请以"At the beach"为题,写出至少5个句子,介绍不同的人们在沙滩上的活动。写在答题卷上。
At the beach
It is sunny today. My friends and I are on the beach. John and Ben are swimming in the sea. Lily is collecting shells. I am eating ice cream. We are excited.
物体静止于水平桌面上,则( )
____ 的棵数-____的棵数=32
一桶油重100千克, 12 桶油重____千克,算式是____。