二年级数学下册练习题

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2015年12月六级考试真题(第三套)
Part I Writing (30 minutes)
Directions: For this part, you are allowed 30 minutes to write a short essay based on the picture
should focus on the harm caused by misleading information are required to
write at least 150 words but no more than 200 words.


Part II Listening Comprehension (30 minutes)
说明:20 15年12月六级真题全国共考了两套听力。本套(即第三套)的听力内容与第二套的完
全一样,只是选 项的顺序不一样而已,故在本套中不再重复给出。

Part III Reading Comprehension (40 minutes)
Section A
Directions: In this section, there is a passage with ten blanks. You are required to select one word
for each blank from a list of choices given in a word bank following the passage.
Read the passage through carefully before making your choices. Each choice in the
bank is identified by a letter. Please mark the corresponding letter for each item on
Answer Sheet 2 with a single line through the centre. You may not use any of the
words in the bank more than once.
Questions 36 to 45 are based on the following passage.
As it is, sleep is so undervalued that getting by on fewer hours has become a badge of honor.
Plus, we live in a culture that 36 to the late-nighter, from 24-hour grocery stores to online
shopping sites that never close. It’s no surprise, then, that more than half of American adults don’t
get the 7 to 9 hours of shut-eye every night as 37 by sleep experts.
Whether or not we can catch up on sleep—on the weekend, say—is a hotly 38 topic
among sleep researchers. The latest evidence suggests that while it isn’t 39 , it might help. When
Liu, the UCLA sleep researcher and professor of medicine, brought 40 sleep-restricted people
into the lab for a weekend of sleep during which they logged about 10 hours per night, they
showed 41 in the ability of insulin (胰岛素) to process blood sugar. That suggests that
catch-up sleep may undo some but not all of the damage that sleep 42 causes, which is
encouraging, given how many adults don’t get the hours they need each night. Still, Liu isn’t 43
to endorse the habit of sleeping less and making up for it later.
Sleeping pills, while helpful for some, are not 44 an effective remedy either. “A sleeping
pill will 45 one area of the brain, but there’s never going to be a perfect sleeping pill, because
you couldn’t really replicate (复制) the different chemicals moving in and out of different parts of
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the brain to go through the different stages of sleep,” says Dr. Nancy Collop, director of the Emory
University Sleep Center.

A) alternatively
B) caters
C) chronically
D) debated
E) deprivation
F) ideal
G) improvements
H) necessarily



































I) negotiated
J) pierce
K) presumption
L) ready
M) recommended
N) surpasses
O) target


Section B
Directions: In this section, you are going to read a passage with ten statements attached to it.
Each statement contains information given in one of the paragraphs. Identify the
paragraph from which the information is derived. You may choose a paragraph more
than once. Each paragraph is marked with a letter. Answer the questions by marking
the corresponding letter on Answer Sheet 2.

Climate Change May Be Real, But It’s Still Not Easy Being Green
How do we convince our inner caveman to be greener? We ask some outstanding social scientists.
[A] The road to climate hell is paved with our good intentions. Politicians may tackle polluters
while scientists do battle with carbon emissions. But the most pervasive problem is less obvious:
our own behaviour. We get distracted before we can turn down the heating. We break our promise
not to fly after hearing about a neighbour’s trip to India. Ultimately, we can’t be bothered to
change our attitude. Fortunately for the planet, social science and behavioural economics may be
able to do that for us.

[B] Despite mournful polar beats and charts showing carbon emissions soaring, most people find
it hard to believe that global warming will affect them personally. Recent polls by the Pew
Research Centre in Washington, DC, found that 75-80 per cent of participants regarded climate
change as an important issue. But respondents ranked it last on a list of priorities.

[C] This inconsistency largely stems from a feeling of powerlessness. “When we can’t actually
remove the source of our fear, we tend to adapt psychologically by adopting a range of defence
mechanisms,” says Tom Crompton, change strategist for the environmental organisation World
Wide Fund for Nature.

[D] Part of the fault lies with our inner caveman. Evolution has programmed humans to pay most
attention to issues that will have an immediate impact. “We worry most about now because if we
don’t survive for the next minute, we’re not going to be around in ten years’ time,” says Professor
Elke Weber of the Centre for Research on Environmental Decisions at Columbia University in
New York. If the Thames were lapping around Big Ben, Londoners would face up to the problem
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of emissions pretty quickly. But in practice, our brain discounts the risks—and
benefits—associated with issues that lie some way ahead.

[E] Matthew Rushworth, of the Department of Experimental Psychology at the University of
Oxford, sees this in his lab every day. “One of the ways in which all agents seem to make
decisions is that they assign a lower weighting to outcomes that are going to be further away in the
future,” he says. “This is a very sensible way for an animal to make decisions in the wild and
would have been very helpful for humans for thousands of years.”

[F] Not any longer. By the time we wake up to the threat posed by climate change, it could well be
too late. And if we’re not going to make rational decisions about the future, others may have to
help us to do so.

[G] Few political libraries are without a copy of Nudge: Improving Decisions About Health,
Wealth and Happiness, by Richard Thaler and Cass Sunstein. They argue that governments should
persuade us into making better decisions—such as saving more in our pension plans—by
changing the default options. Professor Weber believes that environmental policy can make use of
similar tactics. If, for example, building codes included green construction guidelines, most
developers would be too lazy to challenge them.

[H] Defaults are certainly part of the solution. But social scientists are most concerned about
crafting messages that exploit our group mentality (心态). “We need to understand what motivates
people, what it is that allows them to make change,” says Professor Neil Adger, of the Tyndall
Centre for Climate Change Research in Norwich. “It is actually about what their peers think of
them, what their social norms are, what is seen as desirable in society.” In other words, our inner
caveman is continually looking over his shoulder to see what the rest of the tribe are up to.

[I] The passive attitude we have to climate change as individuals can be altered by counting us
in—and measuring us against—our peer group. “Social norms are primitive and elemental,” says
Dr. Robert Cialdini, author of Influence: The Psychology of Persuasion. “Birds flock together, fish
school together, cattle herd together...just perceiving norms is enough to cause people to adjust
their behaviour in the direction of the crowd.”

[J] These norms can take us beyond good intentions. Cialdini conducted a study in San Diego in
which coat hangers bearing messages about saving energy were hung on people’s doors. Some of
the messages mentioned the environment, some financial savings, others social responsibility. But
it was the ones that mentioned the actions of neighbours that drove down power use.

[K] Other studies show that simply providing the facility for people to compare their energy use
with the local average is enough to cause them to modify their behaviour. The Conservatives plan
to adopt this strategy by making utility companies print the average local electricity and gas usage
on people’s bills.

[L] Social science can also teach politicians how to avoid our collective capacity for
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self- destructive behaviour. Environmental campaigns that tell us how many people drive SUVs
unwittingly (不经意地) imply that this behaviour is widespread and thus permissible. Cialdini
recommends some careful framing of the message. “Instead of normalising the undesirable
behaviour, the message needs to marginalise it, for example, by stating that if even one person
buys yet another SUV, it reduces our ability to be energy-independent.”

[M] Tapping into how we already see ourselves is crucial. The most successful environmental
strategy will marry the green message to our own sense of identity. Take your average trade union
member, chances are they will be politically motivated and be used to collective action—much
like Erica Gregory. A retired member of the Public and Commercial Services Union, she is setting
up one of 1,100 action groups with the support of Climate Solidarity, a two-year environmental
campaign aimed at trade unionists.

[N] Erica is proof that a great-grandmother can help to lead the revolution if you get the
psychology right—in this case, by matching her enthusiasm for the environment with a fondness
for organising groups. “I think it’s a terrific idea,” she says of the campaign. “The union backing it
makes members think there must be something in it.” She is expecting up to 20 people at the first
meeting she has called, at her local pub in the Cornish village of Polperro.

[O] Nick Perks, project director for Climate Solidarity, believes this sort of activity is where the
future of environmental action lies. “Using existing civil society structures or networks is a more
effective way of creating change...and obviously trade unions are one of the biggest civil society
networks in the UK,” he says. The “Love Food, Hate Waste” campaign entered into a
collaboration last year with another such network—the Women’s er Rachel Taylor
joined the campaign with the aim of making new friends. A year on, the meetings have made
lasting changes to what she throws away in her kitchen. “It’s always more of an incentive if you’re
doing it with other people,” she says. “It motivates you more if you know that you’ve got to
provide feedback to a group.”

[P] The power of such simple psychology in fighting climate change is attracting attention across
the political establishment. In the US, the House of Representatives Science Committee has
approved a bill allocating $$10 million a year to studying energy-related behaviour. In the UK, new
studies are in development and social scientists are regularly spotted in British government offices.
With the help of psychologists, there is fresh hope that we might go green after all.

46. When people find they are powerless to change a situation, they tend to live with it.
47. To be effective, environmental messages should be carefully framed.
48. It is the government’s responsibility to persuade people into making environment-friendly
decisions.
49. Politicians are beginning to realise the importance of enlisting psychologists’ help in fighting
climate change.
50. To find effective solutions to climate change, it is necessary to understand what motivates
people to make change.
51. In their evolution, humans have learned to pay attention to the most urgent issues instead of
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long-term concerns.
52. One study shows that our neighbours’ actions are influential in changing our behaviour.
53. Despite clear signs of global warming, it is not easy for most people to believe climate change
will affect their own lives.
54. We should take our future into consideration in making decisions concerning climate change
before it is too late.
55. Existing social networks can be more effective in creating change in people’s behaviour.

Section C
Directions: There are 2 passages in this section. Each passage is followed by some questions or
unfinished statements. For each of them there are four choices marked A), B), C), and
D). You should decide on the best choice and mark the corresponding letter on
Answer Sheet 2 with a single line through the centre.
Passage One
Questions 56 to 60 are based on the following passage.
More than a decade ago, cognitive scientists John Bransford and Daniel Schwartz, both then
at Vanderbilt University, found that what distinguished young adults from children was not the
ability to retain facts or apply prior knowledge to a new situation but a quality they called
“preparation for future learning.” The researchers asked fifth graders and college students to create
a recovery plan to protect bald eagles from extinction. Shockingly, the two groups came up with
plans of similar quality (although the college students had better spelling skills). From the
standpoint of a traditional educator, this outcome indicated that schooling had failed to help
students think about ecosystems and extinction, major scientific ideas.
The researchers decided to go deeper, however. They asked both groups to generate questions
about important issues needed to create recovery plans. On this task, they found large differences.
College students focused on critical issues of interdependence between eagles and their habitats
(栖息地). Fifth graders tended to focus on features of individual eagles (“How big are they?” and
“What do they eat?”). The college students had cultivated the ability to ask questions, the
cornerstone of critical thinking. They had learned how to learn.
Museums and other institutions of informal learning may be better suited to teach this skill
than elementary and secondary schools. At the Exploratorium in San Francisco, we recently
studied how learning to ask good questions can affect the quality of people’s scientific inquiry. We
found that when we taught participants to ask “What if?” and “How can?” questions that nobody
present would know the answer to and that would spark exploration, they engaged in better
inquiry at the next exhibit—asking more questions, performing more experiments and making
better interpretations of their results. Specifically, their questions became more comprehensive at
the new exhibit. Rather than merely asking about something they wanted to try, they tended to
include both cause and effect in their question. Asking juicy questions appears to be a transferable
skill for deepening collaborative inquiry into the science content found in exhibits.
This type of learning is not confined to museums or institutional settings. Informal learning
environments tolerate failure better than schools. Perhaps many teachers have too little time to
allow students to form and pursue their own questions and too much ground to cover in the
curriculum. But people must acquire this skill somewhere. Our society depends on them being
able to make critical decisions about their own medical treatment, say, or what we must do about
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global energy needs and demands. For that, we have a robust informal learning system that gives
no grades, takes all comers, and is available even on holidays and weekends.

56. What is traditional educators’ interpretation of the research outcome mentioned in the first
paragraph ?
A) Students are not able to apply prior knowledge to new problems.
B) College students are no better than fifth graders in memorizing facts.
C) Education has not paid enough attention to major environmental issues.
D) Education has failed to lead students to think about major scientific ideas.
57. In what way are college students different from children?
A) They have learned to think critically.
B) They are concerned about social issues.
C) They are curious about specific features.
D) They have learned to work independently.
58. What is the benefit of asking questions with no ready answers?
A) It arouses students’ interest in things around them.
B) It cultivates students’ ability to make scientific inquiries.
C) It trains students’ ability to design scientific experiments.
D) It helps students realize not every question has an answer.
59. What is said to be the advantage of informal learning?
A) It allows for failures.
B) It is entertaining.
C) It charges no tuition.
D) It meets practical needs.
60. What does the author seem to encourage educators to do at the end of the passage?
A) Train students to think about global issues.
B) Design more interactive classroom activities.
C) Make full use of informal learning resources.
D) Include collaborative inquiry in the curriculum.

Passage Two
Questions 61 to 65 are based on the following passage.
“There’s an old saying in the space world: amateurs talk about technology, professionals talk
about insurance.” In an interview last year with The Economist, George Whitesides, chief
executive of space-tourism firm Virgin Galactic, was placing his company in the latter category.
But insurance will be cold comfort following the failure on October 31st of VSS Enterprise,
resulting in the death of one pilot and the severe injury to another.
On top of the tragic loss of life, the accident in California will cast a long shadow over the
future of space tourism, even before it has properly begun.
The notion of space tourism took hold in 2001 with a $$20 million flight aboard a Russian
spacecraft by Dennis Tito, a millionaire engineer with an adventurous streak. Just haft a dozen
holiday-makers have reached orbit since then, for similarly astronomical price tags. But more
recently, companies have begun to plan more affordable “suborbital” flights—briefer ventures just
to the edge of space’s vast darkness. Virgin Galactic had, prior to this week’s accident, seemed
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closest to starting regular flights. The company has already taken deposits from around 800
would-be space tourists, including Stephen Hawking.
After being dogged by technical delays for years, Sir Richard Branson, Virgin Galactic’s
founder, had recently suggested that a Space Ship Two craft would carry its first paying customers
as soon as February 2015. That now seems an impossible timeline. In July, a sister craft of the
crashed space plane was reported to be about half-finished. The other half will have to halt, as
authorities of America’s Federal Aviation Administration (FAA.) and National Transportation
Safety Board work out what went wrong.
In the meantime, the entire space tourism industry will be on tenterhooks (坐立不安).The
2004 Commercial Space Launch Amendments Act, intended to encourage private space vehicles
and services, prohibits the transportation secretary (and thereby the FAA. from regulating the
design oroperation of private spacecraft, unless they have resulted in a serious or fatal injury to
crew or passengers. That means that the FAA. could suspend Virgin Galactic’s licence to fly. It
could also insist on checking private manned spacecraft as thoroughly as it does commercial
aircraft. While that may make suborbital travel safer, it would add significant cost and complexity
to an emerging industry that has until now operated largely as the playground of billionaires and
dreamy engineers.
How Virgin Galactic, regulators and the public respond to this most recent tragedy will
determine whether and how soon private space travel can transcend that playground. There is no
doubt that space flight entails risks, and to pioneer a new mode of travel is to face those risks, and
to reduce them with the benefit of hard-won experience.
61. What is said about the failure of VSS Enterprise?
A) It may lead to the bankruptcy of Virgin Galactic.
B) It has a strong negative impact on space tourism.
C) It may discourage rich people from space travel.
D) It has aroused public attention to safety issues.
62. What do we learn about the space-tourism firm Virgin Galactic?
A) It has just built a craft for commercial flights.
B) It has sent half a dozen passengers into space.
C) It was about ready to start regular business.
D) It is the first to launch “suborbital” flights.
63. What is the purpose of the 2004 Commercial Space Launch Amendments Act?
A) To ensure space travel safety.
B) To limit the FAA’s functions.
C) To legalize private space explorations.
D) To promote the space tourism industry.
64. What might the FAA do after the recent accident in California?
A) Impose more rigid safety standards.
B) Stop certifying new space-tourist agencies.
C) Amend its 2004 Commercial Space Launch Amendments Act.
D) Suspend Virgin Galactic’s licence to take passengers into space.
65. What does the author think of private space travel?
A) It is worth promoting despite the risks involved.
B) It should not be confined to the rich only.
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C) It should be strictly regulated.
D) It is too risky to carry on.

Part IV Translation (30 minutes)
Directions: For this part, you .are allowed 30,minutes to translate a passage from Chinese into
English. You should write your answer on Answer Sheet 2.

在帮助国际社会于2030年前消除极端贫困过程中,中国正扮演着越来越重要的角色。
自2 0世纪70年代末实施改革开放以来,中国已使多达四亿人摆脱了贫困。在未来五年
中,中国将向其他发 展中国家在减少贫困、发展教育、农业现代化、环境保护和医疗保健等
方面提供援助。
中国在 减少贫困方面取得了显著进步,并在促进经济增长方面做出了不懈努力,这将鼓
励其他贫困国家应对自身 发展中的挑战。在寻求具有自身特色的发展道路时,这些国家可以
借鉴中国的经验。


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