问题
单项选择题
ILS的航向台的有效作用距离在航道中心线左右10°扇区内为：（）.
A.10海里
B.15海里
C.20海里
D.25海里
答案
参考答案：D
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ILS的航向台的有效作用距离在航道中心线左右10°扇区内为：（）.
A.10海里
B.15海里
C.20海里
D.25海里
参考答案：D
| 从右边B栏中选出与左边A栏相对应的答语，将其字母标号填入A栏前面的括号内。 |
| A | B |
| ( ) 1. What time is it now? ( ) 2. Where are you going? ( ) 3. What is Danny going to do? ( ) 4. What's Jenny doing now? ( ) 5. What do you want to do? | A. I'm going home. B. lt's ten. C. She is flying a kite. D. I want to go shopping. E. She is going to take a photo. |