根据下面的内容,回答{TSE}题.{TS}What does the passage mainly discuss?
A. The economic development of the Unites States in the eighteenth century.
B. Ways in Which economic development led to social changes in the United States.
C. Population growth in the western United States.
D. The increasing availability of industrial jobs for women in the Unites States.
第3题
第4题
A.一个RNC与CS域的CN之间最多存在一个Iu-CS接口
B.一个RNC与PS域的CN之间最多存在一个Iu-PS接口
C.一个RNC与BC域之间可以存在多个Iu-BC接口
D.以上说法均不正确
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