This is a cat.
It's my pet.
Her name is Lylie.
She's clever.
She likes fish.
I like her very much.
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如图所示,用弹簧秤悬挂一物体,在空气中弹簧秤示数为6N,当物体浸没在水中弹簧秤的示数是4N,g=10N/kg.求:
“中国人民站起来了”。下列事件中最能反映这句话内涵的是( )