27.C推理判断题。最后一段介绍，要想少吃，要用小碗小勺，前面介绍说到，吃得快，房间暗会增加饮食，放舒缓的音乐有助于减少饮食的速度和进食量。故选C。

28.A主旨大意题。根据开头的后文可知，本文就房间的布置给那些想减肥的人士提了一些建议。所以选A可以更好地概括全文。

考点：科普类短文阅读

C

Morestudentsthaneverbeforearetakingagapyear(间隔年)beforegoingtouniversity.Itusedtobethe“yearoff”betweenschoolanduniversity.Thegap-yearphenomenonoriginated(起源)withthemonthsleftovertoOxbridgeapplicantsbetweenentranceexamsinNovemberandthestartofthenextacademicyear.

Thisyear,25,310studentswhohaveacceptedplacesinhighereducationinstitutionshaveputofftheirentryuntilnextyear,accordingtostatisticsonuniversityentranceprovidedbytheUniversityandCollegeAdmissionsService(UCAS).

Thatisarecord14.7%increaseinthenumberofstudentstakingagapyear.TonyHigginsfromUCASsaidthatthestatisticsaregoodnewsforeveryoneinhighereducation.“Studentswhotakeawell-plannedyearoutaremorelikelytobesatisfiedwith,andcomplete,theirchosencourse.Studentswhotakeagapyearareoftenmorematureandresponsible,”hesaid.

Butnoteveryoneishappy.OwainJames,thePsidentoftheNationalUnionofStudents(NUS),arguedthattheincreaseisevidenceofstudenthardship–youngpeoplearebeingforcedintoearningmoneybeforefinishingtheireducation.“Newstudentsarenowawarethattheyarelikelytoleaveuniversityupto￡15,000indebt.Itisnotsurprisingthatmoreandmorestudentsaretakingagapyeartoearnmoneytosupporttheirstudyforthedegree.NUSstatisticsshowthatover40%ofstudentsareforcedtoworkduringtermtimeandthefigureincreasesto90%duringvacatingperiods,”hesaid.