皮皮学，免费搜题
登录
搜题
【多选题】
将一电荷量为 +Q 的小球放在不带电的附近,所形成的电场线分布如图所示,表面的电势处处相等。 a 、 b 为电场中的两点,则
A.
a 点的电场强度比 b 点的大
B.
a 点的电势比 b 点的高
C.
检验电荷 -q 在 a 点的电势能比在 b 点的大
D.
将检验电荷 -q 从 a 点移到 b 点的过程中，电场力做负功
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
【简答题】多边形的组成元素是 , 和 。
查看完整题目与答案
【判断题】[判断题] 经济基础对道德起决定作用,但道德在一定条件下对经济基础具有能动作用。( )
A.
正确
B.
错误
查看完整题目与答案
【多选题】多边形的组成元素是 , 和 。
A.
点
B.
线
C.
面
D.
体
查看完整题目与答案
【单选题】回答6~10题： Hyperinflation(极度通货膨胀)is defined as aneconomic condition during which there is steep increase in price． In accordance with the laws of economics，three factors combine to create this condition...
A.
the rapid decrease inprice
B.
the reasonable increase inprice
C.
the rapid increase inprice
D.
the short-term increase inprice
查看完整题目与答案
【简答题】Dear Sirs, 'Swallow' Pencils We refer you to our quotations of 25th October and our mail offer of 12th November regarding the supply of 'Swallow' Pencils. We are prepared to keep our offer open until ...
查看完整题目与答案
【判断题】多边形的组成元素是 点 , 线 和 面 。
A.
正确
B.
错误
查看完整题目与答案
【判断题】道德在一定条件下对经济基础具有决定作用。 ( )
A.
正确
B.
错误
查看完整题目与答案
【判断题】经济基础对道德具有决定作用,道德在一定条件下对经济基础具有能动作用。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the major change in agriculture during the 19th century?
A.
Specialized crops.
B.
Farm machinery.
C.
Extensive network of railroads.
D.
Unbalance of supply and demand.
查看完整题目与答案
【单选题】Whenever government intervention prevents prices from reaching their equilibrium level, the result will always include all of the following except______.
A.
shortages or surpluses
B.
demand and supply not equal
C.
reduced profits for producers
D.
resources not allocated by price
查看完整题目与答案
相关题目：
【简答题】多边形的组成元素是 , 和 。
查看完整题目与答案
【判断题】[判断题] 经济基础对道德起决定作用,但道德在一定条件下对经济基础具有能动作用。( )
A.
正确
B.
错误
查看完整题目与答案
【多选题】多边形的组成元素是 , 和 。
A.
点
B.
线
C.
面
D.
体
查看完整题目与答案
【单选题】回答6~10题： Hyperinflation(极度通货膨胀)is defined as aneconomic condition during which there is steep increase in price． In accordance with the laws of economics，three factors combine to create this condition...
A.
the rapid decrease inprice
B.
the reasonable increase inprice
C.
the rapid increase inprice
D.
the short-term increase inprice
查看完整题目与答案
【简答题】Dear Sirs, 'Swallow' Pencils We refer you to our quotations of 25th October and our mail offer of 12th November regarding the supply of 'Swallow' Pencils. We are prepared to keep our offer open until ...
查看完整题目与答案
【判断题】多边形的组成元素是 点 , 线 和 面 。
A.
正确
B.
错误
查看完整题目与答案
【判断题】道德在一定条件下对经济基础具有决定作用。 ( )
A.
正确
B.
错误
查看完整题目与答案
【判断题】经济基础对道德具有决定作用,道德在一定条件下对经济基础具有能动作用。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the major change in agriculture during the 19th century?
A.
Specialized crops.
B.
Farm machinery.
C.
Extensive network of railroads.
D.
Unbalance of supply and demand.
查看完整题目与答案
【单选题】Whenever government intervention prevents prices from reaching their equilibrium level, the result will always include all of the following except______.
A.
shortages or surpluses
B.
demand and supply not equal
C.
reduced profits for producers
D.
resources not allocated by price
查看完整题目与答案