单项选择题

GY／T106－1999《有线电视广播系统技术规范》中将87－108MHz频段用于()。

A.上行业务
B.数据业务
C.FM广播业务
D.模拟/数字电视业务
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单项选择题
UMG8900中实现MTP3－M3UA的SG功能的单板是（）。
A.MHRU
B.MPPB
C.MASU和MPPB
D.MSPF
单项选择题
Which is true about pessimistic people according to the lecture?A. Pessimists have little control over their determination.B. Pessimists have a welcome trait for entrepreneurs.C. Pessimists are more likely to start smoking again sooner.D. Pessimists like to take chances.
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