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【单选题】
如何生产大炮和黄油属于( )A.
成本
B.
资源选择
C.
资源缺稀
D.
资源配置
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】路由器的主要功能是 __________ 。
A.
放大传输信号
B.
将多个异构或同构的物理网络进行互连
C.
在传输层对数据帧进行存储转发
D.
用于传输层及以上各层的协议转换
【单选题】Poetry became well-established as a literary form duringthe____________Dynasty
A.
Qing
B.
Tang
C.
Han
D.
Song
【单选题】Sir Philip Sidney was best known for his poetry as well as his critical essay on poetry which entitled ______.
A.
The School of Abuse
B.
An Apology for Poetry
C.
Arcadia
D.
Astrophel and Stella
【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.
A.
was to be transformed
B.
was transformed
C.
would transform
D.
transformed
【判断题】Poetry became well-established as a literary form during the Qin Dynasty.
A.
正确
B.
错误
【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
A.
芳香第一胺反应
B.
生物碱反应
C.
盐酸普鲁卡因的水解
D.
盐酸普鲁卡因的聚合反应
E.
盐酸普鲁卡因的分解
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