Section BDirections: In this section, you will hear 3 short passages. At the end of each p

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文： When you have a dog it is necessary to care for it very carefully. In return you will be loved by your dog.

The most important part of dog-care is cleanliness. Not only does the dog have to be kept clean, but his environment should also be clean. The bed he sleeps in can be made with anything like a rug or a dog mattress.

Proper feeding is also important for your dog's health. A dog should be fed in the same place and on a regular schedule. If your dog refuses to eat, don' t force him. Remove his food and don' t feed him again until his next regular feeding. Food should never be left before a dog for more than 30 minutes.

One important thing that many dog owners forget is exercise for the dog. Vigorous exercise helps build strength and keeps the dog healthy. A regular walk at a fixed time of the day is enough to help a smaller dog live a healthier and happier life. Large dogs, though, require a nm in an open field.

There are other things that are also important for a dog's health -- things like bathing, care of the teeth and nails, keeping them away from insects as much as possible. But if you observe the three main points covered above, your dog will give you a great mount of pleasure.

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A．Until he eats it.

B．At lease 30 minutes.

C．All day.

D．No more than 30 minutes.