地理化显示功能可以显示以下哪些MRR的地理化分布()
A.下行RSCP
B.下行ISCP
C.上行ISCP
D.下行BLER
E.导频污染
参考答案:A, B, D, E
检识麻黄碱的方法有()
A.茚三酮反应
B.碱性硫酸铜反应
C.二硫化碳一碱性硫酸铜反
D.碘化铋钾反应
E.雷氏铵盐沉淀反应
―Thank you very much for giving me a hand when I was in trouble.
―Don’t mention it. I only did what anyone else _______ in my place.
A.must do
B.might do
C.would have done
D.can have done