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Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less productive and more pr
Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less productive and more pr
admin
2013-04-08
27
问题
Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less productive and more prone 【C1】______ making mistakes. It is 【C2】______ caused by disruption (破坏) of your "body clock" -a small cluster of brain cells that controls the timing of biological 【C3】______ .
The body clock is designed for a 【C4】______ rhythm of daylight, and darkness, so that it is thrown out of balance when it 【C5】______ day-light and darkness at the "wrong" times in a new time zone. The 【C6】______ of jetlag often persist for days 【C7】______ the internal body clock slowly adjusts to the new time zone. Now a new anti-jetlag system is 【C8】______ that is based on 【C9】______ pioneering scientific research. Dr. Martin Moore-Ede has 【C10】______ a practical strategy to adjust the body clock much sooner to the new time zone 【C11】______ shift is easy to accomplish and eliminates 【C12】______ of the discomfort of jetlag. A successful time zone shift depends on knowing the exact times to either 【C13】______ or avoid bright light. Exposure to light at the wrong time can actually make jetlag worse. The proper schedule 【C14】______ light exposure depends a great deal on 【C15】______ travel plans. Data on a specific flight itinerary (旅行路线) and the individual’s sleep 【C16】______ are used to produce a Trip Guide with 【C17】______ on exactly when to be exposed to bright light. When the Trip Guide calls 【C18】______ bright light you should spend time outdoors if possible. If it is dark outside, or the weather is bad, 【C19】______ you are on an aeroplane, you can use a special light device to provide the necessary light stimulus for a 【C20】______ of activities such as reading, watching TV or working.
【C8】
选项
A、adaptable
B、approachable
C、available
D、agreeable
答案
C
解析
考查语义。Adaptable意为“可适应的;可改造的”;approachable意为“可接近的;友善的”:available意为“可利用的;可获得的:有时间的”,如:The dictionary is not available in China.(这本词典在中国头不到。);The manager will be available in the afternoon.(经理下午在。);agreeable意为“惬意的,令人愉快的”。本句句意为:在最大量前沿科学研究基础上,反时差反应系统已经面世。
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0
大学英语四级
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