A
In Canada you can find dogs，cats，horses and so on，in almost every family.These are their pets.People love these pets and have them as their good friends.Before they keep them in their houses，they take them to animal hospitals to give them injections so that they won’t have diseases.They have special animal food stores，though they can get animal food in almost every kind of store.Some people spend around two hundred Canadian dollars a month on animal food.When you visit people’s houses，they would be very glad to show you their pets and they are very proud of them.You will also find that almost every family has a bird feeder in the garden.All kinds of birds are welcomed to come and have a good meal.They are free to come and go and nobody is allowed to kill any animal in Canada.They have a law against killing wild animals.If you killed an animal，you would be punished.If an animal happene
to get run over by a car，people would be very sad about it.
People in Canada have many reasons to like pets.One of them might be：their family ties are not as close as ours.When children grow up，they leave their parents and start their own life.Then the old will feel lonely.And pets can solve this problem.They can be good friends and never leave them alone.
21．People give their pets injections before keeping them at their houses because __________.
A．the pets are sick B．the pets are not friendly
C．they want them to be different D．they want to stop them from having diseases
22．According to the passage，Canadians ______________.
A．don’t keep pets inside their houses B．often kill animals
C．love animals D．hate animals
23．In Canada，children leave their parents when they grow up because ______________.
A．their parents’ houses are too small B．they don’t love their parents any more
C．they can only find jobs far from their parents D．they wouldn’t depend on their parents any more
24．What does the passage mainly talk about？
A．Pets in Canada. B．Life of the old in Canada.
C．How to take good care of pets. D．How to keep diseases away from pets.
