China's academic corruption ... -> academic corruption... in China for a decade.

has been exposing -> has exposed
1st paragraph:

the enclosed a list of -> the enclosed list

is Xiao Chuanguo's academic misconduct -> misconducts

recently drawn -> has recently drawn OR recently drew

whose investigations ... -> ANOTHER SENTENCE?: Their investigations ...

3th paragraph:

it recovered ... -> it uncovered ...

have reached and interviewed -> DUPLICATED