邢女士，38岁，教师。既往身体健康。上午上课时发病，四肢无力，进行性加重，中午来诊。

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        In Canada you can find dogs, cats, horses etc. in almost every family. These are their pets. People love
these pets and regard them as their good friends. Before they keep them at their houses, they take them to
animal hospitals to give them needles so that they won't carry disease (疾病). They have special animal food
stores, though they can get animal food in almost every store. Some people spend around two hundred
Canadian dollars a month on animal food. When you visit people's homes, they would be very glad to show
you their pets and they are very proud of them. You will also find almost every family has a bird feeder in their
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 animals in Canada. They have a law against killing wild (野生的) animals. If you
killed an animal, you would be punished (处罚). If an animal happened to get run over by a car, people would
be very sad about it. 
        People in Canada have many reasons to like animals. One of them might be: Their family tie is not as
close as ours. When children grow up, they leave their parents and start their own career (生涯). Then the
seniors (老人) will feel lonely. But pets can solve this problem. They can be good friends and never leave
them alone.

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