abroad, clear and easily understood, it is very suitable for people based on the C school,

Packet : 119128678slides07to12.zip filelist
slides/
slides/.DS_Store
slides/slides07.ppt
slides/slides08.ppt
slides/slides09.ppt
slides/slides10.ppt
slides/slides11.ppt
slides/slides12.ppt
__MACOSX/
__MACOSX/slides/
__MACOSX/slides/._.DS_Store

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