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.
【C7】
选项 A、fly
B、flying
C、live
D、lives
答案B
解析 本题考察的是use的用法。used to do something表示“曾经做过某事”；be used to something or be used to doing something表示“习惯于、适应”。由上文的意思可知，本句的意思是“飞行员已习惯了飞行，”选项A，C和D均不适合。所以，本题选择B。
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