由于应对英语听力测试，这两天狂听了4units的英语听力，加上今天的英语课讲到的earth的话题，回答下同学的问题：
what warnings does the 2012 give to you?
I think we should keep a respective mind to our planet. we are a grain of sand in the whole universe.
we should refuse to the wars ,which I think the biggest evil in the world .
everyone of us should insist on a vegetarian. If you were pig or cattle , you will feel human cruelty.
there are two video about the war and Slaughter cattle.
Earthlings/地球公民
地球公民
At last .I will give you a video about the beautiful world . we also need a heart to discover beauty.