单项选择题

Which of the following might be the best title for this passage

A．Evolution of Sleep.
B．Two Types of Sleep.
C．The Original Function of Sleep.
D．Animals and Sleep.
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单项选择题
What might be the author's attitude towards competitions between nearby schools
A．The author is in favor of various kinds of competition.
B．The author is indifferent to any competition and its result.
C．The author is not certain of the effect of competitions.
D．The author is against inter-collegiate competitions.
单项选择题
According to the passage, the free market in secondary education _______.
A．only provides consumers with more information
B．is more competitive than the higher education market
C．means there will be more intensive competition than in colleges
D．is a real surprise to Britain's recent government
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