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题型:阅读理解-阅读单选 难度:0.65 引用次数:40 题号:10839036

As pet ownership booms, a troubling question raises its head: who owns whom?

There is a range of theories about how human came to rule the planet. Opposable thumbs, brain size, altruism(利他主义) and cooking all played a part, but central to the man's success was its ability to dominate other species.

As humanity has got richer, animals' roles have changed. People need their services less than before. Fewer wolves and burglars meant less demand for dogs for protection; the gasoline engine made horses redundant; modern health systems kept rats in check and made cats less useful. No longer necessities, domestic animals became luxuries. Pet-keeping seems to become common when household incomes rise above roughly ﹩5, 000. It is booming.

The pet business is growing even faster than pet numbers, because people are spending more and more money on them. No longer are they food-waste-recyclers, fed with the leftovers that fall from their masters' tables. Pet-food shelves are filled with delicacies, including ice cream for dogs and foods for pets that are old, diabetic or suffer from sensitive digestion.

In the business this is called “pet humanization(人类化)”—the tendency of pet owners to treat their pets as part of the family. This is evident in the names given to dogs, which have evolved from Fido, Rex and Spot to﹣in America﹣Bella, Lucy and Max. It is evident in the growing market for pet clothing, pet grooming(美容) and pet hotels.

People still assume that pets must be working for humanity in some way, perhaps making people healthier or less anxious. But the evidence for that is weak. Rather, new research suggests that dogs have evolved those irresistible “puppy-dog eyes” precisely to dominate human emotions. It has worked. Sentimental Americans often refer to themselves not as cat﹣owners but as the cat's “mommy” or “daddy”. South Koreans go one further, describing themselves as cat “housekeeper”, catering to every cute action. Watch a dog-walker trailing “his” dog, plastic bag in hand to pick up its mess, and you have to wonder: who's in charge now?

1. What is the main cause for human being to become the ruler of the planet?
A.having opposable thumbsB.getting wealthier
C.possessing altruism and cooking skillsD.taking hold of other species
2. What does the underlined word “redundant” in Paragraph 3 probably mean?
A.unnecessaryB.unavailableC.uncertainD.unfavorable
3. What might pet owners do in the past?
A.feed ice cream to their dogsB.prepare foods for pets that are diabetic
C.feed the pets on what remainedD.spend much money on pets
4. What can we learn from the passage?
A.Wolves used to be in great demand.B.Pets can be beneficial to people's health.
C.Pet owners tend to give their pets new names.D.People become subject to pets emotionally.

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阅读理解-阅读单选(约370词) | 适中 (0.65)
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文章大意:本文是一篇说明文。文章主要介绍了一项新的研究发现,该研究表明不起眼的昆虫实际上可以相互学习解决难题,也就是说一些无脊椎动物也有我们人类所谓的“文化”能力。

【推荐1】Next time you’re having trouble solving a tricky puzzle, consider asking a nearby bumblebee. A new study in the journal PLOS Biology finds that these humble insects can actually learn to solve puzzles from one another, suggesting that even some invertebrates(无脊椎动物) have a capacity for what we humans call “culture.”

“Nobody’s really thought that invertebrates like bumblebees show evidence of culture,” says Alice Bridges, an ecologist at Anglia Ruskin University. “People assume that they’re mostly driven by inborn factors.” Bridges set out to prove them wrong. To study culture in bumblebees, she first drilled some bees to solve puzzle boxes. She trained some bees to head-butt the red switch to get the sugar water and trained others to push the blue switch. Then, Bridges placed these tutor bees into different colonies, along with the puzzle boxes.

It wasn’t all fun and games: Bridges got stung multiple times and the fourth sting sent her to the hospital. Bridges persevered, however, and the experiment ultimately played itself out. In colonies where the tutor bee had learned to push the red switch, the other bees usually pushed the red switch. In colonies where the tutor bee was trained to push the blue switch, their fellow bees tended to do the same. In the control colonies where there were no tutors, the bees sometimes learned how to open the boxes, but never as efficiently or reliably.

The conclusion, Bridges and her colleagues report in their new study today, is that bumblebees can transmit certain behaviors—culturally. “Maybe culture isn’t that unusual,” she says. “Maybe it’s not some pinnacle(顶峰) of cognition that only a few species have.”

“Many of us consider ourselves special because we have culture and we can learn,” says Jessica Ware, an entomologist. “The truth is that all we have found about animal culture means that human culture, once thought unique, did not appear ‘out of the blue’ but has obviously built on deep evolutionary(进化的) foundations.”

1. How did the bumblebees get the sugar water from the puzzle boxes?
A.By pressing a button.B.By solving word puzzles.
C.By bursting open the boxes.D.By turning the boxes upside down.
2. What can be inferred about the experiment?
A.It contradicts the former research.B.It shows that culture is unique to humans.
C.It has received wide recognition.D.It has brought Bridges much trouble.
3. What does the underlined phrase “out of the blue” in the last paragraph mean?
A.Slowly.B.Suddenly.C.Endlessly.D.Regularly.
4. Which of the following can be the best title for the text?
A.Can Insects Have Culture?
B.Can New Culture Be Created?
C.How Do Bumblebees Tutor Peers?
D.How Will Invertebrate Study Be Expanded?
2023-05-13更新 | 94次组卷
阅读理解-阅读单选(约380词) | 适中 (0.65)

【推荐2】Japan is known to have higher than average rates of stomach cancer. Recently, the town of Kaneyama in Yamagata Prefecture decided to get its 6, 000 residents (居民) tested.

However, the frozen urine samples (尿样) are not tested in conventional ways. Instead, Professor Masao Miyashita and his team are using them in a trial to determine if specially trained cancer-sniffing dogs can accurately detect the disease. Though the study is still in its early stages, Miyashita is thrilled with the results. He said, “In our research so far, cancer detection dogs have been able to find signs of cancer with an accuracy of nearly 100 percent.”

Researchers have known about the animals’ superior sensory skills for decades. However, their ability to detect cancer in humans came to light in 1989, after a dog sniffed out early-stage malignant melanoma (恶性黑色素瘤) on a patient’s leg in London. Since then, scientists from many countries have conducted studies to test dogs’ great skill at identifying cancer chemicals.

While most dogs can be trained for the task, researchers say the best candidates are dogs that are precise, quiet, and perhaps even a little shy. The training process is similar to how dogs are taught to learn any trick — by rewarding them with treats! However, it takes much longer because the dogs have to learn to separate the “cancer scent (气味)” from the thousands of organic compounds (有机化合物) in the human body. Researchers begin by exposing the dogs to urine samples from people with cancer, people with other diseases, and patients with no health issues, Once the dogs are able to accurately identify cancer, they are further trained to detect particular kinds of cancer.

Successful as they may be, experts think dogs are unlikely to replace conventional tests. For one, it takes about seven years and costs as much as $45,000 to train a single dog. Klaus Hackner, a researcher and physician who studies dogs detecting cancer in breath samples at Krems University Hospital in Austria, is also not convinced dogs can be relied upon alone. Patients, therefore, have to receive further tests to confirm if they have the disease.

1. What do we know about the cancer-sniffing dogs mentioned in Paragraph 2?
A.They have done a great job.
B.They are trained in a special way.
C.They can easily learn to distinguish cancer.
D.They can be seen in many Japanese hospitals.
2. What does the author intend to do in Paragraph 3?
A.Offer readers some advice.
B.Add some background information.
C.Summarize the previous paragraphs.
D.Introduce a new topic for discussion.
3. What kind of dog is suitable for the cancer-sniffing job?
A.Smart and brave.B.Active and faithful.
C.Strong and patient.D.Careful and peaceful.
4. What is Klaus Hackner’s opinion on cancer-sniffing dogs?
A.They should work as a team.
B.They need to receive more training.
C.They can replace doctors in detecting cancer.
D.They should be used together with traditional tests.
2020-12-14更新 | 81次组卷
阅读理解-七选五(约260词) | 适中 (0.65)
文章大意:本文是一篇应用文。文章介绍的是如何养Betta鱼及在养Betta鱼过程中的一些注意事项。

【推荐3】How to Keep Betta Fish

Keeping betta fish can be a fun hobby that does not involve going outside. It does not require too much skill, either. But you do have to be willing to learn. How do you take care of betta fish?

Required parts

First, Etta fish need a home.     1     Second, the container needs small rocks or sand at the bottom. Third, a filter(过滤器)is needed to purify the water. Fourth. a heater is suggested to keep your fish in good condition.

Water quality

Make sure the water you add to the container is safe for fish. Tap water can be used. But it usually contains a chemical harmful to fish, so additional steps need to be taken to test the water.     2     But many fish stores are happy to test your water if you give them some money. They can also provide advice on keeping fish in your area’s water.

Betta fish care

    3     You will need to feed your fish and change its water.

There are many choices for food. Pet stores will carry many of these. Feed your fish once to twice a day. Whatever food you choose, make sure it contains meat.     4    

It is advised to change one fourth of your container’s water once every week or two. Remove the old water and add fresh water.

Friends

Male betta fish are kept alone because they are fighting fish.     5     H you have a larger container with other fish, they might live together peacefully. But do remember that male betta fish often attack other fish and may have to live separately.

A.That is what bettas eat in the wild.
B.Stores sell home water testing products.
C.Betta fish are known for their bright colors.
D.A container that holds at least I1 liters of water is suggested.
E.Males should never be kept with other betta males.
F.Bettas are popular with Americans as pets.
G.After setting up your container, there are two more things to consider.
2023-06-22更新 | 63次组卷
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