TDD-LTE可以支持()种上下行配比.
A、5
B、6
C、7
D、8
参考答案:C
下列诊断哪一项符合此产妇
A.潜伏期延长
B.活跃期延长
C.活跃期停滞
D.二程延长
E.滞产
Which is ______ to learn, fishing or swimming? [ ]
A. easy
B. easier
C. the easier
D. more easily