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当在IFR条件下，双向无线电通信失效。若没有ATC指定航路或ATC所建议的预计下一指令指定的航路，飞行员应按什么航路飞行？

答案

参考答案：

行计划中所申请的航路。

填空题
选择方框内适当的单词或词组。每个单词、词组只能用一次。
date of birth, Chinese, how old,  Susan's birthday,
game, music, May, nineteenth, March, fourteen
1.—__________ is Li Lei's mother?
  —She's thirty-three
2. Mother's Day is the second Sunday of__________.
3. Eighteen boys are in the classroom You are the__________ one.
4. —What's your__________?
    —It's July 22nd.
5. We go to__________ party this Sunday
6. Lei's go to the soccer__________ on May 15th.
7. Many__________ people have English names
8. __________ 12th is Tree Planting Day (植树节)
9. Lisa is__________ and her brother is ten years old.
10. My sister doesn't like sports,but she likes__________.
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填空题

根据句意和所给中文写出句中所缺的单词。

1. —Where's Mr. Green? —He has gone to attend an ________(国际) meeting.

2. I write to my mother every week, ________ (主要) on Sundays.

3. The heavy work ________ (影响) his health, so he looked________ much older.

4. Do you know the saying, "A friend in need is a friend ________ (真正地).

5. It's important to ________ (教育) the young students.

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