Itsurprisedme—everytimeIsawJoe，hewassmiling．Itdidn’t__41__whetherhehadtostopatastoplight，orifheweretheseventhpersonin__42__atthebank，andtheservicestoppedjustbeforehegotthere．Joe__43_smiled．Itmademewonderwhyheseemedso_44__everyday．
HavingobservedJoewithotherpeople，I__45__somethingelsealso．Joeaskedpeoplehowtheyweredoing，andreallyseemedtolistentotheir__46__．Ifsomeonewerehurting，hehad_47___forhimandkindwords，andofferedto__48__inanywayhecould．
Itmademethink．．．WhatifItriedtosmilemore？A（n）__49__ofsortsbeganwhenIwenttothegrocerystore．IsmiledasIwentupanddowntheaisles．．．andpeopleIdidn’teven___50_smiledbackatme．Someeven__51__！Thelittlekidinthecart（购物车）whowasgivinghismothera__52__timesawmesmileand_53___talking．．．and，youguessedit．Hemadeashylittleattemptatasmile．Themaninthehandicapped（残疾的）cart__54__apersontoreachsomething．．．Icouldgetthatforhim．Thesmileeventransferred(传递)overtohim，andhe__55__me．AsIdrovehome，Iwassmiling．I__56_whatIhadjustlearned，andwhensomeonepassedmeandgavemea（n）__57__，Ismiledathim．Helookedpuzzled．
NowIknowasmileisasmallthing，butwhatifwewerealltotrytosmileafewmoretimeseachday？Icouldn’tbelievehow__58__Ifelt．Nothinginmylifehadchanged，_59___maybeithad．ForwhatIlearnedwasthatsuchasmallthingcould__60__notonlymyspirits，butthosearoundmeaswell．
41．A．work B．happen C．matter D．last
42．A．order B．debt C．hand D．line
43．A．always B．eventually C．immediately D．still
44．A．naughty B．happy C．active D．Humorous
45．A．decided B．judged C．noticed D．considered
46．A．answers B．complaints C．excuses D．comments
47．A．guidance B．respect C．sympathy D．protection
48．A．perform B．attempt C．bother D．help
49．A．experiment B．life C．project D．program
50．A．meet B．touch C．know D．contact
51．A．glared B．greeted C．approached D．escaped