题目内容：
根据下面内容，回答题 Manyteachersbelievethattheresponsibilitiesforlearningliewiththestudent.Ifalongreadingassignmentisgiven,instruct6rsexpectstudentstobefamiliarwiththeinformationinthereadingeveniftheydonotdiscussitinclassortakeanexamination.Theidealstudentisconsideredtobe（1）whoismotivatedtolearnforthesakeoffun,nottheoneinterestedonlyingettinghighgrades.
Sometimeshomeworkisreturned（2）briefwrittencommentsbutwithoutagrade.Evenifagradeisnot'given,thestudentis（3）forlearningthematerialassigned.Whenresearchisassigned,theprofessorexpectsthestudenttotakeitactivelyandtocompleteitwith（4）guidance.Itisthestudent'sresponsibilitytofindbooks,magazines,andarticlesinthelibrary.Professorsdonothavethetimetoexplain（5）auniversitylibraryworks;theyexpectstudents,（6）graduatestudents,tobeabletoexhaustthereferencesourcesinthelibrary.Professorswillhelpstudentswhoneedit,but（7）thattheirstudentsnotbetoodependentonthem.IntheUnitedStates,professorshavemanyotherduties（8）teaching,suchasadministrativeorresearchwork.（9）thetimethataprofessorcanspendwithastudentoutsideclassislimited.Ifastudenthasproblemswithclassroomwork,thestudentshouldeitherapproachaprofessorduringofficehours（10）makeanappointment.
第（1）题选 A．such
B．one
C．any
D．some
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答案解析：