| Most people who travel long distance
complain of jetlag. Jetlag makes business travelers less productive and more
prone (31) making mistakes. It is actually caused by
(32) of your "body clock"—a small cluster of brain cells that
controls the timing of biological (33) . The body clock is
designed for a (34) rhythm of daylight and darkness, so that
it is thrown out of balance when it (35) daylight and
darkness at the "wrong" times in a new time zone. The (36) of
jetlag persist for days (37) the internal body clock slowly
adjusts to the new time zone. Now a new anti-jetlag system is (38) that is based on proven (39) .pioneering scientific research. Dr. Martin Mooreede had (40) a practical strategy to adjust the body clock much sooner to the new time zone through controlled exp A. from B. of C. for D. to [单项选择]Government deregulation of the long-distance telephone business has resulted in increased competition among telephone carriers, thus resulting in lower prices for consumers. This process, however, will ultimately result in lower-quality service for consumers, because as the telephone carriers drop their prices to compete with one another for customers, they will be forced to cut corners on non-essential items like customer service. Which of the following, if true, casts the most doubt on the argument that government deregulation of the telephone business will result in lower-quality customer service ？（）
A. Technological advances have decreased the cost of providing long-distance telephone service to less than one-half of its cost prior to deregulation. B. In a customer survey regarding the electric utility business, another industry that recently went through deregulation, surveyors found that customer dissatisfaction with service was 30 percent higher than prior to deregulation. C. Customers have listed poor customer service as their number one reason for switching from one long-distance telephone service provider to another. D. Some companies have decreased the cost of customer service by installing automated telephone response systems that eliminate the need for expensive live employees. E. The greatest competition for long-distance telephone service providers will come not from traditional telephone companies, but from cellular telephone service providers. [单项选择]Most people who travel long distance complain of jetlag. 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 it 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 anti-jetlag system is (28) that is based on proven (29) pioneering scientific research. Dr, Martin Mooreede had (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 A. extensive B. tentative C. broad D. inclusive 我来回答: 提交
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