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1、AMuscles(肌肉)areimportantforrunning,jumping,andlifting.Mostofourmusclesarehiddenunderourskin.Butoneofthemostimportantmusclesiseasytosee.Canyouguesswhichoneitis?Herearesomeclues:Ithelpsusmovefoodaroundinourmouths.Ithelpsusformwords.Ithelpsustastefood.Ithelpsuscleanteeth.Ifyouguessthetongue,youar
2、eright!Gotoamirrorandstickoutyourtongue.Thosebumps(凸块)arecalledpapillae(舌乳头).Eachofthepapillaecontainsmanytastebuds(味蕾).Wehaveupto10,000tastebuds.Thenumberoftastebudscanbedifferentineachperson,butgirlsusuallyhavemorethanboys.Tastebudstellyouwhetherfoodissalty,sweet,sour(酸的),orbitter.Youtastesa
3、ltyandsouronthesidesofyourtongue.Youtastebitterfoodneartheback,andsweetfoodonthetip.Yourtongueworkswithyournosetotastedifferentflavors.Nervesinyourtastebudssend“taste”messagestoyourbrain.Yournosesends“smell”messages.Thebrainthentellsyouwhichfoodyouareeating.56.Howmanytastebudsdowehaveaccording
4、tothepassage？A.About100.B.About1,000.C.About10,000.D.About100,000.57.Whatdoestheunderlinedword“flavors”inthelastparagraphmean?A.Foods.B.Tastes.C.Flowers.D.Vegetables.58.Whatcanweknowfromthepassage?A.Papillaehelpuscleanourteeth.B.Allpeoplehavethesamenumberoftastebuds.C.Boyshavefewertastebudstha
5、ngirls.D.Itisonthetipofyourtonguethatyoutastesour.59.Whichofthefollowingisthebesttitleforthepassage?A.OneimportantmuscleB.HowtotastefoodC.HowmanytastebudswehaveD.OnewaytocleanteethBDoesyourdaughterreallythinkthatshehasaproblemmakingnewfriendsorissheworriedthatshedoesn’thaveanyorenoughfriends?I
6、fso,thenthereareafewsolutions.Trytotakesometimetoteachyourdaughtersomesocialskillsorevenrole-playlikeyouareherfriendifsheneedstoknowhowtohandleacertainsituation.Teachhertogouptosomeonebravelyandstarttalking—thisisalwaysagoodideatomakenewfriends.Trytoencouragehertoinviteafriendovertogotoseeamov
7、ietogetherintheafternoon.Letherplantheafternoon,withyourapproval(同意)ofcourse,asshewillknowwhatsheandthefriendmaywanttodo,likesitaroundandtalk,watchTV,etc.Don’tplanthetimeforherwhenafriendcomesoverasyouneedtoremembersheisgrowingupandshen
