Matemática
Função de 2º Grau ou Função Quadrática e InequaçõesUFAC · 2011MédioEntre para guardar nos favoritos Dois números x e y que satisfazem a
equação 
são:
Questões do ENEM 2011
Questões aplicadas na prova de 2011, cada uma em página própria com enunciado, alternativas e gabarito.
Resultados
3.653 questões encontradas. Mostrando a página 18 de 183.
B236BC91-E8 B2199D77-E8 Geografia
GeologiaUFAC · 2011FácilEntre para guardar nos favoritosA figura abaixo apresenta uma visão parcial da Ilha de Fernando de Noronha, pertencente ao Estado de Pernambuco.
Sobre o processo de formação da Ilha de Fernando de Noronha, podemos afirmar que:
B2165890-E8 Geografia
ClimaUFAC · 2011DifícilEntre para guardar nos favoritosObserve a imagem abaixo:
B21306BA-E8 Atualidades
Guerras, Conflitos e Terrorismo na AtualidadeUFAC · 2011MédioEntre para guardar nos favoritosO terrorismo é uma forma violenta de protesto conhecida desde a Antigüidade, sendo uma tentativa de desestabilização de algum regime.
A imagem acima se refere ao atentado terrorista de 11 de setembro de 2001 em Nova York. Este tipo de atentado trata-se:
B2101330-E8 Atualidades
Sociedade e ComportamentoUFAC · 2011DifícilEntre para guardar nos favoritosEle já foi um dos países mais prósperos da região, possui solos férteis, clima favorável e excelente posição geográfica para o comércio mundial. O Líbano é um pequeno país, em geral montanhoso, com 10.452 km² e aproximadamente 4 milhões de habitantes. Em relação ao Líbano, não podemos afirmar:B203A0DB-E8 Geografia
ClimaUFAC · 2011MédioEntre para guardar nos favoritosCom base na figura, aponte a alternativa correta:
B2005FC1-E8 Geografia
Geografia FísicaUFAC · 2011MédioEntre para guardar nos favoritosCada rio tem suas próprias características, que podem variar bastante ao longo de seu curso. A figura abaixo, apresenta os quatro tipos fundamentais de canal fluvial:
RICCOMINI, C. et al. Rios e processos aluviais. In: TEIXEIRA, W. et al (orgs). Decifrando a terra. São Paulo: Oficina de textos, 2000, p.197. (adaptado).Em relação aos canais apresentados na figura, é correto afirmar:
B1F64EA4-E8 Inglês
Aspectos linguísticos | Linguistic aspectsUFAC · 2011MédioEntre para guardar nos favoritos
“Wanna” in the second square is used in informal language, during conversation. It is the short form of:B1F34774-E8 Inglês
Interpretação de texto | Reading comprehensionUFAC · 2011MédioEntre para guardar nos favoritos
On the first square, the expression “getting on my nerves”, means:B1F0600E-E8 Inglês
Interpretação de texto | Reading comprehensionUFAC · 2011DifícilEntre para guardar nos favoritosTEXT IIStarting a new jobby Rose Walker“You just got the phone call and the position is yours. It’s been a long time since you have started a new job and you need to prepare yourself for it. Will you really like your new position? How will the people treat you and can you get along with them? These are some of the questions that might run through your mind when you start a new job.Before you start your new position you need to get in the right frame of mind, so you can do the best job you can do.The first step in preparation for this new journey is to let all your fears go. Don’t walk into a new job with fear. This will keep you from being productive. Having negative thoughts about your new job will become a reality and this will cause problems right there. Stay in the same frame of mind you had when you applied for the position. This was something that you obviously wanted to do and was excited about doing. Keep those same thoughts and attitude when you actually start working your new job. By keeping that attitude you will eliminate a lot of your problems in the beginning with this new position. Your way of thinking will become your way of acting. Do a thorough research on your new company so you can understand what they do and how you will play a part in it.Have a good understanding about the company in full detail so it will give you that ease you need to have for you to succeed. This will allow you to have the confidence you will need to start this new job and you won’t feel so lost when you start interacting with your co-workers. Having the right attitude will allow you to get along with your co-workers even better. Everyone when they start a new job is considered the new kid on the block. This can make you feel left out right there, since everyone usually know everyone else and already have a comfort zone with each other. You have to let them know by being in the right frame of mind when you start that you can work with each and every one of them. If you come in with that fear, it’s going to seem like you are a unfriendly person and automatically no one will want to have anything to do with you. This will be a bad way to start off on your new job. You plan to be there for awhile and communicating with your co-workers on a daily base.Your attitude and the way you present yourself in the beginning is very important. It will determine how your relationship will be throughout the job. Getting along with your boss and coworkers is important, it can help you to succeed or be one of the causes to make you want to leave.Starting a new job can be a wonderful experience. Sure all of us are nervous about stepping into a new environment and meeting and dealing with new people. That’s what’s so exciting about it, everything is new. You have to look at it as a new journey in your life and not a dreaded trip that you have to make. Erase all those negative thoughts and fears you have so you can go in with a positive attitude that will let you be a positive person. Let this be a new spectacular and fantastic time in your life. When you stop and prepare yourself mentally for your new job, you will be a success at it.”http://www.essortment.com/all/startinganew_rbph.htm
The text Starting a new job is about:B1ED634A-E8 Inglês
Interpretação de texto | Reading comprehensionUFAC · 2011FácilEntre para guardar nos favoritosTEXT IIStarting a new jobby Rose Walker“You just got the phone call and the position is yours. It’s been a long time since you have started a new job and you need to prepare yourself for it. Will you really like your new position? How will the people treat you and can you get along with them? These are some of the questions that might run through your mind when you start a new job.Before you start your new position you need to get in the right frame of mind, so you can do the best job you can do.The first step in preparation for this new journey is to let all your fears go. Don’t walk into a new job with fear. This will keep you from being productive. Having negative thoughts about your new job will become a reality and this will cause problems right there. Stay in the same frame of mind you had when you applied for the position. This was something that you obviously wanted to do and was excited about doing. Keep those same thoughts and attitude when you actually start working your new job. By keeping that attitude you will eliminate a lot of your problems in the beginning with this new position. Your way of thinking will become your way of acting. Do a thorough research on your new company so you can understand what they do and how you will play a part in it.Have a good understanding about the company in full detail so it will give you that ease you need to have for you to succeed. This will allow you to have the confidence you will need to start this new job and you won’t feel so lost when you start interacting with your co-workers. Having the right attitude will allow you to get along with your co-workers even better. Everyone when they start a new job is considered the new kid on the block. This can make you feel left out right there, since everyone usually know everyone else and already have a comfort zone with each other. You have to let them know by being in the right frame of mind when you start that you can work with each and every one of them. If you come in with that fear, it’s going to seem like you are a unfriendly person and automatically no one will want to have anything to do with you. This will be a bad way to start off on your new job. You plan to be there for awhile and communicating with your co-workers on a daily base.Your attitude and the way you present yourself in the beginning is very important. It will determine how your relationship will be throughout the job. Getting along with your boss and coworkers is important, it can help you to succeed or be one of the causes to make you want to leave.Starting a new job can be a wonderful experience. Sure all of us are nervous about stepping into a new environment and meeting and dealing with new people. That’s what’s so exciting about it, everything is new. You have to look at it as a new journey in your life and not a dreaded trip that you have to make. Erase all those negative thoughts and fears you have so you can go in with a positive attitude that will let you be a positive person. Let this be a new spectacular and fantastic time in your life. When you stop and prepare yourself mentally for your new job, you will be a success at it.”http://www.essortment.com/all/startinganew_rbph.htm
Read the sentences below and judge them (T) TRUE or (F) FALSE:I. It’s not important to have a good understanding about the new company.II. Your way of thinking will become your way of acting.III. The first step in preparation for a new job is to let your fears go.B1E3C198-E8 Inglês
Interpretação de texto | Reading comprehensionUFAC · 2011DifícilEntre para guardar nos favoritosTEXT IGoogle Instant promises live search results
by Maggie ShielsTechnology reporter,BBC News, Silicon Valley“Google has speeded up its internet search engine by launching a product called Instant that displays results as soon as users type in queries.The service predicts a user's query and modifies the displayed results as more letters are typed into the search box.The company described it as ‘search at the speed of thought’.Previously Google's suggested search terms and did not reveal results until the ‘enter’ key was hit or the ‘search’ button was clicked.Google Instant goes live in the next week and on mobile devices by autumn.The service will initially be rolled out in the US, UK, Spain, Germany, France and Russia.Challenge to Microsoft?In a demo event held at San Francisco's Museum of Modern Art, Marissa Mayer, Google's vice-president of search products and user experience, typed in ‘sfm’ into the search box to demonstrate the new service.As she typed, results appeared instantly for ‘SF MOMA’ - the first predicted search result. In another demo, when the letter ‘w’ was entered, a list of links offering the ‘weather’ appeared along with images showing the temperature.‘We've actually predicting what query you are likely to do and we're giving you results for that,’ said Ms Mayer.Google estimates that the typical user spends nine seconds entering a query and 15 seconds looking for answers.The company says Google Instant could shave between two and five seconds off a typical web search.‘Google is betting all they have that speed is everything,’ Harry McCracken of technology blog Technologizer.com told the BBC.‘Saving one or two seconds isn't that big of a deal. One of my instant thoughts is that I am going to see results I don't want because until I type enough that it knows what I want, it is going to show me links I am not interested in.’Technology commentator Robert Scoble said that the new feature would present a real challenge to Microsoft search engine Bing, which has been slowly chipping away at Google's lead in the search market.‘Playing with it, it dramatically changes the way I do searches. I think it is a pretty major leap forward but this means that Bing becomes far less interesting and they now have to step up,’ said Mr. Scoble.Microsoft currently commands around 11% of the US search market compared to Google's 66%, according to research firm Comscore.Bing has gradually increased its market share since launch, although its growth has recently slowed.”http://www.bbc.co.uk/newstechnology-11239037.
In the sentence, “I think it is a pretty major leap forward but this means that Bing becomes far less interesting and they now have to step up”, the verb “to step up” would best be replaced by:B1DEB9AC-E8 Inglês
Interpretação de texto | Reading comprehensionUFAC · 2011MédioEntre para guardar nos favoritosTEXT IGoogle Instant promises live search results
by Maggie ShielsTechnology reporter,BBC News, Silicon Valley“Google has speeded up its internet search engine by launching a product called Instant that displays results as soon as users type in queries.The service predicts a user's query and modifies the displayed results as more letters are typed into the search box.The company described it as ‘search at the speed of thought’.Previously Google's suggested search terms and did not reveal results until the ‘enter’ key was hit or the ‘search’ button was clicked.Google Instant goes live in the next week and on mobile devices by autumn.The service will initially be rolled out in the US, UK, Spain, Germany, France and Russia.Challenge to Microsoft?In a demo event held at San Francisco's Museum of Modern Art, Marissa Mayer, Google's vice-president of search products and user experience, typed in ‘sfm’ into the search box to demonstrate the new service.As she typed, results appeared instantly for ‘SF MOMA’ - the first predicted search result. In another demo, when the letter ‘w’ was entered, a list of links offering the ‘weather’ appeared along with images showing the temperature.‘We've actually predicting what query you are likely to do and we're giving you results for that,’ said Ms Mayer.Google estimates that the typical user spends nine seconds entering a query and 15 seconds looking for answers.The company says Google Instant could shave between two and five seconds off a typical web search.‘Google is betting all they have that speed is everything,’ Harry McCracken of technology blog Technologizer.com told the BBC.‘Saving one or two seconds isn't that big of a deal. One of my instant thoughts is that I am going to see results I don't want because until I type enough that it knows what I want, it is going to show me links I am not interested in.’Technology commentator Robert Scoble said that the new feature would present a real challenge to Microsoft search engine Bing, which has been slowly chipping away at Google's lead in the search market.‘Playing with it, it dramatically changes the way I do searches. I think it is a pretty major leap forward but this means that Bing becomes far less interesting and they now have to step up,’ said Mr. Scoble.Microsoft currently commands around 11% of the US search market compared to Google's 66%, according to research firm Comscore.Bing has gradually increased its market share since launch, although its growth has recently slowed.”http://www.bbc.co.uk/newstechnology-11239037.
Choose the alternative that best completes the sentence:According to Google, it takes _________ seconds for a typical user to do a web search.B1DBB1DA-E8 Inglês
Interpretação de texto | Reading comprehensionUFAC · 2011MédioEntre para guardar nos favoritosTEXT IGoogle Instant promises live search results
by Maggie ShielsTechnology reporter,BBC News, Silicon Valley“Google has speeded up its internet search engine by launching a product called Instant that displays results as soon as users type in queries.The service predicts a user's query and modifies the displayed results as more letters are typed into the search box.The company described it as ‘search at the speed of thought’.Previously Google's suggested search terms and did not reveal results until the ‘enter’ key was hit or the ‘search’ button was clicked.Google Instant goes live in the next week and on mobile devices by autumn.The service will initially be rolled out in the US, UK, Spain, Germany, France and Russia.Challenge to Microsoft?In a demo event held at San Francisco's Museum of Modern Art, Marissa Mayer, Google's vice-president of search products and user experience, typed in ‘sfm’ into the search box to demonstrate the new service.As she typed, results appeared instantly for ‘SF MOMA’ - the first predicted search result. In another demo, when the letter ‘w’ was entered, a list of links offering the ‘weather’ appeared along with images showing the temperature.‘We've actually predicting what query you are likely to do and we're giving you results for that,’ said Ms Mayer.Google estimates that the typical user spends nine seconds entering a query and 15 seconds looking for answers.The company says Google Instant could shave between two and five seconds off a typical web search.‘Google is betting all they have that speed is everything,’ Harry McCracken of technology blog Technologizer.com told the BBC.‘Saving one or two seconds isn't that big of a deal. One of my instant thoughts is that I am going to see results I don't want because until I type enough that it knows what I want, it is going to show me links I am not interested in.’Technology commentator Robert Scoble said that the new feature would present a real challenge to Microsoft search engine Bing, which has been slowly chipping away at Google's lead in the search market.‘Playing with it, it dramatically changes the way I do searches. I think it is a pretty major leap forward but this means that Bing becomes far less interesting and they now have to step up,’ said Mr. Scoble.Microsoft currently commands around 11% of the US search market compared to Google's 66%, according to research firm Comscore.Bing has gradually increased its market share since launch, although its growth has recently slowed.”http://www.bbc.co.uk/newstechnology-11239037.
By saying “We’ve actually been predicting what query you are likely to do and we’re giving you results for that”, Google’s vice-president means:B1D8C9D8-E8 Inglês
Interpretação de texto | Reading comprehensionUFAC · 2011MédioEntre para guardar nos favoritosTEXT IGoogle Instant promises live search results
by Maggie ShielsTechnology reporter,BBC News, Silicon Valley“Google has speeded up its internet search engine by launching a product called Instant that displays results as soon as users type in queries.The service predicts a user's query and modifies the displayed results as more letters are typed into the search box.The company described it as ‘search at the speed of thought’.Previously Google's suggested search terms and did not reveal results until the ‘enter’ key was hit or the ‘search’ button was clicked.Google Instant goes live in the next week and on mobile devices by autumn.The service will initially be rolled out in the US, UK, Spain, Germany, France and Russia.Challenge to Microsoft?In a demo event held at San Francisco's Museum of Modern Art, Marissa Mayer, Google's vice-president of search products and user experience, typed in ‘sfm’ into the search box to demonstrate the new service.As she typed, results appeared instantly for ‘SF MOMA’ - the first predicted search result. In another demo, when the letter ‘w’ was entered, a list of links offering the ‘weather’ appeared along with images showing the temperature.‘We've actually predicting what query you are likely to do and we're giving you results for that,’ said Ms Mayer.Google estimates that the typical user spends nine seconds entering a query and 15 seconds looking for answers.The company says Google Instant could shave between two and five seconds off a typical web search.‘Google is betting all they have that speed is everything,’ Harry McCracken of technology blog Technologizer.com told the BBC.‘Saving one or two seconds isn't that big of a deal. One of my instant thoughts is that I am going to see results I don't want because until I type enough that it knows what I want, it is going to show me links I am not interested in.’Technology commentator Robert Scoble said that the new feature would present a real challenge to Microsoft search engine Bing, which has been slowly chipping away at Google's lead in the search market.‘Playing with it, it dramatically changes the way I do searches. I think it is a pretty major leap forward but this means that Bing becomes far less interesting and they now have to step up,’ said Mr. Scoble.Microsoft currently commands around 11% of the US search market compared to Google's 66%, according to research firm Comscore.Bing has gradually increased its market share since launch, although its growth has recently slowed.”http://www.bbc.co.uk/newstechnology-11239037.
Read the sentences below and judge them (T) TRUE or (F) FALSE:I. Google Instant makes the queries faster.II. With Google Instant query results will be revealed before the enter button is hit.III. Search terms will not be suggested anymore.IV. Mobile users will not have access until autumn.V. Initially the service will not be available for the British people.B1C9F4B8-E8 Biologia
Identidade dos seres vivosUFAC · 2011FácilEntre para guardar nos favoritosO coração é formado na sua maioria por músculo, sendo responsável pelo bombeamento do sangue no corpo. Sua atividade é realizada durante toda nossa vida. No gráfico abaixo, está demonstrado o fluxo de sangue na aorta ao longo do tempo.
Sobre o gráfico, é correto afirmar que:
B1BDB684-E8 Biologia
Hereditariedade e diversidade da vidaUFAC · 2011MédioEntre para guardar nos favoritosO raquitismo hipofosfatêmico é uma doença hereditária de caráter dominante ligada ao sexo. Ela acarreta um aumento da excreção do fosfato e alterações nos mecanismos de deposição mineral nos ossos. Suas principais conseqüências são deformidades ósseas, crescimento reduzido, formação anormal dos dentes e alterações metabólicas da vitamina D.A figura abaixo, mostra o heredograma de uma família afetada pelo raquitismo hipofosfatêmico.
Assinale a alternativa correta:
B1BA8D66-E8 Biologia
Embriologia humanaUFAC · 2011FácilEntre para guardar nos favoritosNa maior parte das fecundações em humanos, o encontro dos gametas masculino e feminino se dá no terço distal das tubas uterinas. Após ocorrer a fecundação, o zigoto percorre um longo caminho até alcançar o útero, local apropriado para o desenvolvimento gestacional. Ao processo de fixação do zigoto no endométrio dá-se o nome de:B1A5EE43-E8 Português
Interpretação de TextosUFAC · 2011MédioEntre para guardar nos favoritos“Enquanto especialistas mundiais se debatem sobre as formas de conter o aquecimento global, cientistas se reúnem no Egito em busca de respostas do passado faraônico que ajudem a enfrentar os problemas ambientais do presente [...][...] Há muito tempo, os efeitos das mudanças climáticas têm sido negligenciadas no país, que depende amplamente do fértil delta do Nilo para alimentar sua crescente população, em meio a preocupações sobre a erosão do solo.Na conferência de três dias, inaugurada no último domingo, especialistas esperam compreender como os antigos egípcios, que foram capazes de erguer as pirâmides, lidavam com as mudanças do clima [...][...] O IFAO uniu forças com o CNRS (Centro Nacional de Pesquisas francês) e o Conselho Supremo de Antiguidades do Egito em torno de um ‘brainstorming’ que ajudasse os especialistas a encontrarem soluções para o futuro.A meta das discussões é resgatar evidências arqueológicas e geológicas que possam explicar como os antigos sobreviveram às mudanças climáticas e quais lições podem ser tiradas daí. Especialistas do CNRS, Pierre Zignani e Matthieu Ghilardi acreditam que muito pode ser aprendido dos arquitetos que criaram templos milenares capazes de resistir aos ataques do tempo.‘Fortes chuvas provocadas pelas mudanças climáticas no último milênio e grandes inundações do rio Nilo foram consideradas pelos arquitetos ao construir as estruturas religiosas’, destacaram, em artigo conjunto.Pesquisar o passado ‘pode trazer informações sobre nosso conhecimento fundamental atual e novas informações críticas para a nossa comunidade.’ ”Disponível em: http://www1.folha. uol. com.br/ambiente /802363-geoarqueologia- busca-solucoes- para- questoesclimaticas-no-egito-faraonico. shtml.A partir da leitura do texto, podemos depreender que:
B1A2619A-E8 Português
Interpretação de TextosUFAC · 2011DifícilEntre para guardar nos favoritosEm um artigo da Redação do site UOL, lemos:“O Dia Mundial Sem Carro foi comemorado pela primeira vez em 1998, na França. Com o tempo, a mobilização se estendeu por países europeus e chegou a outros continentes. No Brasil, o evento ocorreu pela primeira vez em 2001.”Em entrevista ao UOL Ciência e Saúde, Lincoln Paiva (LP), coordenador no Brasil do Dia Mundial Sem Carro, afirma:“LP: O Dia Mundial Sem Carro é um dia para as pessoas pensarem em como elas poderiam contribuir com uma cidade mais sustentável sob o ponto de vista da mobilidade, não é um dia contra os automóveis. É possível planejar nossa mobilidade sem ter que depender do carro para tudo. Muitas pessoas utilizam o carro para fazer qualquer coisa, inclusive para realização de trajetos que poderiam ser feitos a pé. Outro fator é o status social: a maioria das pessoas tem o transporte público como coisa de pobre, o que não deveria ser uma verdade. O transporte coletivo serve para diminuir o trânsito da cidade; utilizado com inteligência, é possível melhorar a qualidade de vida das pessoas.”Disponível em: http://noticias.uol.com.br/ultnot/cienciaesaude/ ultimas-noticias/2010/09/22/para-ambi.UOL Ciência e Saúde pergunta: “Na sua opinião, a consciência para o problema e a busca por alternativas de mobilidade sustentável só vai ocorrer quando o uso do automóvel se tornar realmente inviável por causa do trânsito?LP: Não, sempre haverá paliativos, alguém que vai querer lucrar com o trânsito e inventar algo para as pessoas fazerem quando estiverem no congestionamento, como aprender uma língua etc. Temos uma noção errada sobre mobilidade, é preciso entender que essa mentalidade é ultrapassada e que o trânsito é uma questão de escolha pessoal.”Segundo o dicionário Aulete, sustentabilidade significa: “1. qualidade ou condição de sustentável; 2. Ecol. Econ. modelo de desenvolvimento que busca conciliar as necessidades econômicas, sociais e ambientais de modo a garantir seu atendimento por tempo indeterminado e a promover a inclusão social, o bem-estar econômico e a preservação dos recursos naturais.”Disponível em: http://aulete.uol.com.br/site.php?mdl= aulete_digital&op+imprimir&tipo=atualizado.A partir da resposta de Lincoln Paiva, e levando em conta o conceito de sustentabilidade, é correto afirmar: