；2可以适当增加细节，以使行文连贯。
f答案：2123、ACD2427、CDAB2831、ACBD3235、DABC3640、BAEDG4145BADBD4650ADBAC5155DACBC5660DCACB61crowds62from63layi
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aged69i
troductio
70successful71allboth72aa
73i
teresti
gi
terested74thatwhich75earlyearlier76for删除77besidebesides78i
formatio
si
formatio
79camecomes80stude
tspickstude
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fr