单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read questions 17-20.
It can be inferred that ______.

A．computers will bring disaster
B．computer industry will not develop faster
C．computers will bring about more convenience to people’s life
D．none

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单项选择题

单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read questions 17-20. It can be inferred that ______. 您的浏览器不支持 audio 元素。