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[主观题]

A dog enthusiast took home two puppies from the dog shelter. He fed one of the puppies sup

er-premium canned dog food, while he fed the other a generic brand from the grocery store. The dog fed on the generic brand gained weight twice as fast as the dog fed the super-premium brand. Because of the difference in these results, the dog enthusiast concluded that the generic brand actually provided nutrition superior to that of the super-premium brand. Each of the following, if true, would weaken the evidence for the dog enthusiast's conclusion except for which of the following？

A．A dog will sometimes gain more weight when eating inferior-quality food because he must eat more of it to obtain the nutrients he needs.

B．The dogs were of mixed breeds and appeared to be descended from dogs of different sizes.

C．Both dogs ate all of the food given to them at each serving.

D．The dog enthusiast did not give the two dogs equal amounts of their respective foods.

E．The dog who received the super-premium dog food suffered from a digestive system disorder that hindered his growth.

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发布时间：2020-07-07

更多“A dog enthusiast took home two puppies from the dog shelter. He fed one of the puppies sup”相关的问题

第1题

Why was the dog ill？A．Because the sausage he ate contained something bad.B．Because he ate

Why was the dog ill？

A．Because the sausage he ate contained something bad.

B．Because he ate too many sausages at one time.

C．Because the dog was too old and had been ill for a long time.

D．Because his head had been struck by a bottle of milk.

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第2题

It annoyed Williams' wife and family when ______.A．Williams had to go to work at nightB．th

It annoyed Williams' wife and family when ______.

A．Williams had to go to work at night

B．the dog made too much noise in the house

C．Williams made them all get up early

D．the dog would not let them see the newspaper

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第3题

Why did the dog stand out here in the cold（)？

A.He enjoyed the snow in winter

B.He had bitten the master’s children in the leg

C.He felt hot in the house

D.He grew too big for the master to keep

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第4题

听力原文：M: I think that dog racing is kind of fun and exciting. I've never miss that.W: F

听力原文：M: I think that dog racing is kind of fun and exciting. I've never miss that.

W: For me, I'm more fond of horses than cars and dogs.

Q: What can be concluded from the conversation？

(15)

A．The man thinks ear racing is too exciting to miss.

B．The man prefers dog racing to horse or car racing.

C．The woman prefers horse racing to dog or car racing.

D．The woman dislikes dogs and cars.

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第5题

听力原文：A small dog brought disaster to a small English town last week. It was trying to

听力原文： A small dog brought disaster to a small English town last week. It was trying to cross a busy street but was too frightened to leave the strip in the middle of the street.

A truck driver parked his truck on the side of the road and got out to help it. While he was going to get the dog, his track rolled down the street. It smashed into four parked cars, crashed through a fence, rolled down a bank and smashed into a row of houses. Only the driver was hurt. The dog bit him on the hand while he was carrying it.

Here is another story about dogs. A nine-year-old child, who nearly drowned while she was swimming in a home swimming pool, was saved by the family dog on Saturday. The child was alone in the large pool at the time.

The family of the dog said it would receive an extra large bone as a reward.

(33)

A．It smashed into a row of houses.

B．It was run over by a truck.

C．It was too nervous to leave the strip in the middle of the road.

D．It hit a truck.

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第6题

Bristol Meyers failed in promoting fact toothpaste and resolve because______.A．these produ

Bristol Meyers failed in promoting fact toothpaste and resolve because______.

A．these products were too expensive as compared with their direct competitors

B．both products failed to meet the customers' needs

C．the customers could see no sense of a radical change of their habits

D．the company forgot an English saying:" You cannot teach an old dog new tricks."

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第7题

听力原文：Is your family interested in buying a dog？ A dog can be a happy addition to your

听力原文： Is your family interested in buying a dog？ A dog can be a happy addition to your family, (29)but if you choose the wrong kind of dog, the consequences can cause you a lot of trouble.

Families should sit down and thoroughly discuss the problems involved before buying a dog. Even if the children in your family are the ones who want the dog, (30)the parents are the ones who are really responsible for seeing that the animal is properly cared for. (31)If you don't know much about dogs, it's a good idea to go to the library or the ASPCA(The American Society for the Prevention of Cruelty to Animals) for books about various kinds of dogs, as well as books about how to train a puppy. In reading about the different breeds you should know that a dog described as very alert may be too jumpy and bouncy. When a book describes a dog as an ideal hunting dog, it probably means that the dog won't be happy living in a small apartment. Dog breeds change in popularity as the years go by. One of the most popular dogs these days is the German shepherd. This is because it provides protection as well as companionship. The family should be warned that these dogs grow up to be very big, and may be too powerful for children to handle. (32)If space is limited, a toy dog may be a good choice. These dogs are very small and easy to train. They don't need to be walked daily, since they can exercise in the space available in the home.

(30)

A．The care and proper selection of dogs for family pets.

B．Different breeds of dogs and their differences.

C．Responsibility for seeing that dogs are properly cared for.

D．Different kinds of books about dogs.

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第8题

Which of the following is true？A．Mrs. Andrews telephoned her husband because she thought t

Which of the following is true？

A．Mrs. Andrews telephoned her husband because she thought that the sausages contained bad meat.

B．The dog was ill because the sausage it ate contained bad meat.

C．Jim was ill too, and he needed some medicine.

D．Mrs. Andrews telephoned her husband because she was worried about the dog.

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第9题

听力原文：M: That must have been quite an experience.W: You're right! It's lucky my daughte

听力原文：M: That must have been quite an experience.

W: You're right! It's lucky my daughter was still awake, studying. Her screaming woke us all up. The house was already in flames by then.

Q: What is the woman talking about？

(16)

A．Her daughter was making too much noise in the house.

B．No one could sleep because of their dog Flamet barking.

C．The house was in need of a paint job.

D．The house was burning and the daughter was awake to let the others know.

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第10题

听力原文： Is your family interested in buying a dog？ A dog can be a happy addition to y

our family, but if you choose the wrong kind of dog, the consequences can cause you a lot of trouble. Families should sit down and thoroughly discuss the problems involved before buying a dog. Even if the children in your family are the ones who want the dogs, the parents are the ones who are really responsible for seeing that the animal is properly cared for. If you dont know much about dogs, its a good idea to go to the library or the ASPCA for books about various kinds of dogs, as well as books about how to train a puppy. When a book describes a dog as an ideal hunting dog, it probably means that the dog wont be happy living in a small apartment. Dog breeds vary in popularity as the years go by. One of the most popular dogs these days is the German shepherd. This is because it provides protection as well as companionship. The family should be warned that these dogs grow up to be very big, and may be too powerful for children to handle. If space is limited, a toy dog may be a good choice. These dogs are very small and easy to train. They dont need to be walked daily, since they can exercise in the space available in the home. Questions 16 to 18 are based on the passage you have just heard. 16. What is the passage mainly about？ 17. How does the speaker suggest people get information about dogs？ 18. Why is the German shepherd a popular dog according to the passage？16．

A．By working in a library.

B．By visiting an experienced dog trainer.

C．By buying a dog from a pet store.

D．By reading books about dogs.

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