. ▁According ▁to ▁the ▁report ▁of ▁Modern ▁Express , ▁Ge ▁Jun ▁himself ▁claimed ▁that ▁he ▁did ▁not ▁particip ate ▁in ▁the ▁work ▁of ▁Ji ang su ▁or ▁Gu ang d ong . ▁ ▁E valu ations ▁of ▁the ▁mathematics ▁papers ▁of ▁college ▁entrance ▁exam ination ▁composed ▁by ▁Ge ▁Jun ▁were ▁mixed . ▁For ▁instance , ▁exper ts ▁believe ▁that ▁the ▁paper ▁was ▁innov ative , ▁differenti ated , ▁and ▁appropriate ▁while ▁many ▁students ▁and ▁their ▁parents ▁were ▁apparently ▁diss atisf ied ▁because ▁of ▁the ▁low ▁marks ▁examine es ▁received . ▁Professor ▁Tu ▁R ong ba o ▁( ), ▁an ▁expert ▁of ▁the ▁go - over ▁group ▁of ▁mathematics ▁entrance ▁paper ▁of ▁Ji ang su ▁believed ▁the ▁ 2 0 1 0 ▁paper ▁to ▁have ▁a ▁wide ▁coverage ▁of ▁knowledge , ▁to ▁meet ▁the ▁requirements ▁of ▁the ▁exam ▁instructions ▁and ▁to ▁contain ▁a ▁lot ▁of ▁innov ations . ▁ ▁Academ ic ▁areas ▁Ge ▁Jun ▁mainly ▁engaged ▁in ▁mathematics ▁compet itions , ▁teaching ▁theory ▁of ▁mathematics ▁curr icul um , ▁network ▁curr icul um , ▁school ▁education ▁and ▁research . ▁He ▁has ▁published ▁more ▁than ▁ 6 0 ▁papers ▁and ▁edited ▁more ▁than ▁ 3 0 ▁text books ▁and ▁works . ▁ ▁Ge ▁Jun ▁is ▁the ▁senior ▁coach ▁of ▁Chinese ▁Mathemat ical ▁Olymp i ad , ▁deput y ▁director ▁of ▁the ▁Centre ▁for ▁Te acher ▁Training ▁in ▁Colleg es ▁and ▁Univers ities ▁of ▁Ji ang su ▁Province , ▁executive ▁director ▁of ▁Primary ▁and ▁Second ary ▁School ▁Science ▁and ▁Technology ▁Education ▁Association ▁of ▁Ji ang su