问题
单项选择题
ISUP消息中总是包含主叫用户号码的是（）
A.IAI
B.IAM
C.SAO
D.SAM
答案
参考答案：A
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ISUP消息中总是包含主叫用户号码的是（）
A.IAI
B.IAM
C.SAO
D.SAM
参考答案：A
| 完形填空。 | ||||
| Dick was a sailor (海员) on a big ship. He went to Japan and Australia, 1 Dick was often on the ship for several months at a time. When he woke up in the morning and 2 out,he only saw the sea, or sometimes a port (海港). When he was 23, Dick got married and bought a small house 3 a garden 4 his wife's town. It was far away from the sea. Then he had to go back to his 5 , and he was away from his home for 2 months. Then h  e went from the port to the 6 by bus,and was very happyto see his wife 7 . The next morning he 8 until nine o'clock. Then he woke up suddenly and looked out of the window. There were trees a few metres 9 . He was very surprised and jumped out of bed, shouting, "We've 10 land." | ||||
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