http://blog.wenxuecity.com/myblog/30528/201709/10755.html
补充LAC爬档如下
二爬上：Williams College， Amherst College， Bowdoin College， Swarthmore College， Wellesley College
二爬中：Middlebury College， Pomona College， Carleton College，Claremont McKenna College，Davidson College， Washington and Lee University，Colby College，Colgate University， Harvey Mudd College， Smith College， United States Military Academy， Vassar College
二爬下：Grinnell College，Hamilton College，Haverford College，United States Naval Academy，Wesleyan University，Bates College，Colorado College，University of Richmond
三爬上：Barnard College， Kenyon College， Macalester College， Oberlin College， Scripps College， United States Air Force Academy
