【单选题】(2013·河北唐山模拟)The bell rang and every student had to ________ their examination papers.
【单选题】His opinion was quite ______ so we had to give up persuading him.
【判断题】上海银行卡网银服务中心是传统银行专用于chinapay支付网关相连接的对外接口之一。( )
【多选题】广联达“5D施工管理”理念指的是哪些建筑信息?
【判断题】C语言中,字符数据用格式说明"%c"来输出,字符串数据用格式说明"%s"来输出