2. 外语
  3. A、Machines can do all the physical work for man. B、Machines can do all the mental work for man. C、All heavy labor should be repl

A、Machines can do all the physical work for man. B、Machines can do all the mental work for man. C、All heavy labor should be repl

admin2009-04-23  122
问题  
Exercise is beneficial to your heart. A 22-year study was conducted by doctors in California. They found that people who work at physical jobs experience fewer heart attacks than other people. The active people work all the time at moderated speeds. Their daily routine gives them an adequate amount of exercise and helps them stay in shape. However, machines that can do heavy labor more speedily are replacing this type of work.
选项 A、Machines can do all the physical work for man.
B、Machines can do all the mental work for man.
C、All heavy labor should be replaced by machines.
D、All heavy labor shouldn’t be replaced by machines.
答案D
解析 What can be inferred from this article?
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大学英语四级

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