【【阅读理解】Doyouwanttoknowhowdogssayhellotoothers?IfDoyouwanttoknowhowdogssayhellotoothers?Ifyouareadoglover,youalreadyknowtheanswertothisquestion.Whenyouarrivehome,yourdogjumpsupintoyourlap.Itwagsits】

　　【阅读理解】Doyouwanttoknowhowdogssayhellotoothers?If

　　Doyouwanttoknowhowdogssayhellotoothers?Ifyouareadoglover,youalreadyknowtheanswertothisquestion.Whenyouarrivehome,yourdogjumpsupintoyourlap.Itwagsitstail,andsometimesgivesyouwetkisses.Likehumans,dogshavefivesenses—smell,touch,sight,hearingandtaste.Humansusesightasthemainsenseforknowingoneanother.Butdogshavepooreyesight.Theyusesmelltoknowothers.Adog’ssenseofsmellismuchbetterthanahuman’s.Adogtellsthedifferencebetweendifferentpeoplethroughitssenseofsmell.Dogsusesmelltoknowotherdogs,too.Theytellthedifferencebythesmellofpeeandpooh.Whentwodogsmeet,theysmelleachother’snoses.Thentheygosidetoside,andsmelleachother’sbutts.Bysmellingitsfriend’sbutts,adogcanknowwhoitis.Bysmellinggrass,treesandsign-posts,dogscanknowwheretheyare.Andtheyalsoknowwhethertheirfriendslivethere.

　　()61.Whatmayyourdogdowhenyouarrivehome?

　　A.Itgivesyouwetkisses.B.Itjumpsupintoyourlap.

　　C.Itwagsitstail.D.Alltheabove.

　　()62.Howdoesadogknowothers?

　　A.Byears.B.Bynose.C.Bymouth.D.Byeyes

　　()63.Ahuman’ssenseofsmellis______adog’s.

　　A.betterthanB.asgoodasC.thesameasD.notsogoodas

　　()64.Whentwodogsmeet,theywillNOT_____.

　　A.smellgrass,treesandsign-postsaroundB.gosidetosideC.smelleachother’sbuttsD.smelleachother’snoses