2. 外语
  3. Which of the following services is not offered by the federal government? In telephone or electric service, regulation is neces

Which of the following services is not offered by the federal government? In telephone or electric service, regulation is neces

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问题 Which of the following services is not offered by the federal government?
In telephone or electric service, regulation is necessary because______.
选项 A、in these areas monopoly has been established
B、these areas are faced with fierce competitions
C、these enterprises are inclined to make unfair security
D、these enterprises concern a lot with the public security
答案A
解析
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