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.
【M5】

选项

答案it→them

解析 根据本句的句意可知,it在这里指代electrical appliances,故答案是将it改为them。
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