2. 外语
  3. 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

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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  【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 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 antijetlag system is  【28】______  that is based on proven  【29】______  pioneering scientific research. Dr. martin Moore-Ede has  【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 brightlight. 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.
   Data on a specific flight itinerary(施行路线) and the individual’s sleep  【36】______  are used to produce a Trip Guide with  【37】______  on exactly when to be exposed to bright light.
   When the Trip Guide calls  【38】______  bright light you should spend time outdoors if possible. If it is dark outside, or the weather is bad,  【39】______  you are on an aeroplane, you can use a special light device to provide the necessary light  【40】______  for a range of activities such as reading, watching TV or working.
【35】
选项 A、unique
B、specific
C、complicated
D、peculiar
答案B
解析 本题要求考生选用恰当的形容词作定语。空格所在句子是说：为了抗时差反应要制定恰当的时间表，这个表达很大程度上取决于“——旅行计划”。显然，这些计划是特定的。在4个选项中，B项specific是答案。specific意为“特有的，特定的”。peculiar意为“奇特的，奇怪的”。这个旅行计划显然不应该是奇怪的，因此选项D不是答案。 complicated意为“复杂的”。为抗时差反应而制定的旅行计划不该是复杂的，因此选项C也不是答案。unique意为“独特的，独一无二的”，即：unlike anything e
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