问题描述：
"ItisobviousthatChinawillclimbupuniversityrankingsintheyearstocome．"ThisstatementfromPhilBaty，editoroftheTimesHigherEducationWorldUniversityRankings，linesupwithChina'soptimismthatitwillproduceworld-classuniversities．Buttherearestilldifficultiestoovercome，expertssay．
UniversitiesfromChina'smainlandslippedinthe2011-2012Times'globalrankings．PekingUniversitydropped12placesfromlastyearto49th，andTsinghuaUniversityfellto71stplace．AmongAsianuniversities，PekingisrankedNo.4andTsinghuaNo.8．
Acombinationoffactorsdeterminesrankings-researchoutput，studyenvironment，reputationandinternationaloutlook．
DuetoChina'seconomicdevelopment，investment （投入） ineducationandresearchhasincreased，butthequalityofeducationandresearchinChineseacademiaseemsnottohavekeptpace．
Thegauge （判定标准） isthenumberofpaperspublishedinhighlyrespectedEnglish-languagejournals，sowhilemanypapersarebeingproducedinChina，itappearsnotallaregoodenoughtoattractinternationalattention．
Still，highereducationinChinaisdevelopingquickly，thanksinparttohugegovernmentinvestment．Chinaspentanamountequalto3.69percentofGDPoneducationlastyear，accordingtoMinistryofFinancedata．
Chinahasthelargestandoneofthefastestgrowinghighereducationsystemsintheworld-2，723schoolsfor31millionstudents．Enrollment （入学人数） hasincreasedmorethanfourtimesfrom2001to2011．
24．What'sPhilBaty'sattitudetowardsthefutureofChineseuniversities？___
A．Unconcerned．
B．Uncertain．
C．Optimistic．
D．Worried．
25．WhatwasPekingUniversity'splaceinthe2010Times'globalrankings？___
A．No.4．
B．No.37．
C．No.49．
D．No.59．
26．Allthefollowingarefactorsthatdetermineauniversity'srankingEXCEPT___．
A．thequantityofitspublishedpapers
B．howgooditsstudyenvironmentis
C．thenumberofitsgraduates
D．howwell-knownitis
27．WhatistheproblemwithpapersproducedinChina？___
A．Lackofvariety．
B．L
