飞信IVR语音聊天漫游资费（）元/分钟，主被叫资费标准相同。
A.0.15
B.0.25
C.0.5
D.1
参考答案：C
He asked me_____ with me.
A．what the matter is
B．what the matter was
C．what is the matter
D．what was the matter
根据工业企业的（），企业可划分为现代工业企业和手工业两种。
A.自然属性
B.社会属性
C.技术装备
D.企业规模
