2. 考研
  3. Most people who travel long distance complain of jetlag.Jetlag makes business travelers less productive and more prone【C1】______

Most people who travel long distance complain of jetlag.Jetlag makes business travelers less productive and more prone【C1】______

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问题     Most people who travel long distance complain of jetlag.Jetlag makes business travelers less productive and more prone【C1】______making mistakes.It is actually caused by disruption of your "body clock’’—a small cluster of brain cells that controls the timing of biological【C2】______.The body clock is designed for a regular rhythm of daylight and darkness, so that it is thrown out of balance when it【C3】______daylight and darkness at the "wrong" times in a new time zone.The【C4】______of jetlag of ten persist for days while the internal body clock slowly adjusts to the new time zone.
    Now a new anti-jetlag system is【C5】______that is based on proven【C6】______pioneering scientific research.Dr.Martin Mooreede had devised a practical strategy to adjust the body clock much sooner to the new time zone【C7】______controlled exposure to bright light.The time zone shift is easy to accomplish and eliminates【C8】______of the discomfort of jetlag.
    A successful time zone shift depends on knowing the exact times to either【C9】______or avoid bright light.Exposure to light at the wrong time can actually make jetlag worse. The proper schedule for light exposure depends a great deal on【C10】______travel plans.
【C9】
选项 A、shed
B、retrieve
C、seek
D、attain
答案C
解析 根据原文：要想成功地调适生理节律以适应不同时区的转换，有两种办法：或者是避免，或者是主动寻求光照。所以此处应该填入动词avoid的反义词。A项shed意为“流出，散发”；B项retrieve意为“寻回，找回”；C项seek意为“主动寻求”；D项attain意为“达到，完成，获得”。其中C项是最符合要求的反义词。
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