【阅读理解】Do you want to know how dogs say hello to others?IfDo you want to know how dogs say hello to others?If you are a dog lover,you already know the answer to this question.When you arrive home,your dog jumps up into your lap.It wags its tail,and sometimes gives you wet kisses.Like humans,dogs have five senses—smell,touch,sight,hearing and taste.Humans use sight as the main sense for knowing one another.But dogs have poor eyesight.They use smell to k

【阅读理解】Do you want to know how dogs say hello to others?If
Do you want to know how dogs say hello to others?If you are a dog lover,you already know the answer to this question.When you arrive home,your dog jumps up into your lap.It wags its tail,and sometimes gives you wet kisses.Like humans,dogs have five senses—smell,touch,sight,hearing and taste.Humans use sight as the main sense for knowing one another.But dogs have poor eyesight.They use smell to know others.A dog’s sense of smell is much better than a human’s.A dog tells the difference between different people through its sense of smell.Dogs use smell to know other dogs,too.They tell the difference by the smell of pee and pooh.When two dogs meet,they smell each other’s noses.Then they go side to side,and smell each other’s butts.By smelling its friend’s butts,a dog can know who it is.By smelling grass,trees and sign-posts,dogs can know where they are.And they also know whether their friends live there.
( ) 61.What may your dog do when you arrive home?
A.It gives you wet kisses.B.It jumps up into your lap.
C.It wags its tail.D.All the above.
( ) 62.How does a dog know others?
A.By ears.B.By nose.C.By mouth.D.By eyes
( ) 63.A human’s sense of smell is ______ a dog’s.
A.better than B.as good as C.the same as D.not so good as
( ) 64.When two dogs meet,they will NOT _____.
A.smell grass,trees and sign-posts around B.go side to side C.smell each other’s buttsD.smell each other’s noses