单项选择题

By "critical times" (Line 4, Para 3) the author means______.

A．difficult period in the child's life.
B．moments when the child becomes critical towards its mother.
C．important stages in the child's development.
D．times when mothers often neglect their children.
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单项选择题
The author suggests in the last paragraph that______.
A．we should make full use of the Internet before security measures are strengthened
B．we should alert the most influential businessmen to the importance of security
C．influential businessmen should give priority to the improvement of the Net security
D．net inhabitants should not let security measures affect their joy of surfing the Internet
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The author's attitude toward SATAN is______.
A．enthusiastic
B．critical
C．positive
D．indifferent
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