关于机动车号牌的说法正确的是()
D
暂无解析
Hecouldnot________histearsonhearingthathewasnotadmittedtotheuniversity
Hetookhisumbrellawithhimlestit____(rain).
在下列叙述中正确的是()
Itisessentialthatyou__________anydocumentcarefullybeforesigningit.
质量m=2kg的质点沿x轴运动,运动方程为x=0.5t2(SI),从t=0s到t=3s过程中,外力对质点做功为()