（4分）如图所示，静止在水平面上的物体重15牛顿，用力的图示法_爱下问搜题

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问题应用设计题

（4分）如图所示，静止在水平面上的物体重15牛顿，用力的图示法画出它所受的重力和支持力。

答案

略

分析：静止在水平面上的物体受重力和支持力作用，并且二力是一对平衡力，作用点都在物体的重心上，重力方向竖直向下，支持力方向竖直向上．

解答：解：重力从重心竖直向下画，标出符号G，支持力从重心竖直向上画，标出符号F，注意两个力大小相等，所画的长度要相等，如图：

判断题

信用卡主卡持卡人丧失偿还能力的，由其附属卡持卡人承担透支金额的偿还和支付透支利息的责任。( )

完形填空

A man and his girlfriend got married. Everyone could tell that the love they had for each other was true.
A few months later, the wife came to the husband with a proposal, "I read in a magazine about how we can   36  our marriage. Each of us will write a list of the things that we find a bit   37  with the other. Then, we can talk about how we can   38  them together and make our lives happier together."
The husband   39 . So each of them went to a(n)   40  room and thought about the things that annoyed them about the other for the rest of the day.
The next morning, at the breakfast table, they decided that they would go over their   41 .
"I'll start," offered the wife. She   42  her list. It had many items on it, enough to fill 3 pages. After the wife had read all three pages to her husband,   43  the husband stated, "I don't have anything on my list. I think that you are perfect the   44  that you are. I don't want you to   45  anything for me."
The wife, touched by his honesty and the depth of his love for her and his   46  of her, turned her head and wept.
In life, there are enough times when we are disappointed, depressed and annoyed. We don't really have to go   47  for them. We have a wonderful world that is full of beauty, light and promise. Why waste time seeking the bad, disappointing or annoying when we can look around us, and see the wonderful things before us?

A．disappointedly