49.What are the best known information agents? A: Personal agents B: User agents C: Predictive agents D: Buyer agents

What would be the biggest challenge when going to the agents? A: Some agents may have no legal professional title. B: Some agents may work on their own. C: Some agents don’t speak much English. D: Some agents won’t like to help foreigners.

关于属性的使用正确的是? private int num;public string Num{get{return num;};set{num=value;}}|private int num;private int Num{get{return num;}set{num=value;}}|private int num;public int Num{get{return num;}set{num=value;}}|private int num;public int Num{get{num=value;}set{return num;}}

(__) agents(造影剂)

 antiviral agents: 

antifumgal agents:

Anticholinesterase agents: 

中国大学MOOC: @num = (3,5,2,1,4);@num = sort(@num);push(@num, (6,7,8,9));pop(@num);shift(@num);执行以上语句后，@num=？

关于属性的使用正确的是 A: private int num;public string Num{get{return num;} set{num=value;}} B: private int num;public int Num{get{return num;}set{num=value;}} C: private int num;public int Num{get{num=value;}set{return num;}} D: private int num;private int Num{get{return num;}set{num=value;}}

unsignedcharnum;num=0X98;num=num%10;num=num%10;num=?() A: 15 B: 8 C: 9 D: 2