2. 职称英语
  3. Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag

Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag

游客2024-02-15  26
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 【C1】______ making mistakes. It is 【C2】______ caused by disruption (破坏) of your "body clock" -a small cluster of brain cells that controls the timing of biological 【C3】______ .
    The body clock is designed for a 【C4】______ rhythm of daylight, and darkness, so that it is thrown out of balance when it 【C5】______ day-light and darkness at the "wrong" times in a new time zone. The 【C6】______ of jetlag often persist for days 【C7】______ the internal body clock slowly adjusts to the new time zone. Now a new anti-jetlag system is 【C8】______ that is based on 【C9】______ pioneering scientific research. Dr. Martin Moore-Ede has 【C10】______ a practical strategy to adjust the body clock much sooner to the new time zone 【C11】______ shift is easy to accomplish and eliminates 【C12】______ of the discomfort of jetlag. A successful time zone shift depends on knowing the exact times to either 【C13】______ or avoid bright light. Exposure to light at the wrong time can actually make jetlag worse. The proper schedule 【C14】______ light exposure depends a great deal on 【C15】______ travel plans. Data on a specific flight itinerary (旅行路线) and the individual’s sleep 【C16】______ are used to produce a Trip Guide with 【C17】______ on exactly when to be exposed to bright light. When the Trip Guide calls 【C18】______ bright light you should spend time outdoors if possible. If it is dark outside, or the weather is bad, 【C19】______ you are on an aeroplane, you can use a special light device to provide the necessary light stimulus for a 【C20】______ of activities such as reading, watching TV or working. [br] 【C9】
选项 A、broad
B、inclusive
C、trying
D、extensive
答案 D
解析 考查语义。Extensive意为“广泛的，大量的”，符合句意。Broad意为“宽阔的”，如：a broad road(宽阔的马路)；inclusive表示“包含的，包括的”；trying意为“令人讨厌的”。
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