马钱子内服炮制后入丸散的用量是
A、0015~003gD
暂无解析
花样滑冰运动员绕通过自身的竖直轴转动,开始时两臂合拢,转动惯量为J0,角速度为ω0;当其两臂伸开后,角速度变为5ω0/6,则其转动惯量变为(忽略阻力)
资本主义的利润率是()
Decisionmakersmusthavesomewayofdeterminingofseveralalternativesisbest.()
thebossescannotdowithoutprofit,workershaveanedge.
We______togotothesupermarketbecausewehadplentyoffood.