有排卵性功能失调性子宫出血患者多见于（）。
A.儿童期
B.育龄期
C.青春期
D.围绝经期
E.老年期
参考答案：B
----- Your classroom is very clean.
----- Yes, it ______ every day.
A. is cleaned B. cleans C. is cleaning
Which routing select algorithm is described below According to a kind of fix regulation, the select algorithm of route works and has nothing to do with the network information newly. ( )
A．Static Routing Algorithm
B．Dynamic Routing Algorithm
C．Centralized Routing Algorithm
D．Distributed Routing Algorithm
