run provide sum hand available lead wear instead likely also Changes in the way people l

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问题 run     provide     sum     hand     available     lead     wear     instead     likely     also
    Changes in the way people live bring about changes in the jobs that they do. More and more people live in towns and cities【K1】______of on farms and in villages. Cities and states have to【K2】______services city people want, such as more police protection, more hospitals and more schools. This means that more policemen, more nurses and technicians, and more teachers must be hired. Advances in technology have【K3】______changed people’s lives. Dishwashers and washing machines do jobs that were once done by【K4】______The widespread use of electrical appliances means that there is a need for servicemen to keep them【K5】______properly.
    People are earning higher wages and salaries. This【K6】______to changes in the way of life. As income goes up, people may not want more food to eat or more clothes to【K7】______But they may want more and better care from doctors, dentists and hospitals. They are【K8】______to travel more and to want more education.
    Therefore, many more jobs are【K9】______in these services. The government also affects the kind of works people do. The governments of most countries spend huge【K10】______of money for international defense, for they hire thousands of engineers, scientists, clerks, typists and secretaries to work on the many different aspects of defense.
【K4】

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