可视电话业务是一种集()、()于一体的多媒体通信业务。
参考答案:视频;话音
– Sir, we have failed to work out this problem. What is exactly the right way?
--- Look. Only in this way ________ , but you boys _____ a wrong way.
A.you can work it out; take
B.you can work out it; take
C.can you work it out; take
D.can you work it out; took
下列企业由张謇创办的是[ ]
A.大久精盐公司
B.福新面粉厂
C.大生纱厂
D.南洋兄弟烟草公司