【简答题】唯一标识每一个用户的是用户()和用户名。
【判断题】唯一标识每一个用户的是用户ID和用户名。()
【判断题】古希腊时期就已经出现音阶了,还发明了五线谱。
【单选题】—There were already five people in the car but they managed to take me as well . —It a comfortable journey .
【单选题】The normal functioning of such branches were already guaranteed by their ( ) upon their establishment.这种分公司的正常职能在它们建立时已由其总部担保。
【判断题】唯一标识每一个用户的是用户IP和用户名。