Questões de Vestibular
Sobre pronomes | pronouns em inglês
Foram encontradas 159 questões
Q1387312
Inglês
Texto associado
Leia o texto abaixo para a questão.
Friendship Day History
There is not much literature on Friendship Day history as we celebrate today. However,
there are numerous folktales and several instance in mythological legends that shows that friends
and friendship have been valued since the beginning of civilized world. As an intrinsically social
creature, men love to make friends to further this process of socialization.
History of Friendship Day in US
Considering the valuable role friends play in our life it was deemed to fit to have a day
dedicated to friends and friendship. The United States Congress, in 1935, proclaimed first Sunday
of August as the National Friendship Day. Since then, celebration of National Friendship Day
became an annual event. The noble idea of honoring the beautiful relationship of friendship caught
on with the people and soon Friendship Day became a hugely popular festival. Following the
popularity and success of Friendship Day in US, several other countries adopted the tradition of
dedicating a day to friends. Today, Friendship Day is enthusiastically celebrated by several
countries across the world including India. In 1997, the United Nations named Winnie - the
Pooh as the world's Ambassador of Friendship.
Importance of Friendship in Bible
The Bible, the primary text of the western civilization, reflects upon friendship as the bond that
forms the foundation to human faith, trust and companionship. Following verses from the bible
aptly portray the importance of friends:
"Ask and it will be given to you; seek and you will find; knock and the door will be opened to
you.”
Matthew 7:7
“Greater love hath no man than this that a man lay down his life for his friends.”
John 15:13-15
http://www.friendshipday.org/friendship-day-history.html ≥ Acesso em 09/06/2015
Marque a alternativa que melhor completa as frases com os pronomes respectivamente
corretos.
I – I cut ____________ with a pair of scissors. II – Did you talk to __________ yesterday? III – Susan falls in love with Paul. She really likes____________. IV – Is this ___________? V – We bought new things at the mall last night. By the way, _________ shoes are the same color.
I – I cut ____________ with a pair of scissors. II – Did you talk to __________ yesterday? III – Susan falls in love with Paul. She really likes____________. IV – Is this ___________? V – We bought new things at the mall last night. By the way, _________ shoes are the same color.
Q1387305
Inglês
Marque a alternativa cujas respostas melhor completa as frases abaixo.
I – ….. are their names? They’re Melissa and Andrew. II – ….. is my bag? On the table. III – ….. is it difficult? It is so easy. IV – …… did you do that? Because I wanted it. V – ….. was your last vacation? It was on January.
I – ….. are their names? They’re Melissa and Andrew. II – ….. is my bag? On the table. III – ….. is it difficult? It is so easy. IV – …… did you do that? Because I wanted it. V – ….. was your last vacation? It was on January.
Q1265095
Inglês
Texto associado
Learn ‘n’ go
How quickly can people learn new skills?
Jan 25th 2014 – from the print edition
In 2012, Erik Brynjolfsson and Andrew McAfee took a ride in one of Google’s driverless cars. The car’s performance, they report, was flawless, boring and, above all, “weird”. Only a few years earlier, “We were sure that computers would not be able to drive cars.” Only humans, they thought, could make sense of the countless, shifting patterns of driving a car – with oncoming1 traffic, changing lights and wayward2 jaywalkers3 .
Machines have mastered driving. And not just driving. In ways that are only now becoming apparent, the authors argue, machines can forecast home prices, design beer bottles, teach at universities, grade exams and do countless other things better and more cheaply than humans. (…)
This will have one principal good consequence, and one bad. The good is bounty4 . Households will spend less on groceries, utilities and clothing; the deaf will be able to hear, the blind to see. The bad is spread5 . The gap is growing between the lucky few whose abilities and skills are enhanced6 by technology, and the far more numerous middle-skilled people competing for the remaining7 jobs that machines cannot do, such as folding towels and waiting at tables. (…) People should develop skills that complement, rather than compete with computers, such as idea generation and complex communication. (…)
O pronome relativo whose, em negrito no terceiro parágrafo, refere-se a
Ano: 2015
Banca:
PUC - RJ
Órgão:
PUC - RJ
Prova:
PUC - RJ - 2015 - PUC - RJ - Vestibular - 1º Dia Grupo 1, 3 e 4 |
Q637538
Inglês
Texto associado
By Becky Oskin, Senior Writer. Adapted from http://www.
livescience.com/49262-indian-ocean-tsunami-anniversary.
html. December 26, 2014.
The relative pronoun which (line 76), in the fragment
“which is relayed by satellite to warning centers”, makes
reference to
Q591450
Inglês
Texto associado
Drivers who continue to use their smartphones while driving are not only
distracted when they call and text. Apart from calling and texting, drivers are also
browsing the Internet, tweeting, video chatting, taking selfies and sending email with
their devices, according to a study by AT&T.
The research was conducted as part of the carrier's "It Can Wait" campaign launched in 2010. It hopes to increase awareness of the dangers posed by using smartphones while one is behind the wheel. The study polled 2,067 U.S. residents ages 16-65 who use their smartphone and drive once or more per day.
Seventy percent of those surveyed admit they use their smartphones for a number of activities while they are driving: 61 percent say they text and 33 percent send email while they are behind the wheel. Posting or interacting on social media is also one of the most common activities that drivers engage in. Using Facebook ranks first on the list, with 27 percent of drivers logging in while driving. Other social media channels that keep drivers "multitasking" include Instagram and Twitter (14 percent) and Snapchat (11 percent).
The results also show that there is a deeper problem involved when people use social media while driving. Among those surveyed, 22 percent blame their addiction to social media.
Other revelations show 62 percent keep their smartphones within easy reach, and that 30 percent of those who post to Twitter while driving do it "all the time". Drivers also don't seem to run out of other activities using their smartphones since most apps are now easily accessed with just a simple tap. Because of this, 28 percent of drivers browse the web; 17 percent take selfies (or groupies); and 10 percent video chat.
"One in 10 say they do video chat while driving", said Lori Lee, AT&T's senior VP for global marketing. "I don't even have words for that". AT&T plans to expand the "It Can Wait" campaign in order to add more focus on the topic of texting while driving by including other driving distractions that result from using the smartphones. "When we launched 'It Can Wait' five years ago, we pleaded with people to realize that no text is worth a life", said Lee. "The same applies to other smartphone activities that people are doing while driving. For the sake of you and those around you, please keep your eyes on the road, not on your phone". AT&T will also launch a nationwide virtual reality tour in summer in order to spread the word that driving and using a smartphone don't and will never mix.
Forget Texting While Driving: AT&T Survey reveals drivers do a lot more with their smartphones
By Menchie Mendoza, Tech Times | May 20, 10:10 AM
The research was conducted as part of the carrier's "It Can Wait" campaign launched in 2010. It hopes to increase awareness of the dangers posed by using smartphones while one is behind the wheel. The study polled 2,067 U.S. residents ages 16-65 who use their smartphone and drive once or more per day.
Seventy percent of those surveyed admit they use their smartphones for a number of activities while they are driving: 61 percent say they text and 33 percent send email while they are behind the wheel. Posting or interacting on social media is also one of the most common activities that drivers engage in. Using Facebook ranks first on the list, with 27 percent of drivers logging in while driving. Other social media channels that keep drivers "multitasking" include Instagram and Twitter (14 percent) and Snapchat (11 percent).
The results also show that there is a deeper problem involved when people use social media while driving. Among those surveyed, 22 percent blame their addiction to social media.
Other revelations show 62 percent keep their smartphones within easy reach, and that 30 percent of those who post to Twitter while driving do it "all the time". Drivers also don't seem to run out of other activities using their smartphones since most apps are now easily accessed with just a simple tap. Because of this, 28 percent of drivers browse the web; 17 percent take selfies (or groupies); and 10 percent video chat.
"One in 10 say they do video chat while driving", said Lori Lee, AT&T's senior VP for global marketing. "I don't even have words for that". AT&T plans to expand the "It Can Wait" campaign in order to add more focus on the topic of texting while driving by including other driving distractions that result from using the smartphones. "When we launched 'It Can Wait' five years ago, we pleaded with people to realize that no text is worth a life", said Lee. "The same applies to other smartphone activities that people are doing while driving. For the sake of you and those around you, please keep your eyes on the road, not on your phone". AT&T will also launch a nationwide virtual reality tour in summer in order to spread the word that driving and using a smartphone don't and will never mix.
Adapted from <http://www.techtimes.com/>
The word “they", in boldface and italics, last paragraph, refers to:
Q588402
Inglês
Texto associado
INSTRUÇÃO: A questão refere-se ao texto abaixo.
Victoria and Albert: how a royal love changed culture
By Lucinda Hawksley
Disponível em: <http://www.bbc.com/culture/story/20150623-victoria-albert-cultural-impact>.
Acesso em: 3 ago. 15. (Parcial e adaptado.)
Com base no texto, analise as proposições a seguir, quanto à sua veracidade (V) ou falsidade (F). O pronome.
( ) his (linha 28) refere-se a Albert (linha 27).
( ) they (linha 31) refere-se a artists (linha 30).
( ) whose (linha 35) refere-se a The queen (linha 34).
Assinale a alternativa que preenche correta e respectivamente os parênteses, de cima para baixo.
( ) his (linha 28) refere-se a Albert (linha 27).
( ) they (linha 31) refere-se a artists (linha 30).
( ) whose (linha 35) refere-se a The queen (linha 34).
Assinale a alternativa que preenche correta e respectivamente os parênteses, de cima para baixo.
Ano: 2015
Banca:
FGV
Órgão:
FGV
Provas:
FGV - 2015 - FGV - Vestibular - Administração, Ciências Sociais, Direito e História
|
FGV - 2015 - FGV - Vestibular - Ciências Econômicas e Matemática Aplicada |
Q583436
Inglês
In paragraph 5, “it” in the sentence “A few saw it
differently” most likely refers to which of the following?
Q582504
Inglês
Texto associado
What Your Tweets Say About You
By Maria Konnikov
How much can your tweets reveal about you? A lot! - would be the answer of psychologists James Pennebaker e Cindy Chung, at the University of Texas, who study how language relates to well-being and personality. One of Pennebaker’s most famous projects is a computer program called Linguistic Inquiry and Word Count (L.I.W.C.), which looks at the words we use, and in what frequency and context, and uses this information to study our psychological states and various aspects of our personality.
Since the creation of the L.I.W.C., in 1993, studies utilizing the program have suggested a close connection between our language, our state of mind, and our behavior. They have shown, for instance, that a person’s word choices can reveal her place in a social or professional hierarchy; and that the use of different filler words (“I mean”; “You know”) can suggest whether a speaker is male or female, younger or older, and more or less conscientious. “The words we use in natural language reflect our thoughts and feelings in often unpredictable ways,” Pennebaker and Cindy Chung have written.
The psychologist Johannes Eichstaedt and his colleagues analyzed eight hundred and twenty-six million tweets across fourteen hundred American counties(1). Then, using lists of words that can be reliably associated with positive and negative emotions, they gave each county an emotional profile. Finally, they asked a simple question: Could those profiles help determine which counties were likely to have more deaths from heart disease?
The answer was yes. Counties where residents’ tweets included words related to hostility, aggression, hate, and, fatigue — words such as “jealous,” and “bored”— had significantly higher rates of heart-related deaths. On the other hand, where people’s tweets reflected more positive emotions and engagement, heart disease was less common. The tweet-based model even had more predictive power than other models based on traditional demographic, socioeconomic, and health-risk factors.
(1) Um condado (county/counties) ou província é um aglomerado de cidades, não tão grande quanto um estado.
From: http://www.newyorker.com/science/maria-konnikova/can-tweets-predict-heart-disease
GLOSSARY: conscientious: consciencioso/cuidadoso; reliably: seguramente; profile: perfil; heart disease: doença do coração; hate: ódio; jealous: com ciúmes; bored: entediado; higher rates: taxas mais altas; engagement: comprometimento; predictive: previsível.
Leia o texto e responda à questão.
No terceiro parágrafo, o pronome “they" se refere:
Ano: 2014
Banca:
IF-BA
Órgão:
IF-BA
Prova:
IF-BA - 2014 - IF-BA - Curso Técnico - MODALIDADE SUBSEQUENTE - INGLÊS |
Q1370417
Inglês
Observe the excerpt from Text 01 that follows.
Mark the correct alternative about the use of
“where”.
Excerpt 02: “One death was reported in São Paulo state, where a young man was run over by a SUV at an intersection during a demonstration, state police said.”
Excerpt 02: “One death was reported in São Paulo state, where a young man was run over by a SUV at an intersection during a demonstration, state police said.”
Q582683
Inglês
Texto associado
Are social networking sites addictive?
1With the increasing popularity of wireless devices like smartphones — devices that can move lots of data very quickly — users have access to their social networks 24 hours a day. Most social networking sites have developed applications for your mobile phone, so logging on is always convenient. Social networks also tap into our human desire to stay connected with others. Besides, the rush of nostalgia as you connect with your former grade-school classmate on Facebook can be quite heady and exciting.
2But what's the main reason we find these sites so addictive? Plain old narcissism. We broadcast our personalities online whenever we publish a thought, photo, YouTube video or answer one of those “25 Things About Me" memes. We put that information out there so people will respond and connect to us. And being part of a social network is sort of like having your own entourage that follows you everywhere, commenting on and applauding everything you do. It's very seductive.
3In 2008, researchers at the University of Georgia studied the correlation between narcissism and Facebook users. Unsurprisingly, they found that the more “friends" and wall posts a user had, the more narcissistic he or she was. They noted that narcissistic people use Facebook in a selfpromoting way, rather than in a connective way. It may be an obvious theory, but it also suggests that social networks bring out the narcissist in all of us.
4Social networks are also a voyeuristic experience for many users. Following exchanges on Twitter or posts on Facebook and MySpace are akin to eavesdropping on someone else's conversation. It's entertaining and allows you to feel like a “fly on the wall" in someone else's life.
5Social networking sites also publicly list your “friends" or “followers" — giving you instant status. How many people do you know online who spend all their time trying to get more friends, more followers, more testimonials? We work hard in real life to elevate our statuses, make friends and search out boosters for our self-esteem. Online social networking provides this to us, and we don't even have to change out of our sweatshirts to get it.
(adapted from http://computer.howstuffworks.com/internet/socialnetworking/information/social-networking-sites-addictive2.htm)
Glossary
addictive: viciante; tap into: explorar/tirar proveito; broadcast: anunciar; entourage: comitiva/séquito; akin to eavesdropping: parecido com bisbilhotar; booster: aquilo que impulsiona; sweatshirts: camisetas
1With the increasing popularity of wireless devices like smartphones — devices that can move lots of data very quickly — users have access to their social networks 24 hours a day. Most social networking sites have developed applications for your mobile phone, so logging on is always convenient. Social networks also tap into our human desire to stay connected with others. Besides, the rush of nostalgia as you connect with your former grade-school classmate on Facebook can be quite heady and exciting.
2But what's the main reason we find these sites so addictive? Plain old narcissism. We broadcast our personalities online whenever we publish a thought, photo, YouTube video or answer one of those “25 Things About Me" memes. We put that information out there so people will respond and connect to us. And being part of a social network is sort of like having your own entourage that follows you everywhere, commenting on and applauding everything you do. It's very seductive.
3In 2008, researchers at the University of Georgia studied the correlation between narcissism and Facebook users. Unsurprisingly, they found that the more “friends" and wall posts a user had, the more narcissistic he or she was. They noted that narcissistic people use Facebook in a selfpromoting way, rather than in a connective way. It may be an obvious theory, but it also suggests that social networks bring out the narcissist in all of us.
4Social networks are also a voyeuristic experience for many users. Following exchanges on Twitter or posts on Facebook and MySpace are akin to eavesdropping on someone else's conversation. It's entertaining and allows you to feel like a “fly on the wall" in someone else's life.
5Social networking sites also publicly list your “friends" or “followers" — giving you instant status. How many people do you know online who spend all their time trying to get more friends, more followers, more testimonials? We work hard in real life to elevate our statuses, make friends and search out boosters for our self-esteem. Online social networking provides this to us, and we don't even have to change out of our sweatshirts to get it.
(adapted from http://computer.howstuffworks.com/internet/socialnetworking/information/social-networking-sites-addictive2.htm)
Glossary
addictive: viciante; tap into: explorar/tirar proveito; broadcast: anunciar; entourage: comitiva/séquito; akin to eavesdropping: parecido com bisbilhotar; booster: aquilo que impulsiona; sweatshirts: camisetas
The pronoun 'they' in “They noted that narcissistic
people use Facebook in a self-promoting way, rather than
in a connective way"(paragraph 3) refers to
Q582604
Inglês
Texto associado
Alice Munro’s road to Nobel literature prize was not easy
Nobel literature prize winner Alice Munro.
Alice Munro has been awarded the 2013 Nobel Prize in literature, thus becoming its 13th female recipient. It’s a thrilling honour for a major writer: Munro has long been recognised in North America and the UK, but the Nobel will draw international attention, not only to women’s writing and Canadian writing, but to the short story, Munro’s chosen literary genre and one often neglected.
The road to the Nobel wasn’t an easy one for Munro. She found herself referred to as “some housewife”, and was told that her subject matter, being too “domestic”, was boring. A male writer told her she wrote good stories, but he wouldn’t want to sleep with her. “Nobody invited him,” said Munro. Maybe as a consequence of this initial reaction towards her, when writers occur in Munro stories, they are pretentious, or exploitative of others; or they’re being asked by their relatives why they aren’t famous, or – worse, if female – why they aren’t better-looking.
The chances that a literary star would emerge from her time and place would once have been zero. Munro was born in 1931, and thus experienced the Depression as a child and the Second World War as a teenager. This was in south-western Ontario, Canada, a region that also produced equally talented writers and poets such as Robertson Davies, Graeme Gibson, James Reaney, and Marian Engel. It’s this small-town setting that features most often in her stories – the snobberies, the eccentrics, and the jeering at ambitions, especially artistic ones.
Shame is a common driving force for Munro’s characters just as perfectionism in the writing and courage in her profession have been driving forces for her.
As in much else, Munro is essentially Canadian. Faced with the Nobel, she will be modest, she won’t get a swelled head. The rest of us, on this magnificent occasion, will just have to do that for her.
Adapted from http://www.theguardian.com/books/2013/oct/10/alicemunro-wins-nobel-prize-in-literature
Glossary
thrilling: emocionante; subject matter: assunto; better-looking: mais
bonitas; setting: cenário; jeering: deboche; shame: vergonha; driving
force: força propulsora; get a swelled head: ficar convencida, cheia
de si
Answer the following questions:
In the third paragraph, in the sentence “This was in south-western Ontario", the pronoun “this" refers to
In the third paragraph, in the sentence “This was in south-western Ontario", the pronoun “this" refers to
Q545821
Inglês
This sums up autofiction. (l. 31)
The underlined pronoun refers to:
Ano: 2014
Banca:
PUC - RJ
Órgão:
PUC - RJ
Prova:
PUC - RJ - 2014 - PUC - RJ - Vestibular - 1° Dia - Prova Tarde grupos 1, 3 e 4 |
Q538127
Inglês
The demonstrative “those” (line 64), in the fragment “from
those that are involved in reading your Twitter feed or
thumbing through a paperback romance novel”, makes
reference to
Ano: 2014
Banca:
UniCEUB
Órgão:
UniCEUB
Prova:
UniCEUB - 2014 - UniCEUB - Vestibular - 1º Vestibular |
Q515704
Inglês
A clever ad for ................... new breakfast options, an aim to hit at McDonald’s domination of the market, includes a bunch of people who share the same name as Ronald McDonald but proclaim ................... love for Taco Bell’s new morning offerings.
TIME
TIME
Ano: 2014
Banca:
UniCEUB
Órgão:
UniCEUB
Prova:
UniCEUB - 2014 - UniCEUB - Vestibular - 1º Vestibular |
Q515703
Inglês
A new report shows the brains of autistic children, ................... suffer from the disorder tied to a combination of contributing factors ................... genes to the environment, have differences in regions that develop during the mother’s second trimester of pregnancy.
TIME
TIME
Ano: 2014
Banca:
PUC - RS
Órgão:
PUC - RS
Prova:
PUC - RS - 2014 - PUC - RS - Vestibular - Prova 2 |
Q421058
Inglês
Fill in the gaps with the suitable pronouns
Q1362682
Inglês
Texto associado
Billboard Campaign
(Disponível em <http://lynnfire.org/web/index.php?option=com_ content&task=view&id=102&Itemid=112>. Acesso em 22/05/2013.)
Em relação aos aspectos linguísticos do texto, é correto afirmar que
“your” (lines 2 and 3) are possessive pronouns also called “possessive determiners”.
“your” (lines 2 and 3) are possessive pronouns also called “possessive determiners”.
Q1264747
Inglês
Texto associado
Considere o texto a seguir para responder
a questão.
Tooth fairy quantum mechanics
The reason I can’t show you a Higgs boson1
is also
the solution to a parental dilemma.
Posted by Jon Butterworth
Sunday 23 December 2012 18.36 GMT, theguardian.com
I do sometimes get asked “If you’ve found a Higgs boson,
can you show me a picture of it?” Unfortunately, the answer
is no. But the reason for this provides a resolution to a severe
parental dilemma, and explains why I am in fact sometimes
the tooth fairy. Bear with me.
I can’t show you something which is definitely the new
boson, but I can show evidence for it, for example in the
picture below. It shows the distribution (black dots) of the
mass you get when you combine the energy and momenta2
of pairs of photons (particles of light) in the ATLAS detector.
The bump shows that there are more of these photon pairs
at masses corresponding to around 125 GeV than would be
expected from the trend. This excess implies the existence
of a particle at about this mass which decays to pairs of
photons.
The bump3
in this plot would not be there unless there
were a new boson (credit, ATLAS experiment and CERN). The
key is that even if I show you a collision event with a pair
of photons which exactly gives the “Higgs mass”, i.e. at the
top of that peak, it is still not possible to be sure that this
exact pair of photons came from a Higgs boson. There may
be several possible ways of producing a set of new particles
from the incoming ones; but if the resulting set is identical,
it is not physically meaningful to say which way occurred.
Now, to the parental dilemma. It is especially acute at this
time of year, but if you have children who are losing their
milk teeth, it is ever-present. Is the tooth fairy real? What
about Father Christmas? Do you spoil the fun or do you lie?
Something in me hates the idea of lying to my kids, and
undermining4
trust. Here’s my way out. Anything which has
the same initial state (tooth) and final state (money) might in
fact be an event in which a tooth fairy was present. To put it
another way, anything which removes the tooth and delivers
money shares such an essential property with a tooth fairy
that it can be said to be one (anything removing both teeth
and money is probably a dentist. Or possibly a mugger5
).
By now, my son doesn’t believe a word of it of course.
But in the early days it was the truth. We managed this
transition without lies, betrayal and tears because actually,
when tiptoeing into the bedroom with a shiny pound coin, I
really am the tooth fairy. I am of course also at the same time
Dad. This seemed to work, and now he’s older, it’s still fun.
It’s not much of stretch to extend this to Father Christmas,
and it also explains why sometimes Father Christmas uses
the same wrapping paper as your parents - he and they are,
in a sense, indistinguishable quantum possibilities for the
delivery process.
(theguardian.com/science/life-and-physics/2012/dec/23/tooth-fairy-quantum-mechanics Acesso em: 26.08.2013. Adaptado)
Glossário
1Higgs boson: partícula subatômica teórica que ficou conhecida
publicamente após ter sido divulgada como a “partícula de Deus”.
Sua existência é associada a pesquisas acerca da origem do universo.
(topics.nytimes.com/top/reference/timestopics/subjects/h/higgs_boson/index.html
Acesso em 02.10.2013. Adaptado)
2momenta: plural de momentum – conceito físico associado à
quantidade de movimento de uma partícula.
3bump: choque ou elevação.
4undermine: tornar algo gradativamente mais fraco, especialmente
a confiança ou autoridade de alguém.
5mugger: assaltante.
Os pronomes he e they presentes no último parágrafo
do texto – he and they are, in a sense, indistinguishable
quantum possibilities for the delivery process – substituem,
respectivamente, os termos
Q1264746
Inglês
Texto associado
Considere o texto a seguir para responder
a questão.
Tooth fairy quantum mechanics
The reason I can’t show you a Higgs boson1
is also
the solution to a parental dilemma.
Posted by Jon Butterworth
Sunday 23 December 2012 18.36 GMT, theguardian.com
I do sometimes get asked “If you’ve found a Higgs boson,
can you show me a picture of it?” Unfortunately, the answer
is no. But the reason for this provides a resolution to a severe
parental dilemma, and explains why I am in fact sometimes
the tooth fairy. Bear with me.
I can’t show you something which is definitely the new
boson, but I can show evidence for it, for example in the
picture below. It shows the distribution (black dots) of the
mass you get when you combine the energy and momenta2
of pairs of photons (particles of light) in the ATLAS detector.
The bump shows that there are more of these photon pairs
at masses corresponding to around 125 GeV than would be
expected from the trend. This excess implies the existence
of a particle at about this mass which decays to pairs of
photons.
The bump3
in this plot would not be there unless there
were a new boson (credit, ATLAS experiment and CERN). The
key is that even if I show you a collision event with a pair
of photons which exactly gives the “Higgs mass”, i.e. at the
top of that peak, it is still not possible to be sure that this
exact pair of photons came from a Higgs boson. There may
be several possible ways of producing a set of new particles
from the incoming ones; but if the resulting set is identical,
it is not physically meaningful to say which way occurred.
Now, to the parental dilemma. It is especially acute at this
time of year, but if you have children who are losing their
milk teeth, it is ever-present. Is the tooth fairy real? What
about Father Christmas? Do you spoil the fun or do you lie?
Something in me hates the idea of lying to my kids, and
undermining4
trust. Here’s my way out. Anything which has
the same initial state (tooth) and final state (money) might in
fact be an event in which a tooth fairy was present. To put it
another way, anything which removes the tooth and delivers
money shares such an essential property with a tooth fairy
that it can be said to be one (anything removing both teeth
and money is probably a dentist. Or possibly a mugger5
).
By now, my son doesn’t believe a word of it of course.
But in the early days it was the truth. We managed this
transition without lies, betrayal and tears because actually,
when tiptoeing into the bedroom with a shiny pound coin, I
really am the tooth fairy. I am of course also at the same time
Dad. This seemed to work, and now he’s older, it’s still fun.
It’s not much of stretch to extend this to Father Christmas,
and it also explains why sometimes Father Christmas uses
the same wrapping paper as your parents - he and they are,
in a sense, indistinguishable quantum possibilities for the
delivery process.
(theguardian.com/science/life-and-physics/2012/dec/23/tooth-fairy-quantum-mechanics Acesso em: 26.08.2013. Adaptado)
Glossário
1Higgs boson: partícula subatômica teórica que ficou conhecida
publicamente após ter sido divulgada como a “partícula de Deus”.
Sua existência é associada a pesquisas acerca da origem do universo.
(topics.nytimes.com/top/reference/timestopics/subjects/h/higgs_boson/index.html
Acesso em 02.10.2013. Adaptado)
2momenta: plural de momentum – conceito físico associado à
quantidade de movimento de uma partícula.
3bump: choque ou elevação.
4undermine: tornar algo gradativamente mais fraco, especialmente
a confiança ou autoridade de alguém.
5mugger: assaltante.
No segundo parágrafo do texto, o pronome relativo which
em – I can’t show you something which is definitely the new
boson – pode ser substituído, mantendo-se a sentença
gramaticalmente correta, por
Ano: 2013
Banca:
PUC-MINAS
Órgão:
PUC-MINAS
Prova:
PUC-MINAS - 2013 - PUC-MINAS - Prova - Medicina |
Q1263484
Inglês
Texto associado
Why the Internet is so addictive
"Checking Facebook should only take a minute." Those are the famous last words of countless people every
day, right before getting sucked into several hours of watching cat videos or commenting on Instagrammed sushi
lunches. That behavior is natural, given how the Internet is structured, experts say. The Internet’s omnipresence
and lack of limits encourage people to lose track of time, making it hard to exercise the self-control to turn it off.
"The Internet is not addictive in the same way as pharmacological substances are," said Tom Stafford, a
cognitive scientist at the University of Sheffield in the U.K. "But it's compulsive; it's compelling; it's distracting."
Humans are social creatures. Therefore, people enjoy the social information available via email and the Web.
The main reason the Internet is so addictive is that it lacks boundaries between tasks, Stafford said.
Someone may set out to "research something, and then accidentally go to Wikipedia, and then wind up trying to
find out what ever happened to Depeche Mode," Stafford said, referring to the music band. Studies suggest
willpower is like a muscle: It can be strengthened, but can also become exhausted. Because the Internet is always
"on," staying on task requires constantly flexing that willpower muscle, which can exhaust a person's self-control.
For those who want to loosen the grip of the Web on their lives, a few simple techniques may do the trick.
Web-blocking tools that limit surfing time can help people regain control over their time. Another method is to plan
ahead, committing to work for 20 minutes, or until a certain task is complete, and then allowing five minutes of Web
surfing, Stafford said.
(Adapted from: http://www.mnn.com/green-tech/computers/stories/why-the-internet-is-so-addictive)
The word It in “It can be strengthened” (paragraph 3) refers to
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