should i give up this friend if he would never do anything to save the friendship?

just tried to talk with the friend. it seems that i failed.

using matlab to finish my math homework.it is so convient

数学分析考了80~~~~~天那，连续三次80，一分不差，这是什么情况？

now its time for bed

instead of accepting the communism，i develop my own ideas about the society.maybe i shoud write it down

anybody help me with the relationship with my friend.we both hurt each other badly...

i had never delete any mail in my gmail, but there is only 564mails in it ~~~~~

somebody told me how to not feel embarrassed with my friend who i had a big quarrel with and now even not say a word to each other~~

had a dream to be an astronomer