
[embeddoc url=”https://blogs.uoregon.edu/222s16/files/2016/04/2.1-b-Final-2iox6x4.jpg” download=”all” viewer=”google”]

[embeddoc url=”https://blogs.uoregon.edu/222s16/files/2016/04/2.1-a-1ef9ryi.jpg” download=”all” viewer=”google”]

[embeddoc url=”https://blogs.uoregon.edu/222s16/files/2016/04/Niu_Jing_2.1B-2e75jkv.pdf” download=”all” viewer=”google”]