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听力原文：The dog has often been an unselfish friend to man. It is always grateful to its m

听力原文： The dog has often been an unselfish friend to man. It is always grateful to its master. It helps man in many ways. Certain breeds of dogs are used in criminal investigations. They are mined to sniff out drags and bombs. They help police to catch criminals.

The dogs that help in criminal investigations are trained at a school called the Military Dog Studies Branch of the U.S. Air Force in Lackland, Texas. The dogs to be trained are selected by an air force team. This team visits large cities across the country to buy the dogs. They may buy dogs from private citizens for up to $750 each. Some citizens freely give their dogs. The dogs selected must be healthy, brave and aggressive. They must be able to fight back if they are attacked. The dogs chosen are between the ages of one and three. They are given a medical examination when they arrive at the school. Their physical examination includes X-rays and heart tests. The trainee dogs undergo the first stage of training when they arrive in Lackland. This is an 11-week course for patrol duty. After this course, the best dogs are selected to go on another 9-week course. They learn drug-sniffing or bomb-sniffing. After this course, the dogs are ready for their jobs in the cities or on air force bases.

The training given to a drug-sniffing dog is different from that given to a bomb-sniffing dog. A drug-sniffing dog is trained to scratch and dig for the drags when he sniffs them. A bomb-sniffing dog sits down when he finds a bomb. That is the alert for hidden explosives.

(23)

A．Given by the local government.

B．Born by a large number of bitches.

C．Bought from different cities and villages.

D．Captured over grassland.

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发布时间：2020-09-04

更多“听力原文：The dog has often been an unselfish friend to man. It is always grateful to its m”相关的问题

第1题

听力原文：M：Jack has got another pet dog and it is so lovely.W：Some people know very little

听力原文：M：Jack has got another pet dog and it is so lovely.

W：Some people know very little about animals and keep them in the wrong conditions.

Q：What does the woman mean？

(15)

A．Pet dog needs good life conditions.

B．Jack loves dog very much.

C．The woman knows little about caring for pets.

D．Jack knows little about caring for pets.

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第2题

听力原文：M: Please reconsider — what have you got against keeping a dog for a month？ W:

You know Id like to help. But its just that dogs are a lot more trouble than theyre worth. Q: What is the woman most probably going to do？2．

A．She is cheerful.

B．She has nothing.

C．She feels bored.

D．She is special.

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第3题

听力原文：When you walk in any of the cities in the West, you often see a lot of people wal

听力原文： When you walk in any of the cities in the West, you often see a lot of people walking dogs. It is still true that a dog is the most useful and faithful animal in the world, but the reasons why people keep a dog have changed. In the past people used to train dogs to protect themselves against attacks by other beasts. And later they came to realize that a dog was not only useful for protection willing to obey his master. For example, when people used dogs for hunting, the dogs would not eat what was caught without masters' permission. But now people in the city need not protect themselves against attacks of animals. Why do they keep dogs, then？ Some people keep dogs to protect themselves from robbery. But the most important reason is for companionship. For a child, a dog his best friend when he has no friends to play with. For young couples, a dog their child if they have no children. For old couples, a dog is also their child when their real children have grown up. So the main reason why people keep dogs has changed from protection to friendship.

According to the passage, what were dogs trained for in the past？

A．For protection against other animals.

B．For protection against other dogs.

C．Just for fun.

D．For the purpose of guarding the house.

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第4题

听力原文：W：Your dog certainly seems to know you are his master．Did you have to punish him

very often when you train him？

M：I found it's much better to praise him when he obeys and not to be so fussy when he makes mistakes．

Q：What does the man say about training dogs？

(19)

A．He has learned a lot from his own mistakes.

B．He is quite experienced in training wild dogs.

C．He finds reward more effective than punishment.

D．He thinks it vital to master basic training skills.

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第5题

听力原文：When you take a walk in any of the cities in the West, you often see a lot of peo

听力原文： When you take a walk in any of the cities in the West, you often see a lot of people walking dogs. It is still true that dog is the most use fill and faithful animal in the world, but the reasons why people keep a dog have changed. In the old days people used to train dogs to protect themselves against attacks by other beasts. And later they came to realize that a dog was not only useful for protection but willing to obey his master. For example, when people used dogs for hunting, the dogs would not eat what was caught without permission. But now people in the city need not protect themselves against attacks of animals. Why do they keep dogs, then？ Some people keep dogs to protect themselves from robbery. But the most important reason is for companionship. For a child, a dog is his best friend when he was no friends to play with. For young couples, a dog is their child when they have no children. For old couples, a dog is also their child when their real children have grown up. So the main reason why people keep dogs has changed from protection to friendship.

(33)

A．For protection against other animals.

B．For protection against other dogs.

C．Just for fun.

D．For the purpose of guarding the house.

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第6题

听力原文： When you walk in any of the cities in the West, you often see a lot of people wa

lking dogs. It is still true that a dog is the most useful and faithful animal in the world, but the reasons why people keep a dog have changed. In the past people used to train dogs to protect themselves against attacks by other beasts. And later they came to realize that a dog was not only useful for protection but willing to obey his master. For example, when people used dogs for hunting, the dogs would not eat what was caught without masters' permission. But now people in the city need not protect themselves against attacks of animals. Why do they keep dogs, then？ Some people keep dogs to protect themselves from robbery. But the most important reason is for companionship. For a child, a dog is his best friend when he has no friends to play with. For young couples, a dog is their child if they have no children. For old couples, a dog is also their child when their real children have grown up. So the main reason why people keep dogs has changed from protection to friendship.

According to the passage, what were dogs trained for in the past？

A．For protection against other animals.

B．For protection against other dogs.

C．Just for fun.

D．For the purpose of guarding the house.

点击查看答案

第7题

听力原文：A（man): Hi, Mice. I hear that you are planning to have a dog in your house. Is th

听力原文：A(man): Hi, Mice. I hear that you are planning to have a dog in your house. Is that true？

B(woman): Yeah. But I am not so sure now. I'd love to have one because I think dogs are good companions.

A: Sure. I think most people have had a dog or wanted one as their companion at some time in their byes. If you are thinking of buying a dog, you should first decide what sort of companion you need and whether the dog is likely to be happy in the surroundings you can provide.

B: So. What's you advice？

A: Specialist advice is available to help you choose the most suitable breed of dog. But in part, the decision depends on common sense. Most breeds were originally developed to perform. specific tasks. So, if you want a dog to protect you or your house, for example, you should choose a breed that has the right size and characteristics.

B: I have not decided yet, you know. I just thought dogs are lovely and they will do things you want them to do.

A: That's half true. You must be ready to devote a good deal of time to train the dog when it is young and give it the exercise it needs throughout its life. Dogs are demanding pets. The best time to buy a baby-dog is when it is between 6 and 8 weeks old so that it can transfer its affection from its mother to its master. If baby dogs have not established a relationship with the human being until they are over three months old, their strong relationship will always be with dogs. They are likely to be too shy when they are brought out into the world to become good pets.

B: Thank you so much for bring such valuable advice, Tom. I think I am readier than before to have my own dog now.

Why does the woman want to have a dog？

A．Because she is lonely.

B．Because she loves to protect a pet.

C．Because she thinks dogs are good companions.

D．Because she just lost one dog.

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第8题

听力原文："Damage is expected to total into the tens of millions of dollars after several d

听力原文： "Damage is expected to total into the tens of millions of dollars after several days of flooding in south central Alaska. But it's believed no one has been hurt." Tim Wolston, of member station KSKA in Anchorage reports. "As many as fifteen homes have been destroyed and hundreds more damaged (33)in the town of Seward, southeast of Anchorage. The main road leading into Seward has been washed away cutting off the town from outside. Mayor Harry Giesler says hundreds have been evacuated; others prefer to wait it out. 'You know, Alaskans are a very hearty bunch, and especially people that have things like dog teams and animals. They are very, very reluctant to leave their home as long as it's even there.' (34)Rain is forecast to continue for at least another day in Seward. Meanwhile, north of Anchorage, two bridges have been washed away, (35)and the Alaska Railroad, a major form. of transportation between Anchorage and Fairbanks has been cut off, making it very difficult for residents in interior Alaska to get to five. The governor has issued disaster declarations to free up state fund for emergency relief. The state is hoping for federal assistance as well. For National Public Radio, this is Tim Wolston in Anchorage, Alaska."

(34)

A．Southeast of Anchorage.

B．South of Anchorage.

C．Southwest of Anchorage.

D．East of Anchorage.

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第9题

听力原文：Paul always carries his dog in his car when he goes out.

听力原文：Paul always carries his dog in his car when h

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第10题

听力原文：（A) The boy on the right slaps the dog with the hands.（B) The dog is barking at t

听力原文：(A) The boy on the right slaps the dog with the hands.

(B) The dog is barking at the kids.

(C) The girl is holding the dog round its neck.

(D) The boy on the left is trying to touch the dog.

听力原文：（A) The boy on the right slaps the dog with t

A．

B．

C．

D．

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