【单选题】路由器的主要功能是 __________ 。
【单选题】Poetry became well-established as a literary form duringthe____________Dynasty
【单选题】Sir Philip Sidney was best known for his poetry as well as his critical essay on poetry which entitled ______.
【简答题】简单描述,如何使一张图片置于手机屏幕底端中央处,并附上相应代码
【单选题】After his first book of poetry was published, he ______ and became famous nationwide overnight.
【判断题】Poetry became well-established as a literary form during the Qin Dynasty.
【多选题】取盐酸普鲁卡因约0,1g,加水2ml溶解后,加10%氢氧化钠溶液1ml,即生成白色沉淀;加热变为油状物;继续加热,产生的蒸汽能使湿润的红色石蕊试纸变蓝。在这个鉴别反应中,发生哪两个反应