File list (Check if you may need any files):
Oracle_PPT
..........\Les01_chinese.pdf
..........\Les02_chinese.pdf
..........\Les03_chinese.pdf
..........\Les04_chinese.pdf
..........\Les05_chinese.pdf
..........\Les06_chinese.pdf
..........\Les07_chinese.pdf
..........\Les08_chinese.pdf
..........\Les09_chinese.pdf
..........\Les10_chinese.pdf
..........\Les11_chinese.pdf
..........\Les12_chinese.pdf
..........\Les13_chinese.pdf
..........\Les15_chinese.pdf
..........\Les16_chinese.pdf
..........\Les17_chinese.pdf
..........\Les18_chinese.pdf
..........\Les19_chinese.pdf
..........\Les20_chinese.pdf