问题
单项选择题
121.5MHZELT具有的覆盖模式是（）模式
A、本地
B、全球覆盖
C、存储转发
D、A/B
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
121.5MHZELT具有的覆盖模式是（）模式
A、本地
B、全球覆盖
C、存储转发
D、A/B
参考答案：A
| 从Ⅱ栏中选出与Ⅰ栏相对应的正确答语。 |
| Ⅰ ( )1.What are you going to do this Sunday evening? ( )2. Why not come with me? ( )3. I have a backache. ( )4. Are you sure? ( )5. What's the matter with it? | Ⅱ A. It doesn't work. B. I'd like to, but I'm too busy. C. Yes, quite sure. D. I'm going to a concert. E. You shouldn't lift heavy things. |