题目内容
（请给出正确答案）
A．To combat competition and raise productivity.
B．To provide them with more job opportunities.
C．To help them maintain their living standard.
D．To prevent them from holding a second job.
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Which of the following statements can you infer from the passage？
A．The riders are competitive and fond of taking risks.
B．People except the riders show little interest in cyclo-cross.
C．Before 1967, amateur and professional classes had never been separated in competition.
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The word “combat”(Paragraph 4) is closet in meaning to “_________ ”
A． come back
B． combine
C． fight against
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A． combat
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It can be inferred from the last paragraph that scientists（）.
A．are puzzled by the mystery of forest pollution
B．feel relieved by the use of unleaded gasoline
C．still consider lead pollution a problem
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A．Only women were successful as water carriers.
B．Colonial women were particularly healthy and strong.
C．They were needed to make battle uniforms.
D．The army desperately needed combat soldiers.
A．to require
B．required
C．requiting
D．are required
A．to moving
B．to be moving
C．moving
D．be moving
