OnedaywhileshoppinginasmalltowninsouthernCaliforniaitwasmymisfortunetobeapproachedbyaclerk．Heseemedmostunfriendlyandnotatallconcernedaboutmyintendedpurchase．Iboughtnothingandmarchedangrilyoutofthe

　　OnedaywhileshoppinginasmalltowninsouthernCaliforniaitwasmymisfortunetobeapproachedbyaclerk．Heseemedmostunfriendlyandnotatallconcernedaboutmyintendedpurchase．Iboughtnothingandmarchedangrilyoutofthestore．

　　Ontheoutsidewasadark-skinnedyoungmaninhisearlytwenties．Hisexpressivebrowneyesmetandheldmineandinthenextinstantabeautifulbrightsmilecoveredhisface．Igaveinimmediately．ThepowerofthatbroadsmiledissolvedallbitternesswithinmeandIfeltthemusclesinmyownfacehappilyresponding．

　　“Beautifuldayisn’tit?”Iremarkedinpassing．ThenIturnedback．“Ireallyoweyouadebtofthanks”Isaidsoftly．

　　Hissmiledeepenedbuthemadenoattempttoanswer．AMexicanwomanandtwomenwerestandingnearby．Thewomansteppedforwardandvolunteered“Sirbuthedoesn'tspeakEnglish．Doyouwantmetotellhimsomething?”InthatmomentIfelttransformed．Theyoungman'ssmilehadmadeabigpersonofme．Myfriendlinessandgoodwilltowardallmankindstandtenfeettall．

　　“Yes”myreplywasenthusiasticandsincere“tellhimIsaid‘Thankyou’!”

　　“Thankyou?”Thewomanseemedslightlypuzzled．

　　IgaveherarmafriendlypatasIturnedtoleave．“Justtellhimthat”Iinsisted.“He'llunderstand．Iamsure!”.

　　Ohwhatasmilecando!AlthoughIhaveneverseenthatyoungmanagainIshallneverforgetthelessonhetaughtmethatmorning．FromthatdayonIbecamesmile-consciousandIpracticetheartdiligentlyanywhereandeverywherewitheverybody．

　　1.Whydidtheauthorleavethestoreangrily?

　　A．Hecouldn'tbuywhathewanted.

　　B．Theclerktreatedhimunkindly.

　　C．Theclerkdidn'tspeakEnglish.

　　D．Thestore'sgoodsweretoodear.

　　2.Bysaying"Ifeltthemusclesinmyownfacehappilyresponding"(inPara.2)theauthormeans_____.

　　A．hesmiledbackattheyoungman

　　B．hedidnotwanttosmile

　　C．hewouldthanktheyoungman

　　D．hewasstillinabadmood

　　3.Theauthoraskedthew