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.
【C10】

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”,侧重于事物鲜明的、有别于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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