第二部分　阅读理解(共两节，满分40分)

　　第一节(共15小题；每小题2分，满分30分)

　　阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。

　　A

　　(2015·黑龙江哈三中三模)

　　Two new studies suggest that modern running shoes could increase the risk of injuries to runners.

　　One study involved sixty­eight healthy young women and men who ran at least twenty­four kilometers a week. The runners were observed on a treadmill machine (跑步机). Sometimes they wore running shoes. Other times they ran barefoot (赤脚)．

　　Researchers from the JKM Technologies Company in Virginia, the University of Virginia and the University of Colorado did the study.

　　They found that running shoes create more stress that could damage knees, hips and ankle joints than running barefoot. They observed that the effect was even greater than the effect reported earlier for walking in high heels.

　　The study appeared in the official scientific journal of The American Academy of Physical Medicine.

　　The other study appeared in the journal Nature. It compared runners in the United States and Kenya. The researchers were from Harvard University in Massachusetts, Moi University in Kenya and the University of Glasgow in Scotland.

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