—The old man and his wife have been used to a simple life.
—They feel very happy!
A:living
B:playing
C:walking
某校八年级学生王昊动一天在街闲逛,听说拨打119电话不要钱,于是就在一个公共电话随意拨打了119电话,谎称某地着火。王昊动同学的这种行为是
( )
关于电流跟电压和电阻关系,下列说法中正确的是( )
It is of you to work out the maths problem.