在数轴上画出表示下列各数的点，并把它们按从小到大的顺序用“＜”连接起来：

﹣3，3.5，0，﹣$\frac{7}{2}$，﹣4，1.5．

A.    B.     C.

D.    E.

    A man worked in a post office. His job was to handle(处理) all 1 that had unclear addresses. One day he came across a letter which was 2to God. He opened it and it 3，“Dear God，I am an 83­year­old woman and I live on a very small pension(养老金).Yesterday someone stole my 4.There was a hundred dollars in it，which was all the money I had 5 until my next pension comes. Next Thursday is Thanksgiving Day，and I have invited my last two friends for 6.Without that money，I have 7 to buy food with. I have no family to 8，and you are my only 9.Can you please help me？” The man was 10，and went around showing the letter to all the other workers. Each of them 11 their wallets and donated a few dollars. By the time he 12 his showing，he had collected 96 dollars. 13then he sent it to the old woman. Thanksgiving Day came and went. The workers 14forgot about it. Then one day，there came another letter from the old lady to God.All the 15gathered around when the letter was16.It read，“Dear God，how can I ever thank you enough for what you did for me？Because of your kindness，I was able to 17 a lovely dinner for my friends. We had a very 18 day，and I told my friends about your19 gift. Thank you very much！” Seeing this，all the workers felt 20 with the nice thing they had done. They looked into each other's eyes and smiled.