Metro3000可以实现的功能有()
A.VP-RING功能
B.IP业务映射/L2汇聚功能
C.2.5G四纤复用段保护
D.RPR功能
参考答案:A, B, C, D
---- What ______great fun it would be if we could light candles to celebrate his birthday!
---- Forget it! The teacher in _______charge of our dorm won’t be happy to see that.
A./; /
B./; the
C.a; the
D.a; /
在导致肾阴亏虚的原因中,较为次要的是
A.久病伤阴,累及于肾B.五志过极化火,耗及于肾C.幼年肾气虚弱,老年精气衰退D.他脏为病,累及于肾E.房劳过度,耗伤于肾