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

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

游客2025-03-18  39
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 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【C3】______rhythm of daylight and darkness, so that it is thrown out of balance when it【C4】______daylight and darkness at the "wrong" times in a new time zone. The symptoms of jetlag often persist for days【C5】______the internal body clock slowly adjusts to the new time zone.
    Now a new anti-jetlag system is【C6】______that is based on proven tentative pioneering scientific research. Dr. Martin Moore Ede had【C7】______a practical strategy to adjust the body clock much sooner to the new time zone through 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. [br] 【C5】
选项 A、if
B、whereas
C、while
D、although
答案 C
解析 依据句意，人体生理节奏遭到破坏的症状常常会持续好多天，与此同时，人体内部的时钟慢慢地调节以适应新的时区。正确选项应为C项。while一词引出时间状语从句时，表示从句的动作与主句的动作同时发生。此外，while表示从句的动作与主句的动作同时发生，还兼有whereas(反过来，另一方面)和although(虽然，尽管)的词义。选项if只引出条件状语从句，故应排除。
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