题目内容
In scientific reports, the authors would like to quote other experts’ opinions or ideas to make the reports more reliable so as to convince the audience. Please read through the text again and find out which of the following opinions are quoted from Professor Alexander G. Robling; which from Dr. Daniel W. Barry.“Even a mild amount of jumping exercise will be beneficial for bone health.”______
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Most researchers once believed that all the exercises would be helpful for bone health.
The speed of a brisk walking will have an influence on a person’s bone health.
Exercises that bend the bone will stretch the bone cells thus strengthening the bone health.
What really matters to strengthen the bones is to bathe the bone cells in fluid rather than stretch them, because the latter is almost unlikely to achieve.
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