The paragraph following the passage most likely discusses
A. unusual ways to advertise products.
B. types of payment plans for service.
C. theories about how products affect different levels of society.
D. bow certain elements of a price "package" influence its market value.
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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。()
A. 正确
B. 错误
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