A:2mol•L﹣1
B:3 mol•L﹣1
C:1mol•L﹣1
D:0.5 mol•L﹣1
读甲、乙两幅资料图,回答:
.
如图所示的情景中,关于力对物体做功的叙述,正确的是( )
—Yes, his name is Johnson and his name is Mike.