2. 外语
  3. No Jetlag(时差反应) Anymore Most people who travel long distances complain of jetlag(时差反应). Jetlag makes business travelers less

No Jetlag(时差反应) Anymore Most people who travel long distances complain of jetlag(时差反应). Jetlag makes business travelers less

admin2011-01-05  74
问题                     No Jetlag(时差反应) Anymore
    Most people who travel long distances complain of jetlag(时差反应). Jetlag makes business travelers less productive (对产的，有成效的) and more prone (51) making mistakes. It is actually caused by (52) of your "body clock"-a small cluster(串、组、群)of brain cells that controls the timing of biological (53) . The body clock is designed for a regular rhythm(节奏)of daylight and darkness, so that it is thrown out of balance when it experiences daylight and darkness at the "wrong" times in a new time zone. The (54) of jetlag often persist(持续) for days (55) the internal body clock slowly adjusts to the new time zone.
    Now a new anti-jetlag system is available that is based on proven, (56) and pioneering scientific research. Dr. Martin Moore has devised a practical strategy to adjust the body clock much sooner to the new time zone (57) controlled exposure to bright light. The time zone shift(转换) is easy to accomplish and eliminates (消除) (58) of the discomfort of jetlag.
    A successful time zone shift depends on knowing the exact times to either (59) or avoid bright light. Exposure to light at the wrong time can actually make jetlag worse. The proper schedule (60) light exposure depends a great deal on (61) travel plans.
    Data on a specific flight itinerary (旅行路线) and the individual’s sleep (62) are used to produce a trip guide with (63) on exactly when to be exposed to bright light.
    When the trip guide calls (64) bright light you should spend time outdoors if possible. If it is dark outside, or the weather is bad, (65) you are on an air plane, you can use a special light device to provide the necessary light stimulus(刺激) for a range of activities such as reading, watching TV or working.  
选项 A、directories
B、instructions
C、specifications
D、commentaries
答案B
解析 本题考查的同样是对同义词、近义词的辨析。本题所填单词后接on，修饰Trip Guide。使用旅行指南的目的是为了得到“指导”。instructions“说明，指示，指导，指南”：directories“姓名地址薄”；specifications“说明书，规范”；commentaries“实况报道，解说词”。
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本试题收录于： 职称英语理工类C级题库职称英语分类
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