
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大学英语四级

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