题目

On the evening of last Sunday while I was reviewing my lessons in my room, it suddenly began to rain.1as usual, I stopped to listen to the rhythm（韵律）of the rain. For many years, whenever it rains, I couldn't2 listening to it and thinking of the garden in which I spent my childhood（童年） in my hometown.When I was a little girl, my family lived in a big house with a big garden in the countryside. The garden was full of flowers and 3 , with some bamboo in front of the wall. Whenever it rained, I4to sit in the front of the house, listening to the rhythm of the rain and watching the 一个物体受到两个力的作用，如果这两个力的三要素完全相同，则这两个力一定________（填“是”或“不是”）平衡力。