填空题

Confusion and tiredness usually happen to those flight crews on international routes because most probably they have to suffer the differences in time zones.

【参考答案】

Y

<上一题目录下一题>

热门试题

填空题

It is possible that the air industry will experience a slow growth rate in the coming decade.

填空题

The best thing about the cargo carriers is that it offers door-to-door delivery service to the customers.