2. 外语
  3. Nowadays, air travel is very【C1】______. We are not surprised when we watch on TV that a politician has talked with French Presid

Nowadays, air travel is very【C1】______. We are not surprised when we watch on TV that a politician has talked with French Presid

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问题     Nowadays, air travel is very【C1】______. We are not surprised when we watch on TV that a politician has talked with French President in Paris and attended a meeting in Beijing on the same day.
    However, if a person takes long-distance flying frequently, he can be so tired that he maybe feel his brain is in one country, his【C2】______in another. In a word, he【C3】______knows where he is.
    When we fly from east to west or vice versa, the【C4】______we experience after taking along-distance flying is aggravated, because we cross time zones. According to doctors, air travelers, after crossing several time zones, are in no【C5】______to go to work, and they should go straight to bed【C6】______arrival.
    As to airline pilots who often live by their own watches and ignore local time, there is no need for them to worry about their health although they sometimes have breakfast at midnight, because they are used to【C7】______and are physically fit.
    Many businessmen like long-distance flights, thinking they are【C8】______to have been chosen and they are out for promotion. They are lucky, if the company follows the doctor’s advice and allow them to rest for a day or two before working. However, sometimes the manager is so energetic that he believes everyone is【C9】______to be as fit as he is. Since he has never felt uncomfortable after flying himself, the work he assigns is so【C10】______that the employee is too exhausted to carry the work out satisfactorily. That is disastrous for the employee’s health and the company’s reputation.
【C6】
选项 A、in
B、when
C、after
D、on
答案D
解析 本题考察的是介词on的用法。on有“就在…之后，一…就”的意思，本句的意思是“他们应该一下飞机，就直接去睡觉。”介词in没有这种用法。when做连词时，也有这种用法，但when后面应该接一个句子。介词after没有这种用法。所以，本题选择D。
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