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Scientists in Canada say big fish have almost disappeared from the world since the start of industrial(产业的) fishing in the 1950s. The scientists found the numbers of some kinds of large fish have dropped by ninety percent in the past fifty years.
The study took ten years. The researchers gathered records from fishing businesses and governments around the world. The magazine Nature published the findings.
The scientists say the common method called long line fishing ravages the populations of large fish. This method involves many fishing lines connected to one boat. These wires can be nearly one hundred kilometers long. They hold thousands of sharp metal hooks to catch fish.
Long line fishing is especially common in the Japanese fishing industry. Records showed that Japanese boats used to catch about ten fish for every one hundred hooks. But long line fishing boats now might only catch one fish per hundred hooks.
The scientists say industrial fishing can destroy groups of fish much faster than in the past. The study suggests that whole populations can disappear almost completely from new fishing areas within ten to fifteen years.
Ransom Myers and Boris Worm of Dalhousie University in Nova Scotia led the study with the University of Kiel in Germany. Worm says the destruction could lead to a complete reorganization of ocean life systems. Meyers says the decreased numbers of large fish are not the only worry. He says even populations that are able to reproduce do not get the chance to live long enough to grow as big as their ancestors. He says not only are there fewer big fish, but also they are smaller than those of the past.
It’s the end of this program ,Thank you for your listening.
1.What’s the best title for the passage?
A. Big fish are disappearing B. Long—line fishing in Japan
C. The harm of industrial fishing D. Stop killing big fish
2.Which of the following DOESN’T show that the populations of big fish are smaller than before?
A. Fish can disappear almost completely from new fishing areas.
B. Now long—line fishing boats might catch one fish per hundred hooks.
C. Fish now don’t have the chance to grow big enough.
D. Scientists spent ten years studying the populations of large fish.
3.What can we learn from the passage?
A. The number of big fish started to drop greatly about fifty years ago.
B. The study was started by Boris Worm of Dalhousie alone.
C. There will be no big fish left in fifty years .
D. Japaneses people have stopped catching big fish.
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The amount of time children spend in institutional care(机构式照顾)may affect how their brains develop. That’s the conclusion of a new study carried out by researchers at the University of Wisconsin, Harvard Medical School and the University of Minnesota. The study is published in Child Development in the journal’s January/ February 2010 issue.
To learn how the lack of care and material needs that institutionalized children often experience affect brain development, the researchers looked at 132 8- and 9-year-olds. Some of them were adopted into U.S. homes after spending at least a year and three quarters of their lives in institutions in Asia, Latin America, Russia and Eastern Europe, and Africa. Others were adopted by the time they were 8 months old into U.S. homes from foster care(寄养)in Asia and Latin America; most of these children had spent no time in institutional care, while some had spent a month or two in institutions prior to foster placement. On average, the internationally adopted children had been living with their families for more than 6 years. These children were compared to a group of American children raised in their birth families.
Children adopted early from foster care didn't differ from children raised in their birth families in the United States. Children adopted from institutional care performed worse than those raised in families on tests measuring visual memory and attention, learning visual information, and impulse (冲动)control. Yet these children performed at developmentally appropriate levels on tests involving sequencing and planning.
The take-home message: Children make tremendous advances in cognitive(认知的) functioning once they reach their adoptive families, but the early impact on their brains' development is difficult to change completely.
"We identified basic learning processes that are affected by early institutionalization," notes Seth Pollak, professor of psychology and pediatrics at the University of Wisconsin, who was the study's lead author. "Policies that speed the time in which children can be removed from institutionalized care so they can develop within family contexts should be implemented to decrease the likelihood of learning problems later in children's lives."
67.The passage is mainly written to___________.
A.compare two childcare systems B.criticize the institutional childcare
C.present a new research finding D.introduce the basic learning process
68.Children have their brain development affected in institutional care because__________.
A.they suffer form poor living conditions
B.they spend too much time learning
C.they don’t have freedom staying there
D.they are neither physically nor mentally satisfied
69.Compared with home-raised children, institutionalized children didn’t do as well in tasks like__________.
A.thinking in pictures and self-control
B.working in teams and self-expression
C.putting things in order and self-defense
D.adapting to the environment and self-panning.
70.It can be concluded form the passage that__________.
A.the United States is a good place for children’s all-round development
B.a perfect family is beneficial to children’s all-round development
C.children in institutional care can hardly achieve anything great
D.nothing has been done to help children in institutional care
There is an old Chinese tale about a woman whose only son died. Sadly, she went to the holy man and asked, “What magical things do you have to bring my son back to life?”
Instead of sending her away or reasoning with her, he said to her, “Fetch me a mustard (芥菜) seed from a home that has never known sadness. We will use it to drive the sadness out of your life.” The woman happily went off at once in search of that magical mustard seed.
She first came to a splendid house, knocked at the door and said, “I am looking for a home that has never known sadness. Is it such a place? It is very important to me.”
They told her “You’ve certainly come to the wrong place” and began to describe all the tragic things that had happened to them recently.
The woman said to herself, “I have had misfortune of my own. Who is able to help these poor, unfortunate people?” She stayed to comfort them, and then went on in search of a home that had never known sadness. But wherever she went, she found one tale after another of sadness and misfortune. She became so involved in other people’s sorrow that finally she forgot about her search for the magical mustard seed, never realizing that it had, in fact, driven the sadness out of her life.
【小题1】Which of the following does the story lead us to believe?
| A.Hope for the best, but prepare for the worst. |
| B.Time passed cannot be called back again. |
| C.You can’t feel happy unless compared with others. |
| D.You can’t expect to know the result until you have tried. |
| A.asked her to help him first |
| B.tried to comfort her with kind words |
| C.asked her to look for a thing that didn’t exist at all |
| D.tried to encourage her by talking with her |
| A.was full of hope | B.was filled with sadness |
| C.was determined to try again | D.became discouraged |
| A.A woman’s misfortune | B.A nice surprise |
| C.The holy man’s faith | D.Cure for sadness |
C
Recently, a survey was done among 288,000 students, which shows that today’s traditional-age college freshmen are “more materialistic and less altruistic (利他主义的)” than at any time in the 19 years of the poll (民意调查).
Not surprisingly, in these hard times, the students’ major purpose “is to be financially well off. Developing a meaningful philosophy of life is less important than ever.” It follows then that today the most popular course is not literature or history but accounting.
Interest in teaching, social service and the “altruistic” fields is at a low. On the other hand, enrollment in business programs, engineering and computer science is way up.
That’s no surprise either. A friend of mine (a sales representative for a chemical company) was making twice the salary of her college instructors in her first year on the job---even before she completed her two-year associate degree.
Though it’s true that we all need a career, it is equally true that our civilization has accumulated an incredible amount of knowledge in fields far beyond our own and that it will be better for our understanding of these other contributions—either scientific or artistic.
Similarly, it is true that, in studying the diverse wisdom of others, we learn how to think. More importantly, perhaps, education teaches us to see the connections between things, as well as to see beyond our immediate needs.
Weekly we read of unions who went on strike for higher wages, only to drive their employer out of business. No company; No job. How shortsighted in the long run!
But the most important argument for a broad education is that in studying the accumulated wisdom of the ages, we improve our moral sense. I saw a cartoon recently which shows a group of businessmen looking puzzled as they sit around a conference table; one of them is talking on the intercom (对讲机) : “Miss Baxter,” he says, “could you please send in someone who can distinguish right from wrong?”
From the long-term point of view, that’s what education really ought to be about.
51. According to the result of the survey, college students _______________.
A. take developing a meaningful philosophy of life more seriously
B. have a wide range of knowledge in many aspects
C. pay more attention to the study of literature
D. have never been so materialistic as today
52. The students’ criteria (标准) for choosing their majors today are largely based on _________.
A. their own understanding of the courses
B. the financial goals they seek in life
C. the influence of their instructors
D. the vast potential for the future educational development
53. What does the fifth paragraph imply?
A. Knowledge in other fields has nothing to do with one’s career.
B. Business management should be included in educational programs
C. The importance of a broad education should not be ignored
D. A good understanding of the civilization will make students rich.
54. The author’s attitude to the effect of studying the diverse wisdom of others is ______________.
A. positive B. indifferent C. doubtful D. negative
55. The writer wrote the passage in order to indicate that ______________.
A. college students today are not a diligent generation
B. people engaged in technical jobs lead a more meaningful life
C. career seekers shouldn’t focus on immediate interests only
D. working experience outside college counts a lot to one’s future career
Scientists in Canada say big fish have almost disappeared from the world since the start of industrial(产业的) fishing in the 1950s. The scientists found the numbers of some kinds of large fish have dropped by ninety percent in the past fifty years.
The study took ten years. The researchers gathered records from fishing businesses and governments around the world. The magazine Nature published the findings.
The scientists say the common method called long line fishing ravages the populations of large fish. This method involves many fishing lines connected to one boat. These wires can be nearly one hundred kilometers long. They hold thousands of sharp metal hooks to catch fish.
Long line fishing is especially common in the Japanese fishing industry. Records showed that Japanese boats used to catch about ten fish for every one hundred hooks. But long line fishing boats now might only catch one fish per hundred hooks.
The scientists say industrial fishing can destroy groups of fish much faster than in the past. The study suggests that whole populations can disappear almost completely from new fishing areas within ten to fifteen years.
Ransom Myers and Boris Worm of Dalhousie University in Nova Scotia led the study with the University of Kiel in Germany. Worm says the destruction could lead to a complete reorganization of ocean life systems. Meyers says the decreased numbers of large fish are not the only worry. He says even populations that are able to reproduce do not get the chance to live long enough to grow as big as their ancestors. He says not only are there fewer big fish, but also they are smaller than those of the past.
It’s the end of this program ,Thank you for your listening.
What’s the best title for the passage?
A. Big fish are disappearing B. Long—line fishing in Japan
C. The harm of industrial fishing D. Stop killing big fish
Which of the following DOESN’T show that the populations of big fish are smaller than before?
A. Fish can disappear almost completely from new fishing areas.
B. Now long—line fishing boats might catch one fish per hundred hooks.
C. Fish now don’t have the chance to grow big enough.
D. Scientists spent ten years studying the populations of large fish.
What can we learn from the passage?
A. The number of big fish started to drop greatly about fifty years ago.
B. The study was started by Boris Worm of Dalhousie alone.
C. There will be no big fish left in fifty years .
D. Japaneses people have stopped catching big fish.
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