皮皮学,免费搜题
登录
搜题
【判断题】
在饱和 H 2 CO 3 溶液中, [H + ] 为 [CO 3 2- ] 的两倍
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】1912年第一张民用航空保险保险单诞生在哪个国家,这被看作是航空保险的萌芽
A.
美国
B.
英国
C.
法国
D.
中国
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 19th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt in necessary to develop their own industry.
C.
They were threatened by the Anglo-Saxons’ invasion.
D.
They had to do it in order to resist the English.
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 19th century?
A.
A .They needed a unified independent nation to fight against Viking raids.
B.
They felt in necessary to develop their own industry.
C.
They were threatened by the Anglo-saxons’ invasion.
D.
They had to do it in order to resist the English.
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 19th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt in necessary to develop their own industry.
C.
They were threatened by the Anglo-Saxons’ invasion.
D.
They had to do it in order to resist the English.
【多选题】20世纪30年代我国幼儿教育界有“南陈北张”的说法,是指()。
A.
陈鹤琴
B.
陶行知
C.
张之洞
D.
张雪门
E.
蔡元培
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 9th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt it necessary to develop their own industry.
C.
They were threathened by the Anglo-Saxon's invasion.
D.
They had to do it in order to resist the English.
【单选题】Why did Scottish Kings decide to form an independent singular Scottish state in the 9 th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt it necessary to develop their own industry
C.
They were threatened by the Anglo-Saxons’invasion.
D.
They had to do it in order to resist the English.
【多选题】20世纪30年代,我国幼教界有“南陈北张”之称,即指 (    )。
A.
张雪门
B.
张之洞
C.
张宗麟
D.
陈鹤琴
【单选题】20世纪30年代,我国幼教界有“南陈北张”之称,是指张雪门和( )
A.
陈独秀
B.
陈毅
C.
陈鹤琴
D.
陈近南
【判断题】在 解决负外部性时, 可以 交易的许可证比庇古 税和 管制更有效率 ,主要 原因在于, 许可证 可以 保证让 处理废弃物成本最低的企业减少排放。
A.
正确
B.
错误
相关题目: