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【单选题】
下列哪一指标可最有效地评定肺的换气功能 ( )
A.
氧利用系数
B.
肺活量
C.
每分最大通气量
D.
通气 / 血流比值
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【单选题】运动心理学侧重研究( )过程中的心理现象。
A.
体育教学
B.
竞技运动训练和比赛
C.
体育锻炼
D.
娱乐
【单选题】侧重研究竞技运动训练和比赛中的心理现象的是
A.
体育心理学
B.
运动心理学
C.
锻炼心理学
D.
教练心理学
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【单选题】金融市场各种运行机制中最主要的是
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交易机制
C.
价格机制
D.
监督机制
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