TO标签、From标签和Call-ID一起定义UAC和UAS间对等的SIP关系,称为对话(Dialog)。
TO标签、From标签和Call-ID一起定义UAC和UAS间对等的SIP关系,称为对话(Dialog)。
号召 A: call for B: call off C: call on D: call by
号召 A: call for B: call off C: call on D: call by
【单选题】The workers agreed to ____ the strike if the company would satisfy their demand. A) call off B) call out C) call to D) call on A. call off B. call out C. call to D. call on
【单选题】The workers agreed to ____ the strike if the company would satisfy their demand. A) call off B) call out C) call to D) call on A. call off B. call out C. call to D. call on
I ______ Chinese to be gracious hosts.: call back|call up|call upon|call with
I ______ Chinese to be gracious hosts.: call back|call up|call upon|call with
No one can _________ yesterday. A: call on B: call from C: call back D: call at
No one can _________ yesterday. A: call on B: call from C: call back D: call at
I ____ your office on my way to work. A: call at B: call for C: call in D: call on
I ____ your office on my way to work. A: call at B: call for C: call in D: call on
Their idea was to get us to the strike at once.A. call at B. call off C. call in D. call for
Their idea was to get us to the strike at once.A. call at B. call off C. call in D. call for
I used to ____ my teacher when I was in Beijing. A: call in. B: call at C: call for D: call on
I used to ____ my teacher when I was in Beijing. A: call in. B: call at C: call for D: call on
The foreign visitors will ______the Great Wall after a short rest. A: call in B: call off C: call for D: call on
The foreign visitors will ______the Great Wall after a short rest. A: call in B: call off C: call for D: call on
I now________ the chairman to address the meeting. A: call for B: call upon C: call up D: call out
I now________ the chairman to address the meeting. A: call for B: call upon C: call up D: call out