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Questões do ENEM: nível médio

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27.392 questões encontradas. Mostrando a página 144 de 1370.

  • DEABA69A-7B

    Geografia

    Geografia Física
    USP · 2021MédioEntre para guardar nos favoritos

    O Sistema Aquífero Guarani abrange parte dos territórios da Argentina, do Brasil, do Paraguai e do Uruguai. Possui um volume acumulado de 37.000 km3 e área estimada de 1.087.000 km2. Na parte brasileira estende-se por oito Estados: Goiás, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Paraná, Rio Grande do Sul, Santa Catarina e São Paulo.

    Disponível em https://www.mma.gov.br/.


    Sobre os aquíferos e seus usos para atividades humanas, é correto afirmar:

    Escolha uma alternativa para a questão deaba69a-7b
  • DE977591-7B

    Conhecimentos Gerais

    Economia
    USP · 2021MédioEntre para guardar nos favoritos

    A criação do Banco da Amazônia e da Superintendência do Desenvolvimento da Amazônia (SUDAM) preconizou uma política de concessão de incentivos fiscais aos empresários, especialmente das regiões mais ricas do país, para que deixassem de pagar 50% do imposto de renda, desde que o dinheiro fosse depositado naquele banco para financiar projetos de desenvolvimento no estado do Amazonas. Os investimentos orientaram-se de preferência para a agropecuária, de modo que um grande número de empresários e de empresas, especialmente do Sudeste do Brasil sem tradição no ramo; tornaram-se proprietários de terras e empresários rurais. Em princípio a aquisição de terras pelos grandes capitalistas do Sudeste animou o mercado imobiliário.

    José de Sousa Martins. O Poder do Atraso. Adaptado.


    Assinale a alternativa que apresenta a combinação correta entre o período a que se refere o texto e as implicações, territoriais e sociais, observadas nas áreas onde a política de incentivos fiscais entrou em operação.

    Escolha uma alternativa para a questão de977591-7b
  • DE924136-7B

    Matemática

    Aritmética e Problemas
    USP · 2021MédioEntre para guardar nos favoritos
    Suponha, para simplificar, que a Terra é perfeitamente esférica e que a linha do Equador mede 40.000 km. O trajeto que sai do Polo Norte, segue até a linha do Equador pelo meridiano de Greenwich, depois se desloca ao longo da linha do Equador até o meridiano 45°L e então retorna ao Polo Norte por esse meridiano tem comprimento total de
    Escolha uma alternativa para a questão de924136-7b
  • DE8EFFFD-7B

    Matemática

    Geometria Plana
    USP · 2021MédioEntre para guardar nos favoritos
    Um marceneiro possui um pedaço de madeira no formato de um triângulo retângulo, cujos catetos medem 12 cm e 35 cm. A partir desta peça, ele precisa extrair o maior quadrado possível, de tal forma que um dos ângulos retos do quadrado coincida com o ângulo reto do triângulo. A medida do lado do quadrado desejado pelo marceneiro está mais próxima de
    Escolha uma alternativa para a questão de8efffd-7b
  • DE87DB8A-7B

    Matemática

    Circunferências
    USP · 2021MédioEntre para guardar nos favoritos

    Imagem da questão de Matemática, USP 2021, Circunferências


    A região hachurada do plano cartesiano xOy contida no círculo de centro na origem O e raio 1, mostrada na figura, pode ser descrita por 


    Note e adote:

    círculo de centro O e raio 1 é o conjunto de todos os pontos do plano que estão a uma distância de O menor do que ou igual a 1.

    Escolha uma alternativa para a questão de87db8a-7b
  • DE8243FA-7B

    Matemática

    Análise Combinatória em Matemática
    USP · 2021MédioEntre para guardar nos favoritos

    Um aplicativo de videoconferências estabelece, para cada reunião, um código de 10 letras, usando um alfabeto completo de 26 letras. A quantidade de códigos distintos possíveis está entre


    Note e adote:

    log10 13 ≅ 1,114

    1 bilhão = 109

    Escolha uma alternativa para a questão de8243fa-7b
  • DE7F3929-7B

    Matemática

    Geometria Plana
    USP · 2021MédioEntre para guardar nos favoritos
    Alice quer construir um paralelepípedo reto retângulo de dimensões 60 cm x 24 cm x 18 cm, com a menor quantidade possível de cubos idênticos cujas medidas das arestas são números naturais. Quantos cubos serão necessários para construir esse paralelepípedo?
    Escolha uma alternativa para a questão de7f3929-7b
  • DE7C3618-7B

    Matemática

    Problemas
    USP · 2021MédioEntre para guardar nos favoritos
    Uma treinadora de basquete aplica o seguinte sistema de pontuação em seus treinos de arremesso à cesta: cada jogadora recebe 5 pontos por arremesso acertado e perde 2 pontos por arremesso errado. Ao fim de 50 arremessos, uma das jogadoras contabilizou 124 pontos. Qual é a diferença entre as quantidades de arremessos acertados e errados dessa jogadora?
    Escolha uma alternativa para a questão de7c3618-7b
  • DE757B28-7B

    Matemática

    Geometria Plana
    USP · 2021MédioEntre para guardar nos favoritos

    Imagem da questão de Matemática, USP 2021, Geometria Plana


    Três triângulos equiláteros e dois quadrados formam uma figura plana, como ilustrado. Seus centros são os vértices de um pentágono irregular, que está destacado na figura. Se T é a área de cada um dos triângulos e Q a área de cada um dos quadrados, a área desse pentágono é

    Escolha uma alternativa para a questão de757b28-7b
  • DE72CF3B-7B

    Matemática

    Aritmética e Problemas
    USP · 2021MédioEntre para guardar nos favoritos

    Imagem da questão de Matemática, USP 2021, Aritmética e Problemas


    O quadrinho aborda o tema de números primos, sobre os quais é correto afirmar:

    Escolha uma alternativa para a questão de72cf3b-7b
  • D7AD1735-72

    Inglês

    Interpretação de texto | Reading comprehension
    UNIFESP · 2021MédioEntre para guardar nos favoritos
        Remember the good old days, when you could have a heated-yet-enjoyable debate with your friends about things that didn’t matter that much — times when you could be a true fan of the Manchester United soccer team when you didn’t come from the city of Manchester?

        How things have changed.

        Now disagreements feel deadly serious. Like when your colleague pronounces that wearing a face mask in public is a threat to his liberty. Or when you see that one of your friends has just tweeted that, actually, all lives matter. Before you know it, you’re feeling angry and forming harsh new judgments about your colleagues and friends. Let’s take a collective pause and breathe: there are some ways we can all try to have more civil disagreements in this febrile age of culture wars.

    1. ‘Coupling’ and ‘decoupling’

        The first is to consider how inclined people are to ‘couple’ or ‘decouple’ topics involving wider political and social factors. Swedish data analyst John Nerst has used the terms to describe the contrasting ways in which people approach contentious issues. Those of us more inclined to ‘couple’ see them as inextricably related to a broader matrix of factors, whereas those more predisposed to ‘decouple’ prefer to consider an issue in isolation. To take a crude example, a decoupler might consider in isolation the question of whether a vaccine provides a degree of immunity to a virus; a coupler, by contrast, would immediately see the issue as inextricably entangled in a mesh of factors, such as pharmaceutical industry power and parental choice.

    2.____________________

        Most of us are deeply committed to our beliefs, especially concerning moral and social issues, such that when we’re presented with facts that contradict our beliefs, we often choose to dismiss those facts, rather than update our beliefs.

        A study at Arizona State University, U.S., analysed more than 100,000 comments on a forum where users post their views on an issue and invite others to persuade them to change their mind. The researchers found that regardless of the kind of topic, people were more likely to change their mind when confronted with more evidence-based arguments. “Our work may suggest that while attitude change is hard-won, providing facts, statistics and citations for one’s arguments can convince people to change their minds,” they concluded.

    3. Just be nicer?

        Finally, it’s easier said than done, but let’s all try to be more respectful of and attentive to each other’s positions. We should do this not just for virtuous reasons, but because the more we create that kind of a climate, the more open-minded and intellectually flexible we will all be inclined to be. And then hopefully, collectively, we can start having more constructive disagreements — even in our present very difficult times.

    (Christian Jarrett. www.bbc.com, 14.10.2020. Adaptado.)
    It is an explicit opinion by the author of the text:
    Escolha uma alternativa para a questão d7ad1735-72
  • D7A84AE7-72

    Inglês

    Vocabulário | Vocabulary
    UNIFESP · 2021MédioEntre para guardar nos favoritos
        Remember the good old days, when you could have a heated-yet-enjoyable debate with your friends about things that didn’t matter that much — times when you could be a true fan of the Manchester United soccer team when you didn’t come from the city of Manchester?

        How things have changed.

        Now disagreements feel deadly serious. Like when your colleague pronounces that wearing a face mask in public is a threat to his liberty. Or when you see that one of your friends has just tweeted that, actually, all lives matter. Before you know it, you’re feeling angry and forming harsh new judgments about your colleagues and friends. Let’s take a collective pause and breathe: there are some ways we can all try to have more civil disagreements in this febrile age of culture wars.

    1. ‘Coupling’ and ‘decoupling’

        The first is to consider how inclined people are to ‘couple’ or ‘decouple’ topics involving wider political and social factors. Swedish data analyst John Nerst has used the terms to describe the contrasting ways in which people approach contentious issues. Those of us more inclined to ‘couple’ see them as inextricably related to a broader matrix of factors, whereas those more predisposed to ‘decouple’ prefer to consider an issue in isolation. To take a crude example, a decoupler might consider in isolation the question of whether a vaccine provides a degree of immunity to a virus; a coupler, by contrast, would immediately see the issue as inextricably entangled in a mesh of factors, such as pharmaceutical industry power and parental choice.

    2.____________________

        Most of us are deeply committed to our beliefs, especially concerning moral and social issues, such that when we’re presented with facts that contradict our beliefs, we often choose to dismiss those facts, rather than update our beliefs.

        A study at Arizona State University, U.S., analysed more than 100,000 comments on a forum where users post their views on an issue and invite others to persuade them to change their mind. The researchers found that regardless of the kind of topic, people were more likely to change their mind when confronted with more evidence-based arguments. “Our work may suggest that while attitude change is hard-won, providing facts, statistics and citations for one’s arguments can convince people to change their minds,” they concluded.

    3. Just be nicer?

        Finally, it’s easier said than done, but let’s all try to be more respectful of and attentive to each other’s positions. We should do this not just for virtuous reasons, but because the more we create that kind of a climate, the more open-minded and intellectually flexible we will all be inclined to be. And then hopefully, collectively, we can start having more constructive disagreements — even in our present very difficult times.

    (Christian Jarrett. www.bbc.com, 14.10.2020. Adaptado.)
    No trecho do último parágrafo “we will all be inclined to be”, o termo sublinhado indica uma
    Escolha uma alternativa para a questão d7a84ae7-72
  • D79EE807-72

    Inglês

    Vocabulário | Vocabulary
    UNIFESP · 2021MédioEntre para guardar nos favoritos
        Remember the good old days, when you could have a heated-yet-enjoyable debate with your friends about things that didn’t matter that much — times when you could be a true fan of the Manchester United soccer team when you didn’t come from the city of Manchester?

        How things have changed.

        Now disagreements feel deadly serious. Like when your colleague pronounces that wearing a face mask in public is a threat to his liberty. Or when you see that one of your friends has just tweeted that, actually, all lives matter. Before you know it, you’re feeling angry and forming harsh new judgments about your colleagues and friends. Let’s take a collective pause and breathe: there are some ways we can all try to have more civil disagreements in this febrile age of culture wars.

    1. ‘Coupling’ and ‘decoupling’

        The first is to consider how inclined people are to ‘couple’ or ‘decouple’ topics involving wider political and social factors. Swedish data analyst John Nerst has used the terms to describe the contrasting ways in which people approach contentious issues. Those of us more inclined to ‘couple’ see them as inextricably related to a broader matrix of factors, whereas those more predisposed to ‘decouple’ prefer to consider an issue in isolation. To take a crude example, a decoupler might consider in isolation the question of whether a vaccine provides a degree of immunity to a virus; a coupler, by contrast, would immediately see the issue as inextricably entangled in a mesh of factors, such as pharmaceutical industry power and parental choice.

    2.____________________

        Most of us are deeply committed to our beliefs, especially concerning moral and social issues, such that when we’re presented with facts that contradict our beliefs, we often choose to dismiss those facts, rather than update our beliefs.

        A study at Arizona State University, U.S., analysed more than 100,000 comments on a forum where users post their views on an issue and invite others to persuade them to change their mind. The researchers found that regardless of the kind of topic, people were more likely to change their mind when confronted with more evidence-based arguments. “Our work may suggest that while attitude change is hard-won, providing facts, statistics and citations for one’s arguments can convince people to change their minds,” they concluded.

    3. Just be nicer?

        Finally, it’s easier said than done, but let’s all try to be more respectful of and attentive to each other’s positions. We should do this not just for virtuous reasons, but because the more we create that kind of a climate, the more open-minded and intellectually flexible we will all be inclined to be. And then hopefully, collectively, we can start having more constructive disagreements — even in our present very difficult times.

    (Christian Jarrett. www.bbc.com, 14.10.2020. Adaptado.)
    No trecho do quarto parágrafo “whereas those more predisposed to ‘decouple’ prefer to consider an issue in isolation”, o termo sublinhado introduz
    Escolha uma alternativa para a questão d79ee807-72
  • D7955363-72

    Inglês

    Interpretação de texto | Reading comprehension
    UNIFESP · 2021MédioEntre para guardar nos favoritos
        Remember the good old days, when you could have a heated-yet-enjoyable debate with your friends about things that didn’t matter that much — times when you could be a true fan of the Manchester United soccer team when you didn’t come from the city of Manchester?

        How things have changed.

        Now disagreements feel deadly serious. Like when your colleague pronounces that wearing a face mask in public is a threat to his liberty. Or when you see that one of your friends has just tweeted that, actually, all lives matter. Before you know it, you’re feeling angry and forming harsh new judgments about your colleagues and friends. Let’s take a collective pause and breathe: there are some ways we can all try to have more civil disagreements in this febrile age of culture wars.

    1. ‘Coupling’ and ‘decoupling’

        The first is to consider how inclined people are to ‘couple’ or ‘decouple’ topics involving wider political and social factors. Swedish data analyst John Nerst has used the terms to describe the contrasting ways in which people approach contentious issues. Those of us more inclined to ‘couple’ see them as inextricably related to a broader matrix of factors, whereas those more predisposed to ‘decouple’ prefer to consider an issue in isolation. To take a crude example, a decoupler might consider in isolation the question of whether a vaccine provides a degree of immunity to a virus; a coupler, by contrast, would immediately see the issue as inextricably entangled in a mesh of factors, such as pharmaceutical industry power and parental choice.

    2.____________________

        Most of us are deeply committed to our beliefs, especially concerning moral and social issues, such that when we’re presented with facts that contradict our beliefs, we often choose to dismiss those facts, rather than update our beliefs.

        A study at Arizona State University, U.S., analysed more than 100,000 comments on a forum where users post their views on an issue and invite others to persuade them to change their mind. The researchers found that regardless of the kind of topic, people were more likely to change their mind when confronted with more evidence-based arguments. “Our work may suggest that while attitude change is hard-won, providing facts, statistics and citations for one’s arguments can convince people to change their minds,” they concluded.

    3. Just be nicer?

        Finally, it’s easier said than done, but let’s all try to be more respectful of and attentive to each other’s positions. We should do this not just for virtuous reasons, but because the more we create that kind of a climate, the more open-minded and intellectually flexible we will all be inclined to be. And then hopefully, collectively, we can start having more constructive disagreements — even in our present very difficult times.

    (Christian Jarrett. www.bbc.com, 14.10.2020. Adaptado.)
    The expression “Before you know it” (3rd paragraph) can be correctly interpreted as
    Escolha uma alternativa para a questão d7955363-72
  • D7902F92-72

    Inglês

    Sinônimos | Synonyms
    UNIFESP · 2021MédioEntre para guardar nos favoritos
        Remember the good old days, when you could have a heated-yet-enjoyable debate with your friends about things that didn’t matter that much — times when you could be a true fan of the Manchester United soccer team when you didn’t come from the city of Manchester?

        How things have changed.

        Now disagreements feel deadly serious. Like when your colleague pronounces that wearing a face mask in public is a threat to his liberty. Or when you see that one of your friends has just tweeted that, actually, all lives matter. Before you know it, you’re feeling angry and forming harsh new judgments about your colleagues and friends. Let’s take a collective pause and breathe: there are some ways we can all try to have more civil disagreements in this febrile age of culture wars.

    1. ‘Coupling’ and ‘decoupling’

        The first is to consider how inclined people are to ‘couple’ or ‘decouple’ topics involving wider political and social factors. Swedish data analyst John Nerst has used the terms to describe the contrasting ways in which people approach contentious issues. Those of us more inclined to ‘couple’ see them as inextricably related to a broader matrix of factors, whereas those more predisposed to ‘decouple’ prefer to consider an issue in isolation. To take a crude example, a decoupler might consider in isolation the question of whether a vaccine provides a degree of immunity to a virus; a coupler, by contrast, would immediately see the issue as inextricably entangled in a mesh of factors, such as pharmaceutical industry power and parental choice.

    2.____________________

        Most of us are deeply committed to our beliefs, especially concerning moral and social issues, such that when we’re presented with facts that contradict our beliefs, we often choose to dismiss those facts, rather than update our beliefs.

        A study at Arizona State University, U.S., analysed more than 100,000 comments on a forum where users post their views on an issue and invite others to persuade them to change their mind. The researchers found that regardless of the kind of topic, people were more likely to change their mind when confronted with more evidence-based arguments. “Our work may suggest that while attitude change is hard-won, providing facts, statistics and citations for one’s arguments can convince people to change their minds,” they concluded.

    3. Just be nicer?

        Finally, it’s easier said than done, but let’s all try to be more respectful of and attentive to each other’s positions. We should do this not just for virtuous reasons, but because the more we create that kind of a climate, the more open-minded and intellectually flexible we will all be inclined to be. And then hopefully, collectively, we can start having more constructive disagreements — even in our present very difficult times.

    (Christian Jarrett. www.bbc.com, 14.10.2020. Adaptado.)
    In the fragment from the third paragraph “when you see that one of your friends has just tweeted that, actually, all lives matter”, the underlined word can be replaced, with no change in meaning, by
    Escolha uma alternativa para a questão d7902f92-72
  • D78C0AEF-72

    Inglês

    Interpretação de texto | Reading comprehension
    UNIFESP · 2021MédioEntre para guardar nos favoritos
        Remember the good old days, when you could have a heated-yet-enjoyable debate with your friends about things that didn’t matter that much — times when you could be a true fan of the Manchester United soccer team when you didn’t come from the city of Manchester?

        How things have changed.

        Now disagreements feel deadly serious. Like when your colleague pronounces that wearing a face mask in public is a threat to his liberty. Or when you see that one of your friends has just tweeted that, actually, all lives matter. Before you know it, you’re feeling angry and forming harsh new judgments about your colleagues and friends. Let’s take a collective pause and breathe: there are some ways we can all try to have more civil disagreements in this febrile age of culture wars.

    1. ‘Coupling’ and ‘decoupling’

        The first is to consider how inclined people are to ‘couple’ or ‘decouple’ topics involving wider political and social factors. Swedish data analyst John Nerst has used the terms to describe the contrasting ways in which people approach contentious issues. Those of us more inclined to ‘couple’ see them as inextricably related to a broader matrix of factors, whereas those more predisposed to ‘decouple’ prefer to consider an issue in isolation. To take a crude example, a decoupler might consider in isolation the question of whether a vaccine provides a degree of immunity to a virus; a coupler, by contrast, would immediately see the issue as inextricably entangled in a mesh of factors, such as pharmaceutical industry power and parental choice.

    2.____________________

        Most of us are deeply committed to our beliefs, especially concerning moral and social issues, such that when we’re presented with facts that contradict our beliefs, we often choose to dismiss those facts, rather than update our beliefs.

        A study at Arizona State University, U.S., analysed more than 100,000 comments on a forum where users post their views on an issue and invite others to persuade them to change their mind. The researchers found that regardless of the kind of topic, people were more likely to change their mind when confronted with more evidence-based arguments. “Our work may suggest that while attitude change is hard-won, providing facts, statistics and citations for one’s arguments can convince people to change their minds,” they concluded.

    3. Just be nicer?

        Finally, it’s easier said than done, but let’s all try to be more respectful of and attentive to each other’s positions. We should do this not just for virtuous reasons, but because the more we create that kind of a climate, the more open-minded and intellectually flexible we will all be inclined to be. And then hopefully, collectively, we can start having more constructive disagreements — even in our present very difficult times.

    (Christian Jarrett. www.bbc.com, 14.10.2020. Adaptado.)
    Os trechos “when your colleague pronounces that wearing a face mask in public is a threat to his liberty” e “when you see that one of your friends has just tweeted that, actually, all lives matter”, no terceiro parágrafo,
    Escolha uma alternativa para a questão d78c0aef-72
  • D77D8430-72

    Português

    Pontuação
    UNIFESP · 2021MédioEntre para guardar nos favoritos
    Cruz na porta da tabacaria!
    Quem morreu? O próprio Alves? Dou
    Ao diabo o bem-’star que trazia.
    Desde ontem a cidade mudou.

    Quem era? Ora, era quem eu via.
    Todos os dias o via. Estou
    Agora sem essa monotonia.
    Desde ontem a cidade mudou.

    Ele era o dono da tabacaria.
    Um ponto de referência de quem sou.
    Eu passava ali de noite e de dia.
    Desde ontem a cidade mudou.

    Meu coração tem pouca alegria,
    E isto diz que é morte aquilo onde estou.
    Horror fechado da tabacaria!
    Desde ontem a cidade mudou.

    Mas ao menos a ele alguém o via,
    Ele era fixo, eu, o que vou,
    Se morrer, não falto, e ninguém diria:
    Desde ontem a cidade mudou.

    (Obra poética, 1997.)
    O eu lírico recorre a um sinal de pontuação para indicar a supressão de um verbo em
    Escolha uma alternativa para a questão d77d8430-72
  • D779432C-72

    Português

    Sintaxe
    UNIFESP · 2021MédioEntre para guardar nos favoritos
    Cruz na porta da tabacaria!
    Quem morreu? O próprio Alves? Dou
    Ao diabo o bem-’star que trazia.
    Desde ontem a cidade mudou.

    Quem era? Ora, era quem eu via.
    Todos os dias o via. Estou
    Agora sem essa monotonia.
    Desde ontem a cidade mudou.

    Ele era o dono da tabacaria.
    Um ponto de referência de quem sou.
    Eu passava ali de noite e de dia.
    Desde ontem a cidade mudou.

    Meu coração tem pouca alegria,
    E isto diz que é morte aquilo onde estou.
    Horror fechado da tabacaria!
    Desde ontem a cidade mudou.

    Mas ao menos a ele alguém o via,
    Ele era fixo, eu, o que vou,
    Se morrer, não falto, e ninguém diria:
    Desde ontem a cidade mudou.

    (Obra poética, 1997.)
    Sempre que haja necessidade expressiva de reforço, de ênfase, pode o objeto direto vir repetido. Essa reiteração recebe o nome de objeto direto pleonástico.

    (Adriano da Gama Kury. Novas lições de análise sintática, 1997. Adaptado.)

    O eu lírico lança mão desse recurso expressivo no verso
    Escolha uma alternativa para a questão d779432c-72
  • D75EE257-72

    Português

    Funções morfossintáticas da palavra QUE
    UNIFESP · 2021MédioEntre para guardar nos favoritos

        A palavra sonho, do latim somnium, significa muitas coisas diferentes, todas vivenciadas durante a vigília, e não durante o sono. Realizei “o sonho da minha vida”, “meu sonho de consumo” são frases usadas cotidianamente pelas pessoas para dizer que pretendem ou conseguiram alcançar algo. Todo mundo tem um sonho, no sentido de plano futuro. Todo mundo deseja algo que não tem. Por que será que o sonho, fenômeno normalmente noturno que tanto pode evocar o prazer quanto o medo, é justamente a palavra usada para designar tudo aquilo que se quer ter?
        
        O repertório publicitário contemporâneo não tem dúvidas de que o sonho é a força motriz de nossos comportamentos. Desejo é o sinônimo mais preciso da palavra “sonho”. [...] Na área de desembarque de um aeroporto nos Estados Unidos, uma foto enorme de um casal belo e sorridente, velejando num mar caribenho em dia ensolarado, sob a frase enigmática: “Aonde seus sonhos o levarão?”, embaixo o logotipo da empresa de cartão de crédito. Deduz-se do anúncio que os sonhos são como veleiros, capazes de levar-nos a lugares idílicos, perfeitos, altamente… desejáveis. As equações “sonho é igual a desejo que é igual a dinheiro” têm como variável oculta a liberdade de ir, ser e principalmente ter, liberdade que até os mais miseráveis podem experimentar no mundo de regras frouxas do sonho noturno, mas que no sonho diurno é privilégio apenas dos detentores de um mágico cartão plástico.

        A rotina do trabalho diário e a falta de tempo para dormir e sonhar, que acometem a maioria dos trabalhadores, são cruciais para o mal-estar da civilização contemporânea. É gritante o contraste entre a relevância motivacional do sonho e sua banalização no mundo industrial globalizado. [...] A indústria da saúde do sono, um setor que cresce aceleradamente, tem valor estimado entre 30 bilhões e 40 bilhões de dólares. Mesmo assim a insônia impera. Se o tempo é sempre escasso, se despertamos diariamente com o toque insistente do despertador, ainda sonolentos e já atrasados para cumprir compromissos que se renovam ao infinito, se tão poucos se lembram que sonham pela simples falta de oportunidade de contemplar a vida interior, quando a insônia grassa e o bocejo se impõe, chega-se a duvidar da sobrevivência do sonho.

        E, no entanto, sonha-se. Sonha-se muito e a granel, sonha-se sofregamente apesar das luzes e dos ruídos da cidade, da incessante faina da vida e da tristeza das perspectivas. Dirá a formiga cética que quem sonha assim tão livre é o artista, cigarra de fábula que vive de brisa. [...] Na peça teatral A vida é sonho, o espanhol Pedro Calderón de la Barca dramatizou a liberdade de construir o próprio destino. O sonho é a imaginação sem freio nem controle, solta para temer, criar, perder e achar.

    (O oráculo da noite: a história e a ciência do sonho, 2019.)
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