What do we know about Coursera?

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问题 What do we know about Coursera?
  
Coursera is a MOOC platform that has provided free online courses to two million students, and is now looking toward mobile optimization and workforce development.
In high-income countries, 41% of men and 48% of women were insufficiently physically active, as compared to 18% of men and 21% of women in low-income countries.

选项 A、Men in high-income countries exercise more than those of women in low-income countries.
B、Women in low-income countries have less physical activities than those of men in high-income countries.
C、Women have more physical activities than men in all countries.
D、Men exercise more than women in all countries.

答案D

解析 从原文的数据比较来看,无论是在高收入国家还是低收入国家,男性缺乏锻炼(insufficiently physically active)的比重都比女性少,故D为正确答案。
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