1. https://wenku.baidu.com/view/64fda5c65901020206409c26.html
2 https://wenku.baidu.com/view/79cca8ae85868762caaedd3383c4bb4cf7ecb78d.html
3.https://www.233.com/zikao/praxis/ https://wx.233.com/tiku/chapter/574
以往考題
https://wenku.baidu.com/view/12e965596c85ec3a86c2c528.html
https://wenku.baidu.com/view/b327aa08814d2b160b4e767f5acfa1c7aa008236.html