单项选择题

To define science, we can simply name it as ______.

A．the study of nature and mankind
B．an attempt to pose and prove hypotheses and theories
C．categorized knowledge
D．the study of unrelated natural phenomena
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单项选择题
The suggestion of most specialists to deal with young offenders is ______.
A．providing chances for vocational training and reemployment
B．sending them to private schools to receive remedial education
C．making use of small, decentralized, community-based correctional programmes
D．allowing them to live near their original communities
单项选择题
The most serious problem of large centralized correctional institutions is that ______.
A．they make no distinction between adult offenders and juvenile offenders
B．they make more delinquent youths lose hope for their future
C．their efforts to rehabilitate delinquent youths are completely in vain
D．they provide chances for delinquent youths to be more knowledgeable in crime
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