问题
多项选择题
小区分裂意味着需要建设更多的基站和增大系统的建设投资，需要考虑以下因素：（）
A、可以保持频率复用规则图案的重复性；
B、保持已建基站继续使用；
C、减少或避免过渡区；
D、影响小区的继续分裂。
答案
参考答案：A, B, C
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小区分裂意味着需要建设更多的基站和增大系统的建设投资，需要考虑以下因素：（）
A、可以保持频率复用规则图案的重复性；
B、保持已建基站继续使用；
C、减少或避免过渡区；
D、影响小区的继续分裂。
参考答案：A, B, C
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| Jack lost (丢失) his job last week. It was difficult for him to find another 1 . 2 told him that it was possible to get a new one in a town two hundred kilometers 3 . He decided to get there 4 . So he went to the railway station and got 5 a train. He was the only one in the car (车厢). The train started. Suddenly a man came in 6 a gun and said to him, "Your money 7 your life!" Jack sat there without 8 up. "I 9 any money," Jack answered. "Then why are you so afraid of me?" the man asked angrily. "Because I 10 you were the conductor, and I didn't buy a ticket," answered Jack. | ||||
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