某小组用塑料瓶做了以下实验: (1) 将塑料瓶装满水,覆盖一张硬纸片后倒置,水和纸片均不会下落,如图甲所示,该实验说明了的存在。 (2) 将塑料瓶装满水,在瓶侧面扎两个小孔,水从小孔流出,如图乙所示,该实验说明液体压强与有关。 (3) 如图丙所示,将一个完好的空塑料瓶横放并固定在水平桌面上,一个小纸团放在瓶口处,正对着瓶口用力迅速吹气,此时小纸团将会(选填“飞出瓶外”、“原地不动”或“进入瓶
选择与句中划线部份相同或相近的选项。
All the children had a good time at Mark's birthday party.
[ ]
A.
help each other
B.
enjoy themselves
C.
had a wonderful time
D.
have a big dinner