Americanslovedogs,alltypesofdo

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更新 2022-09-03
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Americans love dogs, all types of dogs: small dogs, big dogs, lapdogs (供玩赏的小狗). Each year, people spend billions of dollars on their four-legged pals, making sure the lovable dogs have enough food to eat and lots of toys to play with.
Dogs love people, too. They lick their faces, protect their homes. Where did these four-legged companions come from? Some scientists believe that they have found the answer.
Scientists have long known that dogs evolved from（演化） wolves. Exactly when the transformation from wolf to dog actually took place, however, remains a mystery.
Some said dogs evolved as a separate species 135,000 years ago in two parts of the world. One group of dogs developed in Europe and Asia from Asian wolves. The other group evolved in North, Central, and South America from American wolves.
Now researchers say those theories are wrong. New studies suggest that domesticated dogs first appeared 15,000 years ago in eastern Asia. Scientists also say that every modern dog descended from approximately five female Asian wolves, the mother of all modern dogs.
Scientists suspect dogs first set paws in North America by following settlers across a land bridge that once linked northern Asia and North America.
According to recent studies, all modern dogs came from female wolves in ______.

A．Asia	B．Africa
C．Europe	D．South America

From this story, we can conclude that _______.

A．dogs are scientists’ best friends

B．dogs are more like wolves than they are like any other animal

C．most dogs are from Africa

D．scientists have no idea how dogs evolved

The underlined word “domesticated” means “_______”.

A．tamed

B．indoor

C．intelligent

D．friendly

The best title for this story might be ______.

A．Why Cats Don’t Like Dogs

B．Barking up the Wrong Tree

C．Love Me, Love My Dog

D．Going from Wolf to Dog

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相关试题

(B)
A learning style is a way of learning. The styles which are often talked about are the Auditory（听觉的）, Visual, and Tactile （触觉的） learning styles. Read about each of following learning styles to decide what your learning style is.
Are you an Auditory Learner?
Auditory learners learn best when information appears as sounds. Do you seem to learn best in classes where teachers speak more? Does listening to tapes help you learn better? Do you find yourself reading out loud or talking things out to gain a better understanding? If so, you are probably an auditory learner.
Are you a Visual Learner?
Visual learners learn best when information is presented as something such as a picture or a drawing. Do you do best in classes in which teachers do a lot of writing on the blackboard and make full use of the TV? Do you take written notes from your textbooks and in class? If so, you are probably a visual learner.
Are you a Tactile Learner?
Tactile learners learn best in hands-on learning settings in which they can use something or play with it in order to learn about it. Do you learn better when you touch or handle things? Do you do well in lab classes? If so, you are probably a tactile learner.
Your learning style is your strength. Go with it whenever you can. When you can choose a class, try to choose one that works best with your learning style. When you can choose a teacher, try to choose one whose teaching methods are the best match for your learning style.
65. How many learning styles are mentioned in the passage?
A. 2.         B. 3.            C. 4.            D. 5.
66. The underlined word “visual” in the first paragraph probably means “______”.
A. connected with one’s actions   B. connected with the sense of sight
C. knowing by touching something D. having good eyesight
67. If you do well in lab classes, you are probably ______.
A. a Visual Learner           B. an Auditory Learner
C. a Tactile Learner        D. an Active Learner
68. The last paragraph mainly tells readers ______.
A. how to choose good teachers and good classes
B. that learning styles are people’s strengths
C. how to choose good classes and good schools
D. that learning styles should go with classes and teachers

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第三部分阅读理解（共15小题；每小题2分，共30分）
(A)
It is easier to start to learn a new language than to become good at it. I’ve started to learn many new languages, such as French, Spanish, Italian, Russian, Afrikaans (南非荷兰语), and so on. I can’t speak them yet, but I’ve started picking up a few words and phrases that help me when I’m visiting. Most importantly, I’ve had fun doing this.
I’ve started to learn Italian, but I haven’t learned any Italian grammar, and when I visit Italy I’m not able to speak Italian correctly. My aim is just to communicate at a very basic level when I visit a country, to make an effort, and to show appreciation of the language and culture. I’m not trying to talk about politics or explain my views on life. I pick key or useful words and phrases that I want to learn. For example, as a visitor to another country, the key words in a foreign language are the words which will be of the most use to you and which you will use most often. These key words and phrases will vary from visitor to visitor, depending on the purpose of their trip.
It is worth remembering that it is easier to start a task than to finish it, and the same goes for learning a new language. The better you are at it, the slower your rate of progress will be, as you have to learn grammar, words and so on. If you are only trying to learn a few foreign words and phrases, you will make faster progress, have more fun, and won’t have to spend too much time on any given language.
61. From the second paragraph, we can infer that ______.
A. the writer is good at Italian, although it is rather difficult
B. the writer doesn’t like learning Italian because it is no fun
C. discussing politics or explaining one’s view requires an advanced language level
D. it is great fun to communicate with the local people in another country
62. Which of the following does the writer prefer to learn?
A. Sentence structure. B. Important words and phrases.
C. Complicated sentences. D. Grammar.
63. You can make faster progress ______.
A. if your language level is advanced B. if you only try to learn some basic words
C. once you speak the language well
D. once you have mastered several other languages
64. Which of the following would be the best title of this passage?
A. Starting Learning a New Language Is Easier than Becoming Good at It
B. How to Visit a Foreign Country
C. The Importance of Learning a Foreign Language
D. Why You Should Learn Several Foreign Languages

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A vegetarian（素食者）diet may help to protect people against cancer, a UK study suggests. Analysis of data from 52,700 man and women shows that those who did not eat meat had significantly fewer cancers than those who did.
Published in American Journal of Clinical Nutrition, the findings were worth looking into .Although it is widely recommended that people eat some fruits and vegetables every day to reduce their risk of cancer and other diseases, there is very little evidence showing that a vegetarian diet can surely reduce cancers .
But surprisingly, the researchers also found a higher rate of colorectal（直肠的）cancer – a disease connected with eating red meat – among the vegetarians.
Study leader Professor Tim Key, a researcher at the University of Oxford, said no previous study had looked at the diet in this way and that there had been a lot of confusion about the issue.
“It’s interesting – it suggests there might be some reduction in cancers in vegetarians, but we need to look carefully at that”, said the professor.
More work is needed to show the connections between diet and cancer but such studies are very hard to do. Dr Joanne Lunn, a senior nutrition scientist at the British Nutrition Foundation, said the findings highlighted the fact that cancer is a complex disease and many different lifestyle factors play a part in determining a person’s risk.
73. What would be the best title for the passage?
A. Reasons for getting cancers.
B. Vegetarians get fewer cancers.
C. Tips on avoiding cancers.
D. A surprising discovery on colorectal cancer.
74. Why are the findings worth looking into?
A. They can encourage healthy eating.
B. They show that cancer is a complex disease.
C. they show a brand new discovery.
D. They have been published in American Journal of Clinical Nutrition.
75. We can learn from the passage that _________.
A. people eating red meat are unlikely to get colorectal cancer
B. the diet is one of the many factors that determine a person’s health
C. the connections between a vegetarian diet and cancer are clear through the research
D. scientists will soon figure out the relationship between the diet and cancer

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When scientists set out to explore the roots of human laughter, some apes（类人猿） were just tickled（胳肢）to help. That’s how researchers made a variety of apes and some human babies laugh. After analyzing the sounds, they concluded that people and great apes inherited laughter from a shared ancestor that lived more than 10 million years ago. Experts praised the work, it gives strong evidence that ape laughter and human laughter are related through evolution（进化）.
Scientists have noted that apes make characteristic sounds during play or while being tickled, especially to signal that they’re interested in playing. It’s been suggested before that human laughter grew out of primate（灵长类动物） roots. But ape laughter doesn’t sound like human laughter. It may be slower noisy breathing. So what does that have to do with the human ha-ha? To investigate that, Marina Davila Ross and her colleagues carried out a detailed analysis of the sounds made by tickling three human babies and 21 other primates, apes included.
After measuring 11 features in the sound from each species, they tried to find out how these sounds appeared to be related to each other. The result looked like a family tree. Significantly, that tree matched the way the species themselves are related, the scientists reported online in the journal Current Biology. They also concluded that while human laughter sounds much different from ape laughter, their typical features could have come from the same ancestor.
Panksepp, who studies laughter-like responses in animals but didn’t participate in the new work, called the paper exciting. Panksepp’s own work concludes that even rats produce laughter in response to playing and tickling, with sounds that can hardly be heard by people. Robert Provine, a scientist, who wrote the book, Laughter: A Scientific Investigation, said the new paper showed some important clues, like ape sounds that hadn’t been realized before.
69. Why did the scientists analyze the laughter made by tickling human babies and apes?
A. To try to discover if they can make characteristic sounds.
B. To see if they interested in playing.
C. To find out if the laughter of apes and humans is related.
D. To find out the differences between humans and apes.
70. Based on Paragraph 3 we can know that researchers measured the features in the sound to ________.
A. find out ape sounds that hadn’t been realized before
B. find out relations among primates’ laughter
C. see what a family tree from each species looks like
D. make a report online in the journal Current Biology
71. What can be inferred from the last paragraph?
A. Panksepp spoke highly of the new research.
B. Rat laughter is likely to be related to ape laughter.
C. Robert Provine provided some new clues for the researchers.
D. Humans don’t enjoy listening to ape laughter.
72. What would be the best title for the passage?
A. Ape study explores evolution of laughter.
B. Apes like to laugh when being tickled.
C. Human laughter and ape laughter are different.
D. Laughter: A Scientific Investigation.

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Ayesha and Latisha Jones need to take a break in their own homework to help their dad, because at the age of 52, John Jones is just now learning to read.
“I was so uncomfortable and so ashamed,” he said. For many years, unable to read a menu or a bus schedule, Jones was just one of the estimated 65,000 adults in Buffalo, New York who cannot read above a 5th-grade level.
And a new study shows the problem is getting worse in many states. California, New York and Florida have all shown surprising increases in illiteracy（文盲）rates. The situation has improved in a few states, like Mississippi, Rhode Island and Kentucky. But worldwide, the United States doesn’t perform well.
Fourteen countries rank higher in reading ability than the United States, including Finland, Canada, New Zealand, Australia, Ireland, South Korea, UK, Japan, Sweden, Iceland, Belgium, Austria, France and Norway.
Back in Buffalo, a program called Read to Succeed targets the problem early, teaching preschoolers shapes, colors and letters.
“We have a lot of poverty and that means a lot of children don’t have the skills, but they have the potential（潜质）,” said Helene Kramer of Read to Succeed. The theory is : you’re never too young or too old to learn.
Working with Buffalo’s literacy volunteers has given Jones a fresh start. “They gave me a chance to open a door that I could never open before,” he said. “I could never open it before, because I couldn’t read.” It’s not easy, but Jones says seeing his daughters read inspires him to try.
64. In America, which of the following states has seen an improvement in the situation of illiteracy?
A. New York. B. Mississippi. C. Florida. D. California
65. Helene Kramer would probably think that _______.
A. kids should not learn to read too early
B. old people aren’t able to learn to read
C .poverty contributes to poor reading ability
D. most poor kids have difficulty reading
66. What can we know about John Jones?
A. He is very tired of learning to read.
B. He is thankful for the chance to learn to read.
C. It is easy for him to learn to read.
D. His children don’t like to help him.
67. It can be inferred from the passage that _______.
A. Canadians perform better in reading than Americans
B. American children’s ability to solve problems is quite bad
C. the illiteracy rates in New York have dropped
D. Norway ranks the lowest in reading ability
68. What might be the best title for the passage?
A. America ranks higher in reading ability.
B. volunteers help a man live a new life.
C. Reading offers more chances to children.
D. Find inspiration to fight illiteracy.

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