Questões de Inglês - Verbos modais | Modal verbs para Concurso
Foram encontradas 220 questões
By Brian X. Chen, August 28, 2008
Just as small, fast-moving mammals replaced lumbering
dinosaurs, pocketable gadgets are evolving to fill niches that
larger, deskbound computers can't reach. But as they shrink,
these gadgets are faced with problems mammals face, too,
such as efficiently dissipating heat.
The recent example of Apple's first-generation iPod nanos
causing fires in Japan raises the question of whether
increasingly innovative product designs are impinging on
safety. The nano incident illustrates how risk can increase as
devices decrease in size, says Roger Kay, an analyst at
EndpointTechnologies.
"As [gadgets] get smaller, the tradeoffs become more difficult,
the balance becomes more critical and there's less room for
error," Kay said. "I'm not surprised it's happening to the nano
because that's the small one. You're asking it to do a lot in a
very, very small package and that's pushing the envelope.”
There's no question that industrial designers' jobs have
become much more difficult as the industry demands ever
more powerful and smaller gadgets. With paper-thin
subnotebooks, ultrasmall MP3 players, and pinkie finger-
sized Bluetooth headsets becoming increasingly popular, it's
questionable where exactly designers draw the line between
innovation and safety.
TEXT I
Beware the power of the blog
Companies may not like blogs, but if they ignore them
they may be inviting some PR disasters
The number of blogs on the internet is doubling every five
months, according to blog-tracking site Technorati. The total is
now around 20 million, with around 1.3 million posts made each
day. Most are no more interesting than overhearing another
person's telephone call, but there are exceptions that can have a
remarkable impact.
(from http://www.computing.co.uk/itweek/comment/ 2145491/beware-power-blog, retrieved on September 24th, 2008)
CAUTION
PROPERHANDLINGOFTHE FINECARTRIDGES
Handle the FINE Cartridges of this product properly, observing
the cautions noted below. Improper handling causes
malfunction or other problems in the product, as well as
damage to the FINE Cartridges.
Note:
1) When you install the FINE cartridges in the product, insert
the FINE Cartridges into the FINE Cartridge Holder
carefully not to knock them against the sides of the holder.
Also be sure to install them in a well-lit environment.
For details, refer to your setup sheet.
2) Do not attempt to disassemble or modify the FINE
cartridges.
3) Do not handle the FINE Cartridges roughly such as
applying them excessive pressure or dropping them.
4) Do not rinse or wipe the FINE Cartridges.
5) Once you have installed the FINE Cartridges, do not
remove them unnecessarily.
(Taken from Canon Inc. 2008 - Printed in Vietnam)
For your protection, please read these safety
instructions completely before operating the appliance, and
keep this manual for future reference.
Carefully observe all warnings, precautions and
instructions on the appliance, or the one described in the
operating instructions and adhere to them.
POWER SOURCES - This set should be operated
only from the type of power source indicated on the marking
label. If you are not sure of the type of electrical power supplied
to your home, consult your dealer or local power company. For
those sets designed to operate from battery power, or other
sources, refer to the operating instructions.
OBJECTAND LIQUID ENTRY - Never push objects
of any kind into the set through openings as they may touch
dangerous voltage points or short out parts that could result in
a fire or electric shock. Never spill liquid of any kind on the set.
ATTACHMENTS - Do not use attachments not
recommended by the manufacturer, as they may cause
hazards.
CLEANING - Unplug the set from the wall outlet
before cleaning or polishing it. Do not use liquid cleaners or
aerosol cleaners. Use a cloth lightly dampened with water for
cleaning the exterior of the set.
OVERLOADING - Do not overload wall outlets,
extension cords or convenience receptacles beyond their
capacity, since this can result in fire or electric shock.
ACCESSORIES - Do not place the set on an
unstable cart, stand, tripod, bracket, or table. The set may
fall, causing serious injury to a child or an adult, and serious
damage to the set. Use only a cart stand tripod, bracket, or
table recommended by the manufacturer.
WATER AND MOISTURE - Do not use power-line
operated sets near water - for example, near a bathtub,
washbowl, kitchen sink, or laundry tub, in a wet basement, or
near a swimming pool, etc.
SERVICING - Do not attempt to service the set
yourself as opening or removing covers may expose you to
dangerous voltage or other hazards. Refer all servicing to
qualified service personnel.
SAFETY CHECK - Upon completion of any service
or repairs to the set, as the service technician to perform
routine safety checks (as specified by the manufacturer) to
determine that the set is in safe operating condition.
(Adapted from SONY manual - Sony Corporation - 2000 - Printed in Japan).
reviews and inspections. A technical review requires substantial
preparation on the part of the presenters. Documents must be
published and distributed and presentation material organized and
made into slides or overheads. Practice sessions are conducted by
presenters with an audience of critics to prepare for the review.
The reviewers should read the material, attend the
presentations, and write reports. On large projects with many
reviews and walk-throughs involving many participants, a
substantial number of labor hours can be consumed analyzing
documents, attending meetings, and writing reports. For example,
a system design review for one module or unit can require 150
labor hours. When overlooked, this labor can result in a very
large error in resource and schedule estimation.
Many projects include risk assessment and risk
management as a key part of the planning process and expect the
plan to identify specific risk areas. The plan is expected to
quantify both probability of failure and consequences of failure
and to describe what will be done to contain development risk.
A. Behforooz and F. Hudson. Software engineering
fundamentals. Ed. Oxford (adapted).
Based on the text above, judge the following items.
honest-to-goodness android, so lifelike that it seems like
a real person. It has moist lips, glossy hair and vivid
eyes that blink slowly. Seated on a stool with hands
5 folded primly on its lap at the 2005 World Exposition in
Japan's Aichi prefecture, it wore a bright pink blazer and
gray slacks. For a mesmerizing few seconds from several
meters away, Repliee was virtually indistinguishable from
an ordinary woman in her 30s. In fact, it was a copy of
10 one.
Japan is proud of the most advanced humanoids in
the world, which are expected to eventually be used as
the workforce diminishes among the decreasing and aging
population. But why build a robot with pigmented silicone
15 skin, smooth gestures and even makeup? To Repliee's
creator, Hiroshi Ishiguro, Director of Osaka University's
Intelligent Robotics Laboratory, the answer is simple:
"Android science."
Besides the justification for making robots
20 anthropomorphic and bipedal so they can work in human
environments with architectural features such as stairs,
Ishiguro believes that people respond better to very
humanlike automatons. Androids can thus elicit the most
natural communication. "Appearance is very important
25 to have better interpersonal relationships with a robot,"
says the 42-year-old Ishiguro. "Robots are information
media, especially humanoid robots. Their main role in
our future is to interact naturally with people."
Mild colorblindness forced Ishiguro to abandon his
30 aspirations of a career as an oil painter. Drawn to
computer and robot vision instead, he built a guide robot
for the blind as an undergraduate at the University of
Yamanashi. A fan of the android character Data from the
Star Trek franchise, he sees robots as the ideal vehicle
35 to understand more about ourselves.
To imitate human looks and behavior successfully,
Ishiguro combines robotics with cognitive science. In turn,
cognitive science research can use the robot to study
human perception, communication and other faculties.
40 This novel cross-fertilization is what Ishiguro describes
as android science. In a 2005 paper, he and his
collaborators explained it thus: "To make the android
humanlike, we must investigate human activity from the
standpoint of cognitive science, behavioral science and
45 neuroscience, and to evaluate human activity, we need
to implement processes that support it in the android."
One key strategy in Ishiguro's approach is to model
his artificial creations on real people. He began research
four years ago with his then four-year-old daughter,
50 casting a rudimentary android from her body, but its
mechanisms resulted in strange, unnatural motion.
Humanlike robots run the risk of compromising
people's comfort zones. Because the android's
appearance is very similar to that of a human, any subtle
55 differences in motion and responses will make it seem
strange. Repliee, though, is so lifelike that it has
overcome the creepiness factor, partly because of the
natural way it moves.
Ishiguro wants his next android, a male, to be as
60 authentic as possible. The model? Himself. The scientist
thinks having a robot clone could ease his busy schedule:
he could dispatch it to classes and meetings and then
teleconference through it. "My question has always been,
Why are we living, and what is human?" he says. An
65 Ishiguro made of circuitry and silicone might soon be
answering his own questions.
adapted from www.scientificamerican.com - May 2006
The Top Ten Principles of Good Consumption
Consumption is one of life's great pleasures. Buying
things we desire, traveling to beautiful places, eating
delectable food: icing on the cake of life. But too often the
effects of our blissful consumption make for a sad story.
Giant cars exhaling dangerous exhaust, hog farms pumping
out harmful pollutants, toxic trash pestering poor
neighborhoods - none of this if there weren't something
to sell.
But there's no need to trade pleasure for guilt. With
thoughtfulness and commitment, consumption can be a force
for good. Through buying what we need, produced the way
we want, we can create the world we'd like to live in.
To that end and for the future, a Consumption Manifesto:
Principle One. Reduce, Reuse, Recycle. This brilliant triad
says it all. Reduce: Avoid buying what you don't need-
and when you do get that dishwasher/lawnmower/toilet,
spend the money up front for an efficient model. Re-use:
Buy used stuff, and wring the last drop of usefulness out of
most everything you own. Recycle: Do it, but know that
it's the last and least effective leg of the triad. (Ultimately,
recycling simply results in the manufacture of more things.)
Principle Two. Stay close to home. Work close to home
to shorten your commute; eat food grown nearby; support
local businesses; join local organizations. All of these will
improve the look, shape, smell, and feel of your community.
Principle Three. Internal combustion engines are polluting,
and their use should be minimized. Period.
Principle Four. Watch what you eat. Whenever possible,
avoid food grown with pesticides, in feedlots, or by
agribusiness. It's an easy way to use your dollars to vote
against the spread of toxins in our bodies, land, and water.
Principle Five. Private industries have very little incentive
to improve their environmental practices. Our consumption
choices must encourage and support good behavior; our
political choices must support government regulation.
Principle Six. Support thoughtful innovations in
manufacturing and production. Hint: Drilling for oil is no
longer an innovation.
Principle Seven. Prioritize. Think hardest when buying
large objects; don't drive yourself mad fretting over the small
ones. It's easy to be distracted by the paper bag puzzle,
but an energy-sucking refrigerator is much more worthy of
your attention. (Small electronics are an exception.)
Principle Eight. Vote. Political engagement enables the
spread of environmentally conscious policies. Without
public action, thoughtful individuals are swimming
upstream.
Principle Nine. Don't feel guilty. It only makes you sad.
Principle Ten. Enjoy what you have-the things that are
yours alone, and the things that belong to none of us. Both
are nice, but the latter are precious. Those things that we
cannot manufacture and should never own-water, air, birds,
trees-are the foundation of life's pleasures. Without them,
we're nothing. With us, there may be nothing left. It's our
choice.
Umbra Fisk, Grist Magazine.
Slightly adapted from: http://www.worldwatch.org/node/1470
Access on June 1, 2007.
on many factors - how the energy is being used, where
it is being used, what energy sources are available,
which sources are most convenient and reliable, which
5 are easiest to use, what each costs, and the effects on
public safety, health, and the environment. Making smart
energy choices means understanding resources and their
relative costs and benefits.
Some energy sources have advantages for specific
10 uses or locations. For example, fuels from petroleum
are well suited for transportation because they pack a
lot of energy in a small space and are easily transported
and stored. Small hydroelectric installations are a good
solution for supplying power or mechanical energy close
15 to where it is used. Coal is widely used for power
generation in many fast-developing countries - including
China, India, and many others - because domestic
supplies are readily available.
Efficiency is an important factor in energy costs.
20 How efficiently can the energy be produced, delivered,
and used? How much energy value is lost in that process,
and how much ends up being transformed into useful
work? Industries that produce or use energy continually
look for ways to improve efficiency, since this is a key to
25 making their products more competitive.
The ideal energy source - cheap, plentiful, and
pollution-free - may prove unattainable in our lifetime,
but that is the ultimate goal. The energy industry is
continuing to improve its technologies and practices, to
30 produce and use energy more efficiently and cleanly.
Energy resources are often categorized as
renewable or nonrenewable.
Renewable energy resources are those that can be
replenished quickly - examples are solar power,
35 biomass, geothermal, hydroelectric, wind power, and
fast-reaction nuclear power. They supply about seven
percent of energy needs in the United States; the other
93 percent comes from nonrenewables. The two largest
categories of renewable energy now in use in the U.S.
40 are biomass - primarily wood wastes that are used by
the forest products industry to generate electricity and
heat - and hydroelectricity.
Nonrenewable energy resources include coal, oil,
natural gas, and uranium-235, which is used to fuel
45 slow-reaction nuclear power. Projections of how long a
nonrenewable energy resource will last depend on many
changeable factors. These include the growth rate of
consumption, and estimates of how much of the remaining
resources can be economically recovered. New exploration
50 and production technologies often increase the ability of
producers to locate and recover resources. World
reserves of fossil energy are projected to last for many
more decades - and, in the case of coal, for centuries.
In: http://www.classroom-energy.org/teachers/energy_tour/pg5.html
is having an impact on the way people think about
datacenters. Companies around the world are
announcing ways to save energy and reduce costs by
5 buying new hardware and services. Yet, there is little
guidance on how you can take action to control energy
costs. In the past, electricity has been treated as an
overhead expense, like the cost of space. But with rising
power costs and issues regarding reliability, supply, and
10 capacity, electricity requires its own specific strategy.
Projects regarding performance optimization and
cost reduction are a part of everyday best practices in
nearly every area of business. So why not treat energy
cost in the same way?
15 As Information Technologies (IT) pros, many of us
make decisions about the configuration and setup of
servers, the specifications on the equipment our
organizations purchase, and the requirements for
datacenter upgrades and construction. We even provide
20 early design input during application development. When
it comes to these projects, we obviously have a golden
opportunity to be green and influence the energy
efficiency of any datacenter.
The first part of any strategy is to know your current
25 energy usage. You need to know where your energy is
used and by what specific equipment, as well as what
usage is efficient and what is wasteful in the datacenter.
Unfortunately, it's rare to find power-consumption
metering in place that can break down usage to a level
30 where people can see the results of their actions. Most
organizations typically only see a monthly power bill
that rolls up consumption into an overall bottom line.
This offers little incentive for saving energy since
individuals never see the impact of their decisions, and
35 there is no way for them to prove that their changes
have actually saved energy.
One of the first issues people confront when
considering a green datacenter initiative is whether they
have executive support. For the purpose of the article, I
40 am going to assume the answer is "not yet." Executive
support requires a serious commitment that provides
resources and budget for your initiative. And while there
is a lot of talk about green datacenters, the reality is
that there is still often a lack of serious support at the
45 executive level. If you did already have such executive
support, you would probably be running a green
datacenter right now.
Still, even assuming you are not getting the support
you need, there is a great deal you can do to push your
50 green datacenter initiative forward. So how do you
determine effective actions to take in achieving your
goals? Fortunately, energy efficiency is not a new
concept and there is a lot that IT pros can learn from
other industries. [.]
55 Anyway, for whichever direction you choose,
planning an energy efficiency program for your datacenter
will require collaboration across groups in IT. Until
recently, the typical approach to planning IT solutions
has been to ignore power costs early on during the design
60 phase, focusing on the hardware and software being
purchased, along with the labor and hosting costs of
the solution. When power is buried in the overhead cost
of running solutions in a datacenter, energy efficiency
is a low priority. Exposing the actual power being
65 consumed by solutions is the first critical step in changing
the behavior of your organization.
By Dave Ohara
TechNet Magazine, October 2007
to 30:
Anthony Harrington, American Ambassador in
Brazil
From 1999 through 2001
"Because I departed my post less than a year
ago, the changes have been neither entirely
monumental nor unforeseen. Most prominently
perhaps, Brazil has faced the effects of the severe
economic challenges of neighboring Argentina,
together with an international slow-down. Two
things stand out in this regard: first, Brazil is
weathering the storm better than most observers
anticipated, primarily because Brazil, under
President Cardoso, has already implemented
much of the key reform with which others are
struggling. Secondly, Brazil is uniquely positioned
and well-disposed to play a constructive role in
helping its neighbor through this storm.
Otherwise, I am pleased that Presidents Bush
and Cardoso are off to a positive start in their
relationship, beginning with an early visit in
Washington before I left Brasilia and another good
meeting recently".
to 20:
Brazil-UK Relations
Brazilian President Fernando Henrique
Cardoso paid a brief visit to the United Kingdom
on 27-28 October 2001, accepting a last minute
invitation by British Prime Minister Tony Blair for a
private meeting. The two leaders met at
Chequers, Buckinghamshire, and were joined by
former American President Bill Clinton.
During the meeting, Blair and Cardoso had
the opportunity to discuss current global affairs
issues such as the ongoing international
campaign against terrorism, the forthcoming
World Trade Organization meeting in Doha and
the reform of the United Nations Security Council.
Speaking to the press before departing for
France, President Cardoso stated that during the
meeting they had agreed on the need for
immediate reform of the UN Security Council so
that the "fate of countries is not decided by a small
group of nations, as it is today".
on the review below, which is entitled "Illusions of
Empire: Defining the New American Order".
Illusions of Empire: Defining the New
American Order
Source: www.foreignaffairs.org
March/April 2004 (Adapted)
In his book The Sorrows of Empire: Militarism,
Secrecy, and the End of the Republic, Chalmers
Johnson advances the disturbing claim that the United
States' Cold War-era military power and far-flung base
system have, in the last decade, been consolidated in a
new form of global imperial rule. The United States,
according to Johnson, has become "a military
juggernaut intent on world domination."
Driven by a triumphalist ideology, an
exaggerated sense of threats, and a self-serving
military-industrial complex, this juggernaut is tightening
its grip on much of the world. The Pentagon has
replaced the State Department as the primary shaper of
foreign policy. Military commanders in regional
headquarters are modern-day proconsuls, warriordiplomats
who direct the United States' imperial reach.
Johnson fears that this military empire will corrode
democracy, bankrupt the nation, spark opposition, and
ultimately end in a Soviet-style collapse.
the text below entitled "The real medicine":
The real medicine
Source: Newsweek (adapted)
Oct 17th 2005
People who survive a heart attack often
describe it as a wake-up call. But for a 61-year old
executive I met recently, it was more than that. This
man was in the midst of a divorce when he was
stricken last spring, and he had fallen out of touch
with friends and family members. The executive´s
doctor, unaware of the strife in his life, counseled him
to change his diet, start exercising and quit smoking.
He also prescribed drugs to lower cholesterol and
blood pressure. It was sound advice, but in combing
the medical literature, the patient discovered that he
needed to do more. Studies suggested that his risk of
dying within six months would be four times greater
if he remained depressed and lonely. So he joined
a support group and reordered his priorities, placing
relationships at the top of the list instead of the bottom.
His health has improved steadily since then, and so
has his outlook on life. In fact he now describes his
heart attack as the best thing that ever happened to
him. "Yes, my arteries are more open," he says. "But
even more important, I´m more open."
text below entitled "Flight of the French":
Flight of the French
Source: Newsweek (adapted)
Sept 26th/Oct 3rd 2005
The Belgians call them "fiscal refugees", but these
refugees wear Chanel. They are runaways from high
taxes in France. Officially, France has lost, on average,
one millionaire or billionaire tax payer per day for tax
reasons since 1997, when the government started trying
to track capital flight. Privately, economists say the
number is much higher. "The statistic is stupid," holds
French economist Nicolas Baverez. "It's as if, to count
contraband, you only counted what people declared at
the border."
While much of Europe has revised its tax codes, France's
fiscal inertia is virtually begging its rich to leave. Holding dear
its commitment to égalité and fraternité, France has bucked
the trend in the European Union, where most member states
have dropped the wealth tax since the mid-1990s. France
went the opposite way in 1997 by abolishing a cap that limited
the wealth-tax bill, which kicks in at incomes over 720,000
euros to 85% of a taxpayer's income. The result: some pay
more taxes than they earn in income.
text below entitled "A dip in the middle":
A dip in the middle
Source: The Economist (adapted)
Sep 8th 2005
Income tax has been paid in Britain for more
than two centuries. First introduced by William Pitt the
Younger to finance the war against Napoleonic France,
it is the Treasury´s biggest source of revenue, raising
30% of tax receipts. It arouses strong political emotions,
regarded as fair by some because it makes the rich pay a
bigger share of their income than the poor, but unfair by
others because it penalizes enterprise and hard work.
During the past 30 years, income tax has been
subject to sweeping changes, notably the cut in the top
rate from 98% to 40% under Margaret Thatcher between
1979 and 1988. Now another Conservative politician,
George Osborne, is floating a radical reform to match
that earlier exploit. The shadow chancellor announced
on September 7th that he was setting up a commission
to explore the possible introduction of a flat income tax
in Britain.
Introducing a flat income tax into Britain would
involve two main changes. At present, there are three
marginal tax rates. These three rates would be replaced
by a single rate, which would be considerably lower than
the current top rate. At the same time there would be an
increase in the tax-free personal allowance, currently
worth 4,895 pounds.
applied an impressive array of innovative technologies to
improve productivity and efficiency, while yielding
environmental benefits. According to the U.S. Department
of Energy, "the petroleum business has transformed itself
into a high-technology industry."
State-of-the-art technology allows the industry to
produce more oil and natural gas from more remote
places - some previously unreachable - with significantly
less adverse effect on the environment. Among the
benefits: increased supply to meet the world's growing
energy demand, reduced energy consumption at oil and
natural gas facilities and refineries, reduced noise from
operations, decreased size of facilities, reduced
emissions of pollutants, better protection of water
resources, and preservation of habitats and wildlife.
With advanced exploration and production
technologies, the oil and gas industry can pinpoint
resources more accurately, extract them more efficiently
and with less surface disturbance, minimize associated
wastes, and, ultimately, restore sites to original or better
condition.
Exploration and production advances include
advanced directional drilling, slimhole drilling, and 3-D
seismic technology. Other segments of the industry have
benefited from technological advances as well. Refineries
are becoming highly automated with integrated process
and energy system controls; this results in improved
operational and environmental performance and enables
refineries to run harder and produce more products safer
than ever before. Also, new process equipment and
catalyst technology advances have been made very
recently to meet new fuel regulations requiring very low
levels of sulfur in gasoline and diesel.
Technology advances such as these are making it
possible for the oil and natural gas industry to grow in
tandem with the nation's energy needs while maintaining
a cleaner environment. The industry is committed to
investing in advanced technologies that will continue to
provide affordable and reliable energy to support our
current quality of life, and expand our economic horizons.
For example, we are researching fuel cells that may
power the vehicles of tomorrow with greater efficiency
and less environmental impact. We are investigating ways
to tap the huge natural gas resources locked in gas
hydrates. Gas hydrates are common in sediments in
the ocean's deep waters where cold temperatures and
high pressures cause natural gas and water to freeze
together, forming solid gas hydrates. Gas hydrates could
be an important future source of natural gas for our nation.
Some of our companies are also investigating
renewable energy resources such as solar, wind,
biomass and geothermal energy. By conducting research
into overcoming the many technological hurdles that limit
these energy resources, they hope to make them more
reliable, affordable and convenient for future use. Although
the potential for these energy resources is great,
scientists do not expect them to be a significant part of
the nation's energy mix for many decades. For this
reason, the industry must continue to invest in
conventional resources such as oil and natural gas. We
will need to rely on these important energy resources for
many decades to come.
TEXT I
The integral approach strategies adopted by
Favela-Bairro consist of proposals of integrated and
participative actions. The path that goes from welfare
to work should combine programs and services for
human and social development with labor and incomegeneration
opportunities. To be viable, however, social
promotion interventions should be focused on
geographical areas with a high concentration of poverty,
specifically on the poorest families.
An intersectoral decentralized and participative
approach can produce synergetic effects capable of
providing greater impact for poverty and inequality
reduction policies, and capable of contributing to their
sustainability.
Although Favela-Bairro has been based on the idea
of integrated urban infrastructure interventions, initially
the program did not incorporate all the basic components
of an integral approach strategy. These components
were gradually incorporated into its design as a result
of the participatory process and the transformations
that occurred in the municipal administration.
Favela-Bairro is the result of an evolving process
that resulted in the creation of a typical integral
development model with a territorial base that
incorporates life-cycle perspectives.
Rio de Janeiro inhabitants, either living in favelas
or not, recognize the importance of the Favela-Bairro
program. A public opinion poll carried out in 2003 asked
cariocas (as Rio residents are called) to choose from
a list of governmental programs the one to which the
next mayor should give priority. Favela-Bairro was
chosen in first place in all three rounds of the survey.
The same institute asked respondents about the most
important project for the city, and again Favela-Bairro
ranked first: 26.1 percent of respondents have elected
Favela-Bairro as more important than programs such
as minimum income, popular restaurants, and even
essential works in major city roads.
(www.worldbank.org on September 10, 2005)