最低标准的失业保障月数是( )个月。A．3 B．2 C．1 D．6

You feel happiest when you create a healthy balance between giving and receiving. If you give and give 小题1:w_______making time to fill your own needs, then it's likely you will小题2:b_______ out, or feel upset. When you take and take without giving anything back, you never feel fulfilled , so you are always 小题3:s___________ 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 小题4:d_______ values into two groups which I call being and having values. Your being values are the personalities of the小题5:i________ person you would like to be. I suggest to my clients that they choose three being values that they are小题6:w__________ to make a promise to live by. An小题7:e____________ of some being values are: kind, loving, generous, peaceful, wise and even powerful. By 小题8:a__________ on these values you give to others through your actions and you小题9:i_________ others by being a positive role model. Mastering being these personalities becomes your life 小题10:p__________.

Your having values are the feelings you need to create in order to be小题11:h_________. These could be companionship, 小题12:a_____________,support, being valued or financial security. This is what you receive. You take responsibility for filling your own needs by taking 小题13:s________ to create these feelings and conditions in your life.

When you make a promise to live by your being values, it becomes easier to make conscious(慎重的) choices 小题14:r________ than reactionary(反动的) ones. If your usual pattern is to talk about your problems, you could小题15:c_________ to think and act like a calm person. A calm person might go for a walk, or set a time 小题16:l_________ before responding. If your usual pattern is to worry, you could choose to act小题17:l_________ a responsible or wise person. In other words, you would act like the person you choose to be---this is the小题18:k_________ to personal power.

　　When you choose to act on your values, you not only feel good about yourself, you小题19:s_________ your chosen beliefs. Over time acting in this way changes how you see the world, and in小题20:t_______ the way other people think of you.                           

（1）镁是一种很活泼的金属，点燃后，它既能与空气中的氮气反应，也能与二氧化碳作用．已知镁在氮气中燃烧生成的氮化镁，其中氮元素显-3价，镁在二氧化碳中燃烧生成黑色炭粒和一种碱性氧化物，试写出上述两个反应的化学方程式：______，______．

（2）与金属跟盐的置换反应规律相似，非金属跟盐反应也有这种规律，Br₂、I₂、Cl₂及其化合物有如下的反应关系：①Br₂+2NaI=2NaBr+I₂Cl₂+2NaI=2NaCl+I₂，②Cl₂+2NaBr=2NaCl+Br₂

试确定三种非金属单质的化学活动性由强到弱的顺序：______．

丙烯与空气混合能形成爆炸性混合物，爆炸极限为2~11.1%。

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