运动强度越大,训练水平越低的人,“极点”出现得也越早而且越明显。()
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个体乳酸阈强度是发展有氧耐力训练的最佳强度。()
A. 正确
B. 错误
The main idea of the last paragraph is that ______ .
A. London still keeps buildings familiar to Dickens so as to commemorate him
B. many places in London offered inspirations to Dickens
C. a museum has been set up in honour of Dickens
D. for all the drastic changes, some places are still reminiscent of London in Dickens's time
相关系数γ是描述回归方程线性关系密切程度的指标,γ越接近1,x和y之间的线性关系越好。()
A. 正确
B. 错误