申请表格碰到的问题。。。请大家帮帮忙，谢谢大家！

DidoyUID: 2181213

有一些application form的问题想请教大家，非常感谢。
University of Wisconsin--Madison的表格
15item: If you plan to teach, please check one:Elementary(specify grades), Secondary, Other, Vocational/Technical这个什么意思？怎么填呢？
21item: Racial/ Ethnic Heritage：African American/Black, American Indian or Alaska Native, Southeast Asian, Other Asian/Pacific Islander这个怎么选呢？

University of Minnesota--Twin city的表格
15item: Have you earned a GED?这个是什么意思？
" X! m4 \$ B( z7 d16item: Check all course requirements you have successfully completed in high school中有两项
, F, g  r  D& X3 f2 years of a single second language和1 year U.S history大陆的高中应该都没有上过。如果写没有上过会不会影响转学录取呢？
. k/ v3 w( k$ k7 E& s: ]% E( t
Michigan State University的表格
12item/c permanent resident alien是什么意思？yes, no怎么选呢？
13item/b if you are not a US citizen or permanent resident alien indicate current visa status怎么填呢？c intended visa status for study at MSU.这个是不是填F1?
17item Do you authorize the release of academic, financial, and additional pertinent information to alumni clubs and other organizations for scholarship consideration?是什么意思呢？
非常非常感谢！很麻烦大家。。。谢谢大家帮我