衡量空运企业经济效益的三个重要指标是以下中的()。
A.飞机可用率
B.航班载运率
C.客座利用率
D.飞机利用率
E.航班正常
参考答案:B, C, D
根据句意完成已给出首字母的单词,使补全后的句子语法正确,意义通顺。
1. Impatience in everything is a f_____ of our age.
2. With g_____ wind brushing my face, I felt quite relaxed.
3. The film r_____ me of what I have seen in London last year.
4. No dish s_____ all tastes.
5. Young people usually have more e_____ than the old.
6. Xu Beihong was a famous painter, his paintings were on d_____ at the art gallery.
7. He is a p_____ for Life magazine.
8. We went to an e_____ of Chinese paintings at the museum.
9. Once there lived a f_____, he made a living by fishing.
10. Tony says he likes m_____ who write their own lyrics.
肺门增大的常见原因不包括().
A.肺门淋巴结肿大
B.肺门动脉扩张
C.肺门血管搏动增强
D.支气管壁增厚
E.肺门静脉扩张