2. 外语
  3. Much unfriendly feeling towards computers has based on the fear of widespread unemployment resulting from their introduction. C

Much unfriendly feeling towards computers has based on the fear of widespread unemployment resulting from their introduction. C

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问题     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 firm
introduces 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.
【M4】
选项
答案invested
解析 invest 作定语修饰dollar 它与dollar 是被动关系，实际上dollar 由一个定语从句 which is invested 修饰，省略了which is 故为invested。investing 表示主动。
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