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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  32
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、specific
B、complicated
C、unique
D、peculiar
答案A
解析 从原文上下文可知，此处需填入一个和individual“个人的”含义相仿的形容词。其中首先可以排除的是B项complicated“复杂的”，因为它与原文毫无关系；C项 unique表示“独一无二的，无双的”，侧重于鲜明的、有别其他事物的个体特征；D项peculiar除“特别的，独具的”含义之外，往往侧重“奇怪的，怪异的”，带有贬义；而A项specific可以用来表示“特定的，具体的”。用在此处最贴切。此外specific其他的意思为：“详细而精确的；明确的；详尽的；清楚的”。
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