一个正方体的棱长总和是48厘米，它的表面积是多少平方厘米？

 小题1:  .If you give and give without making time to fill your own needs, then it’ s likely you will burn out, or feel upset. When you take and take without giving back, you never feel fulfilled, so you are always searching for ways to fill the void in your life.

The way to create a healthy balance between giving and receiving is to know and then live by your values. I break values up into two groups which I call being and having values. 小题2: I suggest to my clients that they choose three being values that are willing to make a commitment to live by. An example of some being values are: kind, loving, generous, inspirational, peaceful, wise and even powerful. By acting on these values you give to others through your actions and you inspire others by being a positive role model. Mastering being these character traits becomes your life purpose.

  小题3:  .These could be companionship, achievement, and support, being valued or financial security. This is what you receive. You take responsibility for filling your own needs by taking steps to create these feelings and conditions in your life.

When you make a commitment to live by your being values, it becomes easier to make conscious choices rather than reactionary ones. If your usual pattern is to talk about your problems, you could choose to think and act like a calm person.

 小题4:  . If your usual pattern is to worry, you could choose to act like a responsible or wise person. In other words, you would act like the person you choose to be—this is the key to personal power.

When you choose to act on your values, you not only feel good about yourself, you reinforce your chosen beliefs.  小题5:  .

A． Young people have a different set of values.

B． You feel that you have a responsibility to help them.

C． Your having values are the feelings you need to create in order to be happy.

D． Your being values are the character traits（特征，特点）of the ideal person you would like to be.E.  You feel happiest when you create a healthy balance between giving and receiving.

F.  A calm person might go for a walk, meditate, or set a time limit before responding.

G.  Over time acting in this way changes how you see the world, and in turn the way other people think of you.

如图甲中一水平轻杆在右端的P点系有两根细线，一根斜上拉且固定，另一根竖直向下连接质量为m的物体而处于平衡，图乙中水平轻杆左端固定，右端连接一个光滑滑轮，用细线绕过滑轮，上端固定而下端连接与甲同样的物体处于平衡．下列说法中正确的是（　　）

A．甲、乙图中斜拉线受到的拉力大小相等

B．甲、乙图中斜拉线受到的拉力大小不相等

C．甲图中轻杆对P点的作用力与乙图中轻杆对滑轮的作用力大小相等

D．甲图中轻杆对P点的作用力与乙图中轻杆对滑轮的作用力大小不相等

对微库仑仪的裂解管的维护工作不应包括（）。

A、清洗

B、更换

C、反烧

D、保证进样口密封

用于连接和安装左右车轮的（）等部件称为车桥

A.车轴

B.差速器

C.车架

D.轴承

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