. encourages its guests to participate in its greening activities.
C. harvests food from its own garden on its property
D. has courses on the environment for its guests.
67. People who choose to stay at eco-hotels ______.
A. love to take a hike
B. enjoy the green atmosphere
C. have environmental awareness.
D. want to live comfortably
D
Scientists have found that human eyes are more likely to be damaged by UV rays (紫外线) while skiing in the snow-covered areas than sitting on the beach, according to a report by the UK newspaper The Telegraph.
The researchers at Kanazawa Medical University, Japan and American company Johnson conducted the study together. They looked at the effects of light reflection on newly fallen snow on a ski trail (a rough path) in Ishikawa District, northern Japan. They compared the results with the levels of UV rays on a sand beach in southern Japan's Okinawa District. They found that on the beach, eyes are exposed to a daily 260 kilojoules (千焦耳) of UV a square meter compared to 658 kilojoules in snow-covered areas.
The findings are supported by the Japan Meteorological Agency. According to the agency, the reflection rate of UV light on beaches is often between 10 and 25 percent, compared to 80 percent in the new snow areas. The amount of light increased 4 percent with a 300-meter rise in height.
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