问题
单项选择题
高压压气机共有多少级（）
A.9
B.13
C.14
答案
参考答案：A
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高压压气机共有多少级（）
A.9
B.13
C.14
参考答案：A
| 选词填空。用方框中所给词的适当形式填空，使短文完整、正确、通顺。(每个词限用一次)。 | |
2 he went to the air hostess (空姐) and asked, "Could you help me? I can't find my seat." The air hostess showed 3 the seat and told him 4 and fasten the seat belt (系牢安全带). She told Allan not to move about when the plane was going up. And she also said that Allan's ears might feel 5 strange, but he didn't need to 6 it because many people felt 7 that. When the plane was flying very high. Allan could stand up and walk round. He could 8 read books, newspapers or see films. The air hostess would 9 food and drinks. Allan could enjoy the flight and 10 soon. 1. _________ 2. _________ 3. _________ 4. _________ 5. _________ 6. _________ 7. _________ 8. _________ 9. _________ 10. _________ |
