The database USMLEASY is an online question bank for USMLE exam, including over 8000 questions and exercises from USMLE past papers from all 3 steps. Students can test yourselves according to different systems or choosing different subjects.
Tips
Please register with SDU wifi and you can use it anywhere in China or other countries within 3 months and relog-in by SDU wifi for another 3 months.
Website
https://www.usmle-easy.com/