阅读理解。 Howling is a behavior commonly observed among a wolf pack. As pack ani
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| 阅读理解。 |
Howling is a behavior commonly observed among a wolf pack. As pack animals, wolves work together
to hunt and rely on howling as an important means of communication among each other. There are different
explanations of a wolf"s howl and it appears that there may be more to discover.
One theory is that wolves howl to bond better together. It"s almost as if howling together helps the pack
stay together. Perhaps something is similar to people feeling a sense of involvement with each other when
singing a song together. But this theory may be wrong, explains Fred H. Harington, a professor who studies
wolf behavior.
Indeed, there have been times when wolves have been seen one moment howling in a chorus, and the
next, quarreling among each other. It appears that usually the lowest-ranking members of the pack may
actually be "punished" for joining in the chorus at times. So is howling a way to strengthen a social bond or
just a way to reconfirm status among its members? - Why do wolves howl for sure?
What is clear, however, is that howling is often used among packmates to locate each other. Hunting
grounds are distant and it happens that wolves may separate from one another at times. When this happens,
howling appears to be an excellent means of gathering.
Howling, interestingly, is a contagious behavior. When one wolf starts to howl, very likely others will
follow. This is often seen to occur in the morning, as if wolves were doing some sort of "roll call" where
wolves all howl together to report their presence. |
| 1. What the possible similarity between wolves" howling together and human"s singing in chorus? |
A. The act of calling each other.
B. the sense of accomplishment.
C. The act of hunting for something.
D. The sense of belonging to a group. |
| 2. Why does Harrington think the "social bond" theory may be wrong? |
A. Wolves separate from each other after howling.
B. Wolves tend to protect their hunting grounds.
C. Wolves sometimes have quarrels after howling together.
D. Wolves of low rank are encouraged to join in the chorus. |
| 3. Researchers are sure that wolves often howl to _____. |
A. show their ranks
B. find their companions
C. report the missing ones
D. express their loneliness |
| 4. "Howling… is a contagious behavior" (in the last paragraph) means _____. |
A. howling is a signal for hunting
B. howling is a way of communication
C. howling often occurs in the morning
D. howling spreads from one to another |
答案
| 1-4: D C B D |
举一反三
| Directions: Complete the following passage by filling in each black with one word that best fits the context. |
Does going to college really 1_____ English class in college on the short story. Our first assignment was
to read 2_____ short stories and then discuss which one was better. After reading both, I wasn"t sure. Over
the 3_____ several months, my professor taught me 4_____ one story was so much better than the other.
5_____ was rich in mclaphor (隐喻) and character development, while the other was humorous 6_____ too
shallow. I couldn"t see this at first. Yet, in a few months, my brain got reeducated and 7_____ could see the
difference between good and bad writing and could appreciate literature at a whole new level.
Going to college helps build a strong mind, which leads 8_____ greater success in one"s life. |
| Reading comprehension. |
A recent study of ancient and modern elephant has come up with the unexpected conclusion that the
African elephant is divided into two distinct (不同的) species.
The discovery was made by researchers at York and Harvard University when they were examing the
genetic relationship between the ancient woolly mammoth and mastodon modern elephants-the Asian
elepphant, African forest elephant, and African savanna elephant.
Once they obastain DNA sequences (序列) from two fossils (化石), mammoths and mastodons, the
team comparted them with DNA from modern elephants. They found their amazement that mordern forest
and savanna elephants are as distinct from each other as Asian elephants and mammoths.
The scientists used detailed genetic analysis to prove that the African savanna elephant and the African
forest elephant have been distinct species for several million years. The divergence of the two species took
place around the time of the divergence of Asian elephants and woolly mammoths. This result amazed all
the scientists.
There has long been debate in the scientific community that the two might be separate species, but this
is the most convincing scientific evidence so far that they are indeed different species.
Previously, many naturalists believed that African savanna elephants and African forest elephants were
two populationgs of the same species, despite the elephants" significant size differences. The savanna elephant
has an average shoulder height of 3.5 metres while the forest elephant has an averate shoulder double the
weight of the forest elephant. But the fact that they look so differrent does not neccssarily mean they are
different species. However, the proof lay in the analysis of the DNA.
Alfried Roca, assitant professor in the Department of Animal Sciences at t he University of Illinois, said,
"We now have to treat the forest and savanna elephants as two difficult units for conservation purpose.
Since 1950, all Afican elephants have been conserved as one species. Now that we know the forest and
savanna elephants have been distinct animals, the forest elephant should become a bigger priority (优先) for
conservation purposes." |
| 1. One of the fossiles studied by the researchers is that of _____. |
A. the Asian elephant
B. the forest elephant
C. the savanna elephant
D. the maslodon elephant |
| 2. The underlined word "divergence" in Paragraph 4 means "_____". |
A. evolution
B. exhibition
C. separation
D. examination |
| 3. The researchers" conclusion was based on a study of the African elephant"s _____. |
A. DNA
B. height
C. weight
D. population |
| 4. What are Alfred Roca"s words mainly about? |
A. The conservation of Afican elephant
B. The purpose of studying Afican elephant
C. The way to divide Afican elephants into two units
D. The renson for the distinction of African elephants |
| 5. Which of the following can be the best tille for the passage? |
A. Naturalist" Beliefs about Elephants
B. Amazing Experiments about Elephants
C. An Unexpected Finding ahout Elephants
D. A Long Scientifif Debate about Elephants |
Directions: Read the following passage. Fill in the numbered blanks by using the information from the passage.
Write NO MORE THAN THREE WORDS for each answer. |
A person searches various websites for different reasons, such as school, work, or entertaiment. For
teenagers, many information resousces on the Internet can be used. As a matter of fact, there are educational,
music and art websites that are truly helpful to teeagers, because they can help make one"s life easier.
Education websites are helpful to a teenager in doing school work and searching for a colleag. Some can
help studying for testes, explaining a lesson, and doing homeward.Some can help find the right school based
on one"s interests. And still others have pages devoted to the social life at each colleges or the species activities
that at a certain school. Some free music sites enable a teenager to diversify their musical_ tastes. On these
sites, all types of music are available such as pop, jazz and country. One can type in a song,category or artist
and his or her entire catalog appears. Then the listener can make multiple play lists without creating an account
(账户) with the site. There various art websites that can help students to appreciate and create art pieces. On
these sites, a student can view numerous photos and art pieces from different. Mediums or create an account
with the website to upload their art pieces for people to see. In addition, one can enjoy various art people have
created on display for the rest of the world.Truly informative resources offered on the Internet. The best
suggestion one can receive is to try to look for new websites that can help in the educational,music, or art area
so one can become well-rounded and informed. |
Truly Helpful Websites for Teenagers
Many 1______ are available on various websites.
I. Educational sites: helping one 2______ and search for a college
· Study for tests, explain a lesson, and do homework
· Find the right school that one 3______
· learn information about college social life and 4______
II. Free music sites; 5______ to diversify musical tastes
· Listen to all types of music
· Type in a song, category, or artist to get an entire catalog
· make multiple playlists 6______
III. 7______; helping one appreciate and create works
· View photos and works from mediums
· 8______ for others to see
· 9______ on display
Helpful websites can make teenagers 10______ |
| 阅读理解。 |
We know the famous ones-the Thomas Edisons and the Alexander Graham Bells-but what about the less
famous inventors? What about the people who invented the traffic light and the windshield wiper (雨刮器)?
Shouldn"t we know who they are?
Joan Mclean thinks so. In fact, Mclean, a professor of physics at Mountain University in Range, feels so
strongly about this matter that she"s developed a course on the topic. In addition to learning "who" invented
"what", however, Mclean also likes her students to learn the answers to the "why" and "how" questions.
According to Mclean, "When students learn the answers to these questions, they are better prepared to
recognize opportunities for inventing and more motivated to give inventing a try."
So,just what is the story behind the windshield wiper? Well, Mary Anderson came up with the idea in 1902
after a visit to Mew York City. The day was cold and stormy, but Anderson still wanted to see the sights, so
she jumped aboard a streetcar. Noticing that the driver was struggling to see through the snow covering the
windshield, she found herself wondering why there couldn"t be a buolt-in devic for cleaing the window. Still
wondering about this when she returned home to Birmingham, Alabama, Anderson started drafting out solutions.
One of her ideas, a lever (操作杆) on the inside of a vehicle that would contral an arm on the outside, became
the first windshield wiper.
Today we benefit from countless inventions and innovations,It"s hard to imagine driving without Garrett A.
Morgan"s traffic light. It"s equally impossible to picture a world without Katherine J. Blodgett"s innovation that
makes glass invisible. Can you picture life without clear windows and eyeglasses? |
| 1. By mentionong "traffic light" and "windshield wiper", the author indicates that countless inventions are _____. |
A. beneficial, because their inventors are famous
B. beneficial, though their inventors are less famous
C. not useful, because their inventors are less famous
D. not useful, though their inventors are famous |
| 2. Professor Joan McLean"s course aims to _____. |
A. add colour and variety to students" campus life
B. inform students of the windshield wiper"s invention
C. carry out the requirements by Mountain University
D. prepare students to try theie own invention |
| 3. Tommy Lee"s invention of the unbreakable umbrella was _____. |
A. not eventually accepted by the umbrella producer
B. inspired by the story behind the windshield wiper
C. due to his dream of being caught in a rainstorm
D. not related to Professor Joan McLean"s lectures |
| 4. Which of the following can best serve as the title of this passage? |
A. How to Help Students to Sell Their Inventions to Producers?
B. How to Design a Built-in Dervice for Cleaning the Window?
C. Shouldn"t We Know Who Inventd the Windshield Wiper?
D. Shouldn"t We Develop Invention Courses in Universities? |
| 阅读理解。 |
For those who study the development of intelligence (智力) in the animal world, self-awareness is an
important measurement. An animal that is aware (意识) of itself has a high level of intelligence.
Awareness can be tested by studying whether the animal recognizes itself in the mirror, that is, its own
reflected image (反射出的影像). Many animals fail this exercise bitterly, paying evry little attention to the
reflected image. Only humans, and some intelligent animals like apes and dolphins, have shown to recognize
that the image in the mirror is of themselves.
Now another animal has joined the club. In the Proceedings of the National Academy of Sciences,
researchers report that an Asian elephant has passed the mirror self-reflection test.
"We thought that elephants were the next important animal," said Dinana Reiss of the Wildlife Conservation
Society, an author of the study with Joshua M. Plotnik and Fans B. M. de Waal of Emory University. With
their large brains, Reiss said, elephants "seemed like cousins to apes and dolphins."
The researchers tested Happy, Maxine and Patty, three elephants at the Bronx Zoo.They put an 8-foot-
square mirror on a wall of the animals" play area (out of the sight of zoo visitors) and recorded what happened
with cameras, including one built in the mirror.
The elephants used their long noses to find what was behind it, and to examine parts of their bodies.
Of the three, Happy then passed the test, in which a clear mark was painted on one side of her face. She
could tell the mark was there by looking in the mirror, and she used the mirror to touch the mark with her
long nose.
Diana Reiss said, "We knew elephants were intelligent, but now we can talk about their intelligence in a
better way." |
| 1. What can mirror tests tell us about animals? |
A. Whether they have large brains.
B. Whether they have self-awareness.
C. Whether they enjoy outdoor exercises.
D. Whether they enjoy playing with mirrors. |
| 2. Why does the author mention apes and dolphins in the text? |
A. They are most familiar to readers.
B. They are big favorites with zoo visitors.
C. They are included in the study by Reiss.
D. They are already known to be intelligent. |
| 3. Why does the author mention apes and dolphins in the text? |
A. They are most familiar to readers.
B. They are big favorites with zoo visitors.
C. They are included in the study by Reiss.
D. They are already known to be intelligent. |
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