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题型:阅读理解-阅读单选 难度:0.65 引用次数:94 题号:5057492

Though I know that I can do little to help the animals, I often check dog rehoming websites. Looking through page upon page of pitiful faces looking up, you might be forgiven for thinking that the only dogs to be abandoned in this country are fierce-looking or large and unruly dogs.

Recently, it seems there are some new additions in dog homes. Dogs Trust — the country’s largest dog welfare charity-says that in the past year over 400 “toy dogs” were handed in, a 44% increase on the year before.

“Toy dog” is the traditional term for all little dogs, but in recent years they’ve increasingly been referred to as “handbag dogs” after the ridiculous manner in which famous people like Paris Hilton carry them around in their $ 1,000 handbags, making these dogs the most wanted for impressionable teens. As the popularity of Hilton has waned, however, these dogs are being rudely tipped out of the handbags and given up to charity.

In spite of the sad ending that this trend brings for some of these dogs, it can only be a good thing if people become aware that the toy types are still dogs, not dolls to be carried around. If you really are prepared to stick with them, a small dog is just as capable of bringing joy without the need to dress him or her up. A large dog won’t sit on your lap while you read the papers or travel happily on the train with you. And a park full of pugs (哈巴狗) would be a happier and safer place than one full of teenage boys and badly trained large dogs. As Edith Wharton said, “My little dog - a heartbeat at my feet.”

1. What is the author’s new finding in the dog rehoming websites?
A.More “handbag dogs” are given up.
B.Some dogs in Dogs Trust are large dogs.
C.Teens are likely to play with their “toy dogs”.
D.The number of abandoned dogs is increasing.
2. What does the underlined word “waned” most probably mean?
A.Grown.B.Weakened.C.Begun.D.Worked.
3. What does the author seem to suggest about dogs in the last paragraph?
A.Large dogs and children make a good park.
B.Keeping small dogs can bring joys in a way.
C.“Handbag dogs” should be forbidden in public places.
D.Ifs good to dress dogs up before carrying them around.

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【推荐1】In the past, before alarm clocks were invented, what did people depend on to wake them up in the morning? Roosters.

“ A rooster’s crow symbolizes the break of dawn in many countries,” Takashi Yoshimura, professor at Nagoya University in Japan, told National Geographic. They are known to regularly crow two to three times at dawn.

However, scientists have long been unsure about why the animals do this. “It wasn’t clear whether crowing is under the control of a biological clock or is simply response to external stimuli.”

Roosters do react to the environment-such as car headlights-at any time of day. So it was previously thought that the increasing light in the morning might be the trigger for roosters’ crowing.

But Yoshimura and his colleagues now claim to have finally figured out the reason-roosters don’t need morning light to know when to start crowing; they will crow at the same time every day regardless of whether they can see dawn breaking.

In the study, which was published in the journal Current Biology, researchers placed 40 roosters in a soundproof, windowless room under dim lighting for 24 hours. But this didn’t deter the roosters. No matter what, they kept crowing in the morning just before dawn.

“It is proof that the behavior is caused by circadian rhythm”, said Yoshimura. In short, the roosters are genetically programmed to crow at a certain time every 24 hours.

Most animals, as well as plants, have such an internal time-keeping system. That’s why we tend to eat, sleep and exercise at around the same time every day. By consciously being aware of the schedule, our body has a chance to adapt to it, so keeping a regular biological clock is often tied to good health.

This experiment is the first of its kind to investigate the timing of roosters’ crowing. Kristen Navara, a scientist at the University of Georgia in the US who was not involved in the study, said that she wasn’t sure why no one had taken a closer look at this well-known phenomenon before.

“I think this is a very interesting study and something that should have been done a long time ago.” said Navara.

1. What has been recently discovered to make roosters crow in the morning?
A.External stimuli like noises.B.Their biological clocks.
C.Exposure to morning light.D.Increased temperature.
2. What does the underlined word “deter” mean in Paragraph 6?
A.Prevent.B.Attract.C.Encourage.D.Upset.
3. Which of the following statements is TRUE according to the article?
A.Roosters have the same circadian rhythms as humans.
B.Following our biological clocks is good for our health.
C.Dark conditions can have some effect on roosters’ crowing.
D.Roosters’ biological clocks will change to help them adapt to the environment.
4. How would Kristen Navara describe Yoshimura’s study?
A.Worthless.B.MeaningfulC.Boring.D.Unscientific.
2020-10-13更新 | 32次组卷
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【推荐2】Keeping fish as pets is a popular hobby. Fish take up little room, are inexpensive to feed, and provide an interesting and colorful display in any room.

A tank, or an aquarium, must be chosen carefully. Many new aquarium owners buy too many fish for their tanks. Fish cannot be crowded. Two fish can live comfortably in each gallon of water, only ten fish can live in a five-gallon tank. Can you see why a goldfish would not live long in a tiny round bowl?

If too many fish are kept together, they will not have enough oxygen or room to swim about freely. They will have more diseases. Also, some kinds of fish cannot be kept together. They will fight and may even kill one another. As your interest in fish grows, the number of fish you have may grow, too. Then you may want to invest in another tank.

If you start with a ten-gallon aquarium, what kind of fish would be best? The two major groups of tropical fish are those that lay eggs and those that give birth to live young. If you want to raise young fish, guppies would be the best choice because they can produce many babies in a short time.

You can buy fish and aquariums in most pet stores. Ask the owner to help you choose the right fish. You can also find many books about tropical fish in the library.

1. Keeping fish is a good hobby for the following reasons EXCEPT _____.
A.fish are not costly to feedB.fish are nice to look at
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2. The underlined part “invest in” (in Paragraph 3) is closest in meaning to _____.
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4. What can we know from the passage?
A.Very few people are interested in keeping fish.
B.The size of your tank decides how many fish you can buy.
C.Guppies are a kind of fish that are good at laying eggs.
D.You can raise different kinds of fish together.
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【推荐3】In a new study published on the Journal of Auian Biology, researchers at the National Autonomous University of Mexico tracked the behavior of house finches(雀) on the main campus of the university, in Mexico City.

The team created an artificial nest lining(内衬), which includes feathers, cotton, hair and cigarette ends. Then, after the birds 'eggs had hatched, they replaced the original lining with the new one, to make sure the nests were pest free. The researchers then added live ticks to the mix, while dead ticks were added to other linings.

It seems that urban house finches use more cigarette ends to line their nests when they've been invaded by ticks. And, those whose nests were given live ticks increased their cigarette end weight by about 40 percent more than those where dead ticks had been used, according to New Scientist. The technique is likely a form of self-medication, the experts explain, as it's thought that the chemicals in cigarette ends can help to keep off the pests.

While this behavior may have its benefits, the researchers say it's also possible that the use of cigarette ends in the nests could have negative effects. "It is a matter of concern that cigarette ends, being poisonous, are part of house finch nests in Mexico City," the authors explain in the paper," but we have not come across evidence of long-term costs of using this material."

According to the researchers, a thorough evaluation will be necessary to determine the real effects of using cigarette ends, whether they are positive or not. But they explain, the findings do suggest that the cigarette ends are linked to the presence of ticks and likely play a role in keeping them away.

1. What does the underlined phrase" the mix" in paragraph 2 refer to?
A.The former nests.B.The artificial lining.
C.The cigarette ends.D.The original lining.
2. What is paragraph 3 mainly about?
A.The findings of the experiment.B.The application of the research findings.
C.The theory related to the recent research.D.The reasons for house finches using cigarette ends.
3. What did house finches do when live ticks were found in their nests?
A.Eat them out.B.Dust them off.
C.Build firmer nests.D.Use more cigarette ends.
4. Which word best describes the author's attitude to the study?
A.Skeptical.B.Conservative.C.Objective.D.Tolerant.
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