根据以下材料，回答题 Inourcomparison-soakedculture,it′shardtoavoidslippinginto"Whycan′tI"mode.Whenoneofmycolleagues(51)________Ithinkisnotbetterthanmepublishedanewbook,Icouldn′thelp(52)________(complain)how(53)________(achieve)itseemedtomeandwhatbadluckIhad.Negativefeelingslikethismadelifedarkforus.Howtogetridoftheharmfuleffectsofcomparisonneedsexploring.Here′swhatIlearned: Don′tcompareyourinsidestosomeoneelse′soutsides. ThefirsttimeIheardthisexcellentadvice,I(54)________(suffer)fromterribleenvy.Myprofessor′swarningshockedmethat"Youhavenoideawhatit(55)________(take)forthemtogetthere".Don′tjustoweittopureluck.Instead,youshouldfadoutwhat′sreallygoingonbehindthescenes. Shewasabsolutelyright,yetit′smuch(56)________(easy)toenvywhatthey′vegotthanitistoasktheseriousquestion:WhataretheymodelingformeWhathavetheydonetoget(57)________theyaretodayWhenwereflect(58)________thesequestions,weshiftimmediatelyoutofcomparisonmodeandturninwards. Transformcomparisonintocelebration. Admirationandenvyareresponsespointingustowardwhatwevaluemost.Andoncewebecomeawareofwhatwevalue,wearemuchbetterpositioned(59)________(create)arichlysatisfyinglife.Ifyounoticeyourselfadmiringpeoplewhotakecreativerisks,bringyourfullattentiontothepartofyouthatwantstobebraver. Usethesuccessofothersasamirror. Nexttimeyoucatchyourselfadmiringorenvyingsomeone′ssuccess,takeamomenttoconsider:WhatqualitiesintheminspiremeWheredoIpresentlydisplaythesequalitiesRememberthelightweseein(60)________canhelpusseeourown. 第51题答案是___________
who。 考查定语从句。本句缺少连接词，根据语境判断为定语从句。从句中缺少主语，且先行词为colleagues，故用who来引导。
