在2010年4月26日的“世界知识产权日”，佛山中级人民法院公布了我市2009年度审结的知识产权十大典型案件。这些案件涉及了商标、专利发明、产品外观设计、原创著作等方面的侵权事件。有的同学感慨地说，原以为知识产权高不可攀，没想到就在我们身边。   请回答：在现实生活中，我们应该怎样维护他人的知识产权？

有机高分子材料聚酯纤维可由二酸与二醇通过缩聚形成．如100个乙二酸分子与100个乙二醇分子发生缩聚，当形成一条聚酯链时，其（平均）式量达到最大（如图所示，其式量为11618）．为降低聚酯链的长度与平均式量，可调整乙二酸与乙二醇的相对用量，使形成的聚酯链两端均为相同基团，从而无法再连接增长．现有100个乙二酸分子与105个乙二醇分子恰好完全反应，且聚酯链无法再增长．

（1）共形成 ____　条聚酯链．

（2）计算所得聚酯的平均式量． ____

    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.