問題詳情

A. howeverB. ariseC. lead toD. make upE. riseAB. thereforeAC. adjustmentAD. takes      Jet lag, caused by traveling between time zones, is becoming a common problem for frequent travels: for 49 percent it is only a nuisance and for 45 percent it is a real problem. It is caused by disruption to the internal biological clock, and many ___46__ digestive problems, tiredness and sleep disruption.     Generally speaking, our biological clock is slightly disturbed if we just move into the next time zone, but jet lag becomes a problem once we have passed through three or four time zones. The body __47__ about one day to get over each hour of time difference. But the seriousness of jet lag problems also depends on our direction of travel. If we go north or south, we won’t notice any difference, because there is no time zone change. ___48__, if we travel west we will be in advance of ourselves as far as our internal clock is concerned, and problems may __49__. A west-to-east journey, on the other hand, makes us late compared to the local time. It often demands even greater effort in __50__ since we are not quick enough to catch up with the new time schedule. Therefore, a trip form New York to Los Angeles often causes fewer problems than a Los Angeles-New York trip.
46

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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