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  3. Most people who travel long distance complain of jetlag. Jetlag makes business travelers less productive and more prone【21】makin

Most people who travel long distance complain of jetlag. Jetlag makes business travelers less productive and more prone【21】makin

admin2012-10-23  50
问题     Most people who travel long distance complain of jetlag. Jetlag makes business travelers less productive and more prone【21】making mistakes. It is actually caused by【22】 of your "body clock" --a small cluster of brain cells that controls the timing of biological【23】. The body clock is designed for a【24】rhythm of daylight and darkness, so that it is thrown out of balance when it【25】 daylight and darkness at the "wrong" times in a new time zone. The【26】 of jetlag often persist for days【27】 the internal body clock slowly adjusts to the new time zone.
    Now a new anti-jetlag system is【28】 that is based on proven【29】 pioneering scientific  research. Dr, Martin Mooreede had【30】 a practical strategy to adjust the body clock much sooner to the new time zone【31】controlled exposure to bright light. The time zone shift is easy to accomplish and eliminates【32】 of the discomfort of jetlag.
    A successful time zone shift depends on knowing the exact times to either【33】 or avoid bright light. Exposure to light at the wrong time can actually make jetlag worse. The proper schedule【34】 light exposure depends a great deal on【35】 travel plans.  
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；或者是主动寻求光照，或者是避免光照。所以此处应该填入动词avoid的反义词。在A项 shed“流出，散发”；B项retrieve“寻回，找回”；C项seek“主动寻求”；D项attain“达到，完成，获得”中，C项是最符合要求的反义词。
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