电脑重新安装了系统，然后endnote和pdf阅读器就不关联了，选中的文献就打不开了，怎么办，求指导...

Dear Miss Zhang, I am sorry that I cant go to school tomorrow, because I got a bad cold the day before yesterday. This morning, I had high fever and I...

Since I go to school, I start to form the habit of noting what I have read. I found it is very helpful for me, because I get bad memory, I will forget...