—Tomorrow will be the fourth Sunday of April.

Much unfriendly feeling towards computers has based on the fear of widespread unemployment resulting from their introduction. Computers are often used as part of automated production systems required a least possible number of operators, causing the loss 【M1】______of many jobs.This has been happened, for example, in many steelworks. 【M2】______On the other hand, computers does create jobs. They are more skilled and better 【M3】______paid, though less in number than those they replaced. Many 【M4】______activities can not continue in their present form. without computers, no matter how 【M5】______many people are employed. Examples is the check clearing( 票据交换) 【M6】______system of major banks and the weather forecasting system. When a firmintroduces computers, few people are usually employed in key posts (such as jobs 【M7】______of operation managers)while other staff is retrained as operators, programmers, data 【M8】______preparation staff. After the new system have settled down, people in non-computer 【M9】______jobs are not always replaced.When they leave, resulting to a decrease in the number of employees. 【M10】______This decrease is sometimes balanced by a substantial increase in the activity of the firm, resulting from the introduction of computers.【M1】 点击查看答案

Lets______the boxes to the house.

A．carry
B．to
B.carried
D．carrying

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