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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
admin
2010-06-30
24
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.
【37】
选项
A、directories
B、instructions
C、specifications
D、commentaries
答案
B
解析
本题也是要求考生选用恰当的名词,与with构成介词短语,修饰Trip Guide。我们使用旅行指南的目的是为了得到指引,instruction意为“说明,指导,指示”,符合句意,因此B项instructions是答案。directory意为“姓名住址簿”,a telephone directory是“电话簿”。C specification的复数形式specifications意为“明细表,规格(说明书),规范”, commentary的复数形式意为“实况报道”。directories,specifica
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本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
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公共英语(PETS)
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