A:甲仍然静止,乙被推开
B:乙受到甲的推力,甲不受乙的推力作用
C:乙受到的推力大于甲受到的推力
D:甲、乙同时相对离开
如图所示,将重为5N的木块放入烧杯中,静止时木块所受浮力的大小为____ N,放入木块后,烧杯底部所受水的压强比原来____(填“变大”、“变小”或“不变”).
--There ______ many trees at the foot of the mountain.--But now they are slowly disappearing because of human activities.
秦始皇巡游各地前要向各地颁发圣旨,让各地作迎驾准备,圣旨上文字的书写应该是( )
- I don't know Kate's address. Do you know _______?
- Sorry, I don't know, either.