题目内容
用户程序必须通过程序接口方能取得操作系统的服务，该接口主要是由一组()组成的。
查看答案
搜索结果不匹配？点我反馈
更多问题
用户与系统管理员协商一个唯一的用户名，供该用户以后进入系统时使用，称此过程为()。
Who helped the interviewee when he was abroad for the first three weeks?
What happened to the interviewee after he had been abroad for about four or five months?He felt __________ and wanted to _____________.
Where did the interviewee first want to settle down and live for a year?
微信支付 
支付宝支付