—What do you think of your new job, Jim?
—It's _______. I do exactly the same thing every day.
“金银铜铁锡”俗称五金,相关叙述错误的是( )
直线l1:y=k1x+b与直线l2:y=k2x在同一平面直角坐标系中的图象如图所示,则关于x的不等式k2x>k1x+b的解集为( )
有关对磁场的认识和电磁知识的应用,下列说法中正确的是( )