Americans use many expressions with the word “dog”.People in the United States love their dogs and treat them well.They take their dogs for walks, let them play outside and give them good food and medical care.However, in other countries dogs without owners caring for them lead a different kind of life.The expression “to lead a dog’s life” describes a person who leads an unhappy life.
Some people say we live in a “dog-eat-dog” world.This means many people are competing for the same things, such as jobs.They say that to be successful, a person has to “work like a dog”.This means they have to work very, very hard.Such hard work can make people “dog-tired”.And the situation would be even worse if they became “sick as a dog”.
Still, people say “every dog has its day”.This means that every person enjoys a successful period during his or her life.To be successful, people often have to learn new skills.Yet, some people say that “you can never teach an old dog new tricks”.They believe that old people do not like to learn new things and will not change the way they do things.
Dog expressions are also used to describe the weather.“The dog days of summer” are the hottest days of a year.A rainstorm may cool the weather.But we do not want it to rain too hard.We do not want it “to rain cats and dogs”.
根据短文内容，选择最佳答案。
Dogs in America ________.
A.are well cared for
B.have no owners to care for
C.live a hard life
By saying “work like a dog”, we mean ________.
A.we should work as door keepers
B.we have to work very hard
C.we should work at night
If some old people don’t like to learn new things, people will say “________”.
A.they want to lead a dog’s life
B.they are sick as a dog
C.you can never teach an old dog new tricks
How many expressions about dogs are mentioned in the passage?
A.7        B.8 `    C.9
What’s the best title of the passage?
A.Dog Care        B.Dog’s Life       C.Dog Expressions

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