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 and in villages. 【M1】______
Cities and states have to provide services city people want, such like more police 【M2】______
protection, more hospitals, and more schools. This means that more policemen,
more nurses and technicians, and more teachers must be hired. Advances in
technology has also changed people’s lives. Dishwashers and washing 【M3】______
machines do jobs that were once done by the hand. The widespread use 【M4】______
of such electrical appliances means that there is a need for servicemen to
keep it running properly. 【M5】______
    People are earning higher wages and salaries. This leads to changes in 【M6】______
the way of life. As income goes down, people may not want more food to 【M7】______
eat or more clothes to wear. But they may want more and better care from
doctors, dentists and hospitals. They are likely to travel more and to want
more education. Nevertheless, many more jobs are available in these services. 【M8】______
    The government also affects the kind of works people do. The governments 【M9】______
of most countries spend huge sums of money for international defense. They hire 【M10】______
thousands of engineers, scientists, clerks, typists and secretaries to work on the
many different aspects of defence.
【M3】

选项

答案has改为have

解析 (advances in machines作主语,谓语应用复数,故改为have。)
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