Weallknowaboutthe_____thatsmokingcandotoourhealth.
A、hurt
B、injury
C、harm
D、wound
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyea
A、importance
B、attention
C、significance
D、popularity
A、置于该点的试验电荷所带电量
B、置于该点的试验电荷所受电场力
C、电势零点的选取
D、该点电场强度的大小
BeforetheSmithsmovedtoNewYork,theylivedinaquiet___(neighbor)ofBoston.
A、导体表面上电荷密度较大处电势较高
B、导体表面曲率半径较大处电势较高
C、导体表面的电势比导体内部的电势高
D、导体表面任一点与导体内部任一点的电势差等于零