问题
填空题
中国的国内No.7信令网采用三级的信令网结构，分别为（），LSTP，（）。信令网是由（）、（）以及连接它们的（）组成。
答案
参考答案：HSTP；SP；信令点；信令转接点；信令链路
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中国的国内No.7信令网采用三级的信令网结构，分别为（），LSTP，（）。信令网是由（）、（）以及连接它们的（）组成。
参考答案：HSTP；SP；信令点；信令转接点；信令链路
| 阅读理解。 | |
| |
| 1. Alan is studying in _________. | |
| A. Class 8, Grade 5 B. Mrs Green's class C. Woodland School D. America | |
| 2. Alan does well in _________. | |
| A. English and Home Economics B. English and Geography C. Maths and Geography D. History and Geography | |
| 3. Which of the following is right? | |
| A. Alan knows a lot about American history. B. Alan is clever and careful. C. Alan got a good result in Geography. D. Alan has a good memory. |