【单选题】请阅读短文,完成第小题。Wefindthatbrightchildrenarerarelyheldbackbymixed-abilityteaching.Onthecontrary,boththeirknowledgeandexperienceareenriched.Wefeelthattherearemanydisadvantagesinstreaming(把...按能力分班)pupils.Itdoesnottakeintoaccountthefactthatchildrendevelopatdifferentrates.Itcanhaveabadeffectonboththebrightandthenot-so-brightchild.Afterall,itcanbequitediscouragingtobeatthebottomofthetopgrade!Besides,itisratherunrealtogradepeoplejustaccordingtotheirintellectualability.Thisisonlyoneaspectoftheirtotalpersonality.Weareconcernedtodeveloptheabilitiesofallourpupilstothefull,notjusttheiracademicability.Wealsovaluepersonalqualitiesandsocialskillsandwefindthatmixed-abilityteachingcontributestoalltheseaspectsoflearning.Inourclassrooms,weworkinvariousways.Thepupilsoftenworkingroups:thisgivesthemtheopportunitytolearntocooperate,toshare,andtodeveloptheirleadershipskills.Theyalsolearnhowtocopewithpersonalproblemsaswellaslearninghowtothink,tomakedecisions,toanalyzeandevaluate,andtocommunicateeffectively.Thepupilslearnfromeachotheraswellasfromtheteacher.Sometimesthepupilsworkinpairs;sometimestheyworkonindividualtasksandassignments,andtheycandothisattheirownspeed.Theyalsohavesomeformalclassteachingwhenthisisappropriate.Weencourageourpupilstousethelibrary,andweteachthemtheskillstheyneedinordertodothisefficiently.Anadvancedpupilcandoadvancedwork;itdoesnotmatterwhatagethechildis.Weexpectourpupilstodotheirbest,nottheirleast,andwegivethemeveryencouragementtoattainthisgoal.Whichofthefollowingisnotmentionedinthethirdparagraph?查看材料A、Groupworkgivespupilstheopportunitytolearntoworktogetherwithothers.
B、Pupilsalsolearntodeveloptheirreasoningabilities.
C、Groupworkprovidespupilswiththeopportunitytolearntobecapableorganizers.
D、Pupilsalsolearnhowtoparticipateinteachingactivities.