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  3. Forget milky drinks, hot water bottles or curling up with a good book. The real secret to a good night’s sleep may be where you

Forget milky drinks, hot water bottles or curling up with a good book. The real secret to a good night’s sleep may be where you

admin2015-11-27  2
问题     Forget milky drinks, hot water bottles or curling up with a good book. The real secret to a good night’s sleep may be where you sit at work.
    Not only can the stress of work leave employees【C1】______and turning, but sitting too far from a window can knock 46 minutes【C2】______a normal night’s sleep. Researchers found that workers forced to【C3】______in windowless rooms had a poorer quality of life and more irregular sleep patterns than those【C4】______daylight.
    The findings, published in the Journal of Clinical Sleep Medicine,【C5】______the working environment may be【C6】______to setting the body’s own internal clock. Researchers say【C7】______designed offices could boost the physical and mental health of workers. "We suggest that architectural design of office environments should place more【C8】______on sufficient daylight exposure for workers in order to【C9】______health and well-being," said Dr Ivy Cheung of the Department of Neurology, Northwestern University, Chicago. "Office workers with more light exposure at the work place also【C10】______have better sleep quality, more physical activity and a better quality of life."
    A sunny day is equivalent to about 10,000 lux or higher of light. However indoor office lighting【C11】______provides only about 300 to 500 lux.
    One【C12】______three British people suffers from poor sleep, with stress, computers and taking work home often【C13】______for the shortage of quality sleep.
    【C14】______the cost of all those sleepless nights is more than just bad moods and a【C15】______of focus. Regular poor sleep【C16】______the risk of serious medical conditions like obesity, heart and diabetes—and can even shorten life expectancy.
    【C17】______exposure to natural daylight is known to be important for governing the body’s the built-in clock which【C18】______our sleeping and waking patterns. Independent sleep expert Dr Neil Stanley said the body needs exposure to daylight to keeps its sleeping patterns【C19】______Light is essentially the thing that tells our bodies to be【C20】______and dark tells them to go to sleep.
【C18】
选项 A、marks
B、dictates
C、records
D、distinguishes
答案B
解析 空格前的which指代the built-in clock，宾语为“我们的睡眠和清醒模式”。可以判定，生物钟影响着我们的活砖，故选B项dictates“控制；决定”。
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