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提问人：网友gaofengwen 发布时间：2022-01-06

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听力原文： Most animals have little connection with...

听力原文： Most animals have little connection with animals of a different kind, / unless they hunt them for food. / Sometimes, however, two kinds of animals come together in a partnership / which docs good to both of them. I You may have noticed some birds sitting on the backs of sheep. /This is not because they want a ride, / but because they find easy food in the parasites on sheep. / The sheep allow the birds to do so/ because they remove the cause of discomfort. / So although they can manage without each other, they do better together. / Sometimes an animal has a plant partner. / The relationship develops until the two partners cannot manage without each other. / This is so in the corals of the sea. / In their skins they have tiny plants which act as" dustman", / taking some of the waste products from the corals / and giving in return oxygen which the animal needs to breathe. / If the plants are killed, / or are even prevented from light so that they cannot live normally, / the corals will die.

(1)

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第1题

听力原文：More than sixty percent of all homes in the United States have at least one thing

听力原文： More than sixty percent of all homes in the United States have at least one thing in common: the people living in them keep one or more small animals as pets. These pet owners spend about ten billion dollars each year to buy, feed' and care for their animals. Why？ If you ask the owners, their answers probably would be emotional.

During the past ten years researchers have been attempting to find a more scientific answer. Much of the research on the ties between people and pets is being done at the University of Pennsylvania. Re searchers there have watched hundreds of people play with small animals. Some were very sick. Perhaps the most important observation was the physical effect the animals had on most of the people. The animals seemed to calm the people who touched and talked to them. The human's blood pressure actually dropped.

(30)

A．They keep one or more small animals at home as pets.

B．They kill animals from time to time.

C．They let animals run or fly away now and then.

D．They exchange their animals year in and year out.

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第2题

听力原文：Some desert animals can survive the very strong summer heat and dryness because t

听力原文： Some desert animals can survive the very strong summer heat and dryness because they have very unusual characteristics. The camel, for example, can bear an increase in the temperature of its body and its blood of 9℃. In addition, it can drink an enormous amount of water at one time, then store sufficient water in its red blood cells and other parts of its body to supply its needs for two weeks or more. However, most animals need to maintain a fairly constant body temperature, and will die if it rises more than 5℃. Therefore, they need to find some ways to avoid the strong sun rays. Nor can many animal either store or produce water in their bodies as the camel can. So they must find ways to reduce water loss from their bodies to the lowest degree.

Because very few desert animals can survive the high rays and the temperature, most of them are active during the night. Only after the sun has set does the desert come fully of life. The night is relatively cool, and the darkness provides protection, not only from the sun but also from other animals and from the birds. So the coming of darkness is the signal for the large majority of animals and insects to continue their search of water and food, when morning comes, most of them seek shelter again; many go underground; nearly all find somewhere shady and they can avoid the sun rays there.

What is the best title of the passage？

A．Desert Animal.

B．Camel, An Unusual Animal.

C．A Typical Summer Day and Night of Desert.

D．The Importance of Water on Desert.

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第3题

听力原文：Scientists are gearing up for one of the most ambitious international research pr

听力原文： Scientists are gearing up for one of the most ambitious international research programs ever attempted: a decade-long exploration of the world's oceans to unlock some of the most closely held secrets of the creatures of the deep. Using sophisticated technology that was not available even five years ago, the scientists will rely primarily on the animals they want to study to collect the data needed to complete the "Census of Marine Life". Creatures ranging from blue whales to turtles will be fitted with satellite tracking devices that will record their every movement. The project, involving scores of institutions around the globe, is expected to cost upwards of $1 billion, and it will take at least 10 years. The scientists hope the research will tell us much more about a region of the earth we understand so poorly. That area, incidentally, covers 70 percent of the globe.

(33)

A．10 years.

B．20 years.

C．30 years.

D．50 years.

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第4题

听力原文：Trees have a spectacular survival record. Over a period of more than 400 million

听力原文： Trees have a spectacular survival record. Over a period of more than 400 million years, they have evolved as the tallest, most massive and longest-lived organisms ever to inhabit the Earth. Yet trees lack a means of defense that almost every animal has: threes cannot move away from destructive forces. Because they cannot move, all types of living and nonliving enemies—fire, storm, micro-organisms, insects, other animals and later, humans—have wounded them throughout their history. Trees have survived because their evolution has made them into a highly compartmented organism; that is, they wall off injured and infected wood.

In that respect trees are radically different from animals. Fundamentally, animals heal: they preserve their life by making billions of repairs, installing new cells in the positions of old one. Trees cannot heal: they make no repairs, instead, they defend themselves from the consequences of injury and infection by walling off the damage. At the same time they put new cells in new positions; in effect they grow a new tree over the old one every year. The most obvious results of the process are growth rings, which are visible on the cross section of a trunk, a root, or a branch.

(30)

A．Tall.

B．Green.

C．Massive.

D．Long-lived.

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第5题

听力原文：It's not known exactly bow or why humans domesticated the first dogs. But once ta

听力原文： It's not known exactly bow or why humans domesticated the first dogs. But once tamed, people found them useful and they learned how to selectively breed for certain traits to create animals fit for specific task. Most likely, the first dogs were used for hunting and protection. Some were bred to chase down prey, others to herd livestock. Today's most popular breed, the Labrador, was originally bred by fishermen to haul nets and retrieve fish. But at some point, humans also started to breed dogs for looks and for companionship. Brian has wondered why of all domesticated animals, dogs seem closest to their owners.

Somehow during the long relationship together, dogs learn how to communicate with humans. And they pass the skill down to each succeeding generation. It turns out puppies can understand human gestures even if they've been raised in the wild, while wolves raised in captivity just don't get it. It's a unique skill that perhaps only dogs possess.

What special tasks were not the first dogs bred for？

A．Hunting and protection.

B．Chasing prey.

C．Herding livestock.

D．Keeping accompany.

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第6题

听力原文：One way that scientists learn about man is by animals, such as mice, rats and mon

听力原文： One way that scientists learn about man is by animals, such as mice, rats and monkeys. The scientists in this laboratory are experimenting on mice. They are studying the relationship between diet and health. At this time over one hundred experiments are going on in this laboratory.

In this experiment, the scientists are studying the relationship between the amount of food the mice eat and their health. The mice are in three groups. All three groups are receiving the same healthy diet. But the amount of food that each group is receiving is different. The first group is eating one cup of food each day, the second is eating two cups, and the third group of mice is eating three cups.

After three years, the healthiest group is the one that is only eating one cup of food each day. The mice in this group are thinner than normal mice. But they are more active. Al so they are living longer. Mice usually live for two years. Most of the mice in this group are still alive after three years. The second group of mice is normal weight. They are healthy, too. They axe active, but not as active as the thinner mice. But they are only living about two. years. The last group of mice spends most of the day eating or sleeping. They are not very active. These mice are living longer than the scientists thought: about a year and a half. But they are not healthy. The experiment is still going on. The scientists hope to finish their studies in two years. 32．According to the passage，what animals are often used by scientists to learn about man？

(33)

A．Mice.

B．Rats.

C．Monkeys.

D．A, B andC

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第7题

听力原文：Camping can teach you many things, such as how to recognize plants and animals, t

听力原文： Camping can teach you many things, such as how to recognize plants and animals, to set up a tent, and to read a map. Most of all, you can anticipate understanding more about yourself and your place in nature.

Whether you decide to travel on foot into the wilderness, to travel by canoe, or simply to drive to a nearby campground, you are probably looking for some of the same experiences. Most campers hope to find a simpler lifestyle. They tend to forget about work and worries while they enjoy being outdoors;

Because the number of U. S. campers is increasing daily, the National Park Service advises outdoor lovers to remember several things. First, although it encourages campers to enjoy outdoors, it urges everyone to treat nature with respect. That involves leaving your campsite cleaner than you found it. It involves learning to enjoy the natural world of plants and animals without disturbing it. Remember that wild animals are wild, and they can hurt you, just as you can hurt them.

The park service invites you to enjoy and explore the world of nature, but at the same time, it expects you to protect each area you visit so that future generations may look forward to having similar enjoyable experiences.

(33)

A．To learn to recognize plants and animals.

B．To get to know more about yourself and your place in nature.

C．To lean how to make use of a map to find your way in the open air.

D．To learn how to survive in the wildness.

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第8题

听力原文：A university professor recently made several experiments with different animals t

听力原文： A university professor recently made several experiments with different animals to find out which was the most intelligent.

He found out that the monkey was more intelligent than other animals.

In one experiment the professor put a monkey in a room where there are several small boxes. Some boxes were inside other boxes. One small box had some food inside of it. The professor wanted to watch the monkey and to find out how long it would take the monkey to find the food. The professor left the room. He waited a few minutes outside the door. Then he knelt down and put his eye to the keyhole. What did he see？ To his surprise he found himself looking directly into the eye of the monkey. The monkey was looking at the professor through the keyhole on the other side of the door.

(30)

A．To find out how clever monkeys were.

B．To test the intelligence of different animals.

C．To compare the difference between man and the monkey.

D．To find out how monkeys search for food.

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第9题

听力原文：M：Are men's suits on the seventh floor？W：No，they are here，on sixth. Seventh are h

听力原文：M：Are men's suits on the seventh floor？

W：No，they are here，on sixth. Seventh are house wares.

Q：Where does the conversation most probably take place？

(4)

A．In a ware house.

B．In a gas station.

C．In a department store.

D．In an office.

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第10题

听力原文：Camping can teach you many things, such as how to recognize plants and animals, t

听力原文： Camping can teach you many things, such as how to recognize plants and animals, to set up a tent and to read a map. Most of all, you can anticipate understanding more about yourself and your place in nature.

Whether you decide to travel on foot into the wilderness, to travel by canoe, or simply to drive to a nearby camp ground, you are probably looking for some of the same experiences. Most campers hope to find a simpler life. They tend to forget about work and worries while they enjoy being outdoors.

Because the number of the U.S. campers is increasing daily, the National Park Service advises outdoor lovers to remember several things. First, although it encourages campers to enjoy the outdoors, it urges everyone to treat nature with respect. That involves leaving your campsite cleaner than you found it. It involves learning to enjoy the natural world of plants and animals without disturbing it. Remember that wild animals are wild, and they can hurt you, just as you can hurt them.

The park service invites you to enjoy and explore the world of nature, but at the same time, it expects you to protect each area you visit so that future generations may look forward to having similar enjoyable experiences.

Questions 32 to 35 are based on the passage you have just heard.

32. What is the main purpose for camping？

33. What do most campers look for？

34. What does the National Park Service urge the campers to do？

35. What is the main purpose of the speaker？

(33)

A．To learn to recognize plants and animals.

B．To set up a tent and learn how to cook by yourself.

C．To get to know more about yourself and your place in nature.

D．To learn how to make use of a map to find your way in the open air.

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