MSR系列路由器上支持哪些语音模块（）。
A.FXO
B.FXO与FXS端口数1：1的语音模块
C.VE1
D.FXS
参考答案：A, B, C, D
下列植物靠水来传播种子的是？（）
A.蒲公英
B.凤仙花
C.苍耳
D.椰子
I can't buy the book now. I _____ the money in my pocket yesterday. [ ]
A. ran out
B. ran out of
C. took out of
