A:高效性
B:专一性
C:稳定性
D:多样性
go, tomato, some, tidy, mother
I think watching table tennis match is ____ (simple) a waste of time. Why not take a walk in the garden, dear?
如图所示的平底容器,其质量为0.2kg,底面积为3×10﹣3m2,内装有1kg的水,测得容器中水的深度为20cm,若将该容器放在面积为1.5m2的水平桌中央,则容器对桌面的压强为____ Pa,水对容器底部的压强为____ Pa.(g取10N/kg)