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Questões do ENEM: Linguagens

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  • Linguagens

    Inglês

    Leia o texto para responder à questão.

     

    Nobel winner Malala opens school for Syrian refugees

     

    Sylvia Westall

    July 13, 2015

    Bekaa Valley, Lebanon


    Imagem da questão de Inglês, UNIFESP 2015, Interpretação de texto | Reading comprehension 

     

      Malala Yousafzai, the youngest winner of the Nobel Peace Prize, celebrated her 18th birthday in Lebanon on Sunday by opening a school for Syrian refugee girls and called on world leaders to invest in “books not bullets”. Malala became a symbol of defiance after she was shot on a school bus in Pakistan in 2012 by the Taliban for advocating girls’ rights to education. She continued campaigning and won the Nobel in 2014.

       “I decided to be in Lebanon because I believe that the voices of the Syrian refugees need to be heard and they have been ignored for so long,” Malala told Reuters in a schoolroom decorated with drawings of butterflies. The Malala Fund, a non-profit organization that supports local education projects, provided most of the funding for the school, set up by Lebanon’s Kayany Foundation in the Bekaa Valley, close to the Syrian border. The Kayany Foundation, established by Syrian Nora Joumblatt in response to Syria’s refugee crisis, has already completed three other new schools to give free education to Syrian children in Lebanon. The Malala school can welcome up to 200 girls aged 14 to 18.

       “Today on my first day as an adult, on behalf of the world’s children, I demand of leaders we must invest in books instead of bullets,” Malala said in a speech. Lebanon is home to at least 1.2 million of the 4 million refugees that have fled Syria’s war to neighboring countries. There are about 500,000 Syrian school-age children in Lebanon, but only a fifth are in formal education. “We are in danger of losing generations of young Syrian girls due to the lack of education,” Joumblatt said in a speech at the opening of the school. “Desperate and displaced Syrians are increasingly seeing early marriage as a way to secure the social and financial future of their daughters. We need to provide an alternative: Keep young girls in school instead of being pressured into wedlock.”

        Lebanon, which allows informal settlements on land rented by refugees, says it can no longer cope with the influx from Syria’s four-year conflict. More than one in four people living in Lebanon is a refugee. The United Nations says the number of Syrian refugees in neighboring countries is expected to reach 4.27 million by the end of the year. “In Lebanon as well as in Jordan, an increasing number of refugees are being turned back at the border,” Malala said. “This is inhuman and this is shameful.”

        Her father Ziauddin said he was proud she was carrying on her activism into adulthood. “This is the mission we have taken for the last 8-9 years. A small moment for the education of girls in Swat Valley: it is spreading now all over the world,” he said.

     

    (www.reuters.com. Adaptado.)

    According to the text, Malala Yousafzai was shot because she
    Escolha uma alternativa para a questão 6febebc9-06
  • Linguagens

    Literatura

    Combinando lenda e humor, O Coronel e o lobisomem, escrito por José Cândido de Carvalho, em 1964, é uma obra que evidencia a permanência e a transformação do regionalismo na Literatura Brasileira, pois:
    Escolha uma alternativa para a questão 6fee1251-d8
  • Linguagens

    Inglês

    Leia o texto para responder à questão.

     

    Nobel winner Malala opens school for Syrian refugees

     

    Sylvia Westall

    July 13, 2015

    Bekaa Valley, Lebanon


    Imagem da questão de Inglês, UNIFESP 2015, Interpretação de texto | Reading comprehension 

     

      Malala Yousafzai, the youngest winner of the Nobel Peace Prize, celebrated her 18th birthday in Lebanon on Sunday by opening a school for Syrian refugee girls and called on world leaders to invest in “books not bullets”. Malala became a symbol of defiance after she was shot on a school bus in Pakistan in 2012 by the Taliban for advocating girls’ rights to education. She continued campaigning and won the Nobel in 2014.

       “I decided to be in Lebanon because I believe that the voices of the Syrian refugees need to be heard and they have been ignored for so long,” Malala told Reuters in a schoolroom decorated with drawings of butterflies. The Malala Fund, a non-profit organization that supports local education projects, provided most of the funding for the school, set up by Lebanon’s Kayany Foundation in the Bekaa Valley, close to the Syrian border. The Kayany Foundation, established by Syrian Nora Joumblatt in response to Syria’s refugee crisis, has already completed three other new schools to give free education to Syrian children in Lebanon. The Malala school can welcome up to 200 girls aged 14 to 18.

       “Today on my first day as an adult, on behalf of the world’s children, I demand of leaders we must invest in books instead of bullets,” Malala said in a speech. Lebanon is home to at least 1.2 million of the 4 million refugees that have fled Syria’s war to neighboring countries. There are about 500,000 Syrian school-age children in Lebanon, but only a fifth are in formal education. “We are in danger of losing generations of young Syrian girls due to the lack of education,” Joumblatt said in a speech at the opening of the school. “Desperate and displaced Syrians are increasingly seeing early marriage as a way to secure the social and financial future of their daughters. We need to provide an alternative: Keep young girls in school instead of being pressured into wedlock.”

        Lebanon, which allows informal settlements on land rented by refugees, says it can no longer cope with the influx from Syria’s four-year conflict. More than one in four people living in Lebanon is a refugee. The United Nations says the number of Syrian refugees in neighboring countries is expected to reach 4.27 million by the end of the year. “In Lebanon as well as in Jordan, an increasing number of refugees are being turned back at the border,” Malala said. “This is inhuman and this is shameful.”

        Her father Ziauddin said he was proud she was carrying on her activism into adulthood. “This is the mission we have taken for the last 8-9 years. A small moment for the education of girls in Swat Valley: it is spreading now all over the world,” he said.

     

    (www.reuters.com. Adaptado.)

    On her 18th birthday, Malala
    Escolha uma alternativa para a questão 6feff51b-06
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    El artículo trata sobre
    Escolha uma alternativa para a questão 6ff1a25e-f5
  • Linguagens

    Espanhol

    Imagem da questão de Espanhol, IF-TM 2011, Modo Verbal (Indicativo, Subjuntivo e Imperativo) | Modo Verbal (Indicativo, Subjuntivo e Imperativo) “El futuro ha llegado, es momento de construir organizaciones sólidas…”, el término destacado es un verbo conjugado en el pretérito perfecto del indicativo. Señala la alternativa que presenta un verbo que sustituye lo de la frase principal sin perjuicio de sentido.

    Escolha uma alternativa para a questão 6ff26e4b-a1
  • Linguagens

    Literatura

    Sobre a obra O ensaio sobre a cegueira, de José Saramago, marque a alternativa incorreta.
    Escolha uma alternativa para a questão 6ff30024-d8
  • Linguagens

    Inglês

    Leia o texto para responder à questão.

     

    Nobel winner Malala opens school for Syrian refugees

     

    Sylvia Westall

    July 13, 2015

    Bekaa Valley, Lebanon


    Imagem da questão de Inglês, UNIFESP 2015, Vocabulário | Vocabulary 

     

      Malala Yousafzai, the youngest winner of the Nobel Peace Prize, celebrated her 18th birthday in Lebanon on Sunday by opening a school for Syrian refugee girls and called on world leaders to invest in “books not bullets”. Malala became a symbol of defiance after she was shot on a school bus in Pakistan in 2012 by the Taliban for advocating girls’ rights to education. She continued campaigning and won the Nobel in 2014.

       “I decided to be in Lebanon because I believe that the voices of the Syrian refugees need to be heard and they have been ignored for so long,” Malala told Reuters in a schoolroom decorated with drawings of butterflies. The Malala Fund, a non-profit organization that supports local education projects, provided most of the funding for the school, set up by Lebanon’s Kayany Foundation in the Bekaa Valley, close to the Syrian border. The Kayany Foundation, established by Syrian Nora Joumblatt in response to Syria’s refugee crisis, has already completed three other new schools to give free education to Syrian children in Lebanon. The Malala school can welcome up to 200 girls aged 14 to 18.

       “Today on my first day as an adult, on behalf of the world’s children, I demand of leaders we must invest in books instead of bullets,” Malala said in a speech. Lebanon is home to at least 1.2 million of the 4 million refugees that have fled Syria’s war to neighboring countries. There are about 500,000 Syrian school-age children in Lebanon, but only a fifth are in formal education. “We are in danger of losing generations of young Syrian girls due to the lack of education,” Joumblatt said in a speech at the opening of the school. “Desperate and displaced Syrians are increasingly seeing early marriage as a way to secure the social and financial future of their daughters. We need to provide an alternative: Keep young girls in school instead of being pressured into wedlock.”

        Lebanon, which allows informal settlements on land rented by refugees, says it can no longer cope with the influx from Syria’s four-year conflict. More than one in four people living in Lebanon is a refugee. The United Nations says the number of Syrian refugees in neighboring countries is expected to reach 4.27 million by the end of the year. “In Lebanon as well as in Jordan, an increasing number of refugees are being turned back at the border,” Malala said. “This is inhuman and this is shameful.”

        Her father Ziauddin said he was proud she was carrying on her activism into adulthood. “This is the mission we have taken for the last 8-9 years. A small moment for the education of girls in Swat Valley: it is spreading now all over the world,” he said.

     

    (www.reuters.com. Adaptado.)

    Analise o trecho do terceiro parágrafo “I demand of leaders we must invest in books instead of bullets”, para responder à questão.

    A expressão “instead of” indica uma ideia de
    Escolha uma alternativa para a questão 6ff30624-06
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    El objetivo del artículo es
    Escolha uma alternativa para a questão 6ff56f2d-f5
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    El subtítulo: “Chicas del barro” (línea 32) se refiere a:
    Escolha uma alternativa para a questão 6ff88bd0-f5
  • Linguagens

    Inglês

    Leia o texto para responder à questão.

     

    Nobel winner Malala opens school for Syrian refugees

     

    Sylvia Westall

    July 13, 2015

    Bekaa Valley, Lebanon


    Imagem da questão de Inglês, UNIFESP 2015, Sinônimos | Synonyms 

     

      Malala Yousafzai, the youngest winner of the Nobel Peace Prize, celebrated her 18th birthday in Lebanon on Sunday by opening a school for Syrian refugee girls and called on world leaders to invest in “books not bullets”. Malala became a symbol of defiance after she was shot on a school bus in Pakistan in 2012 by the Taliban for advocating girls’ rights to education. She continued campaigning and won the Nobel in 2014.

       “I decided to be in Lebanon because I believe that the voices of the Syrian refugees need to be heard and they have been ignored for so long,” Malala told Reuters in a schoolroom decorated with drawings of butterflies. The Malala Fund, a non-profit organization that supports local education projects, provided most of the funding for the school, set up by Lebanon’s Kayany Foundation in the Bekaa Valley, close to the Syrian border. The Kayany Foundation, established by Syrian Nora Joumblatt in response to Syria’s refugee crisis, has already completed three other new schools to give free education to Syrian children in Lebanon. The Malala school can welcome up to 200 girls aged 14 to 18.

       “Today on my first day as an adult, on behalf of the world’s children, I demand of leaders we must invest in books instead of bullets,” Malala said in a speech. Lebanon is home to at least 1.2 million of the 4 million refugees that have fled Syria’s war to neighboring countries. There are about 500,000 Syrian school-age children in Lebanon, but only a fifth are in formal education. “We are in danger of losing generations of young Syrian girls due to the lack of education,” Joumblatt said in a speech at the opening of the school. “Desperate and displaced Syrians are increasingly seeing early marriage as a way to secure the social and financial future of their daughters. We need to provide an alternative: Keep young girls in school instead of being pressured into wedlock.”

        Lebanon, which allows informal settlements on land rented by refugees, says it can no longer cope with the influx from Syria’s four-year conflict. More than one in four people living in Lebanon is a refugee. The United Nations says the number of Syrian refugees in neighboring countries is expected to reach 4.27 million by the end of the year. “In Lebanon as well as in Jordan, an increasing number of refugees are being turned back at the border,” Malala said. “This is inhuman and this is shameful.”

        Her father Ziauddin said he was proud she was carrying on her activism into adulthood. “This is the mission we have taken for the last 8-9 years. A small moment for the education of girls in Swat Valley: it is spreading now all over the world,” he said.

     

    (www.reuters.com. Adaptado.)

    Analise o trecho do terceiro parágrafo “I demand of leaders we must invest in books instead of bullets”, para responder à questão.


    O termo “must” pode ser substituído, sem alteração de sentido, por

    Escolha uma alternativa para a questão 6ff90774-06
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Señale la única alternativa en que la palabra en negita se corresponde semánticamente con la palabra en paréntesis
    Escolha uma alternativa para a questão 6ffbe99f-f5
  • Linguagens

    Inglês

    Leia o texto para responder à questão.

     

    Nobel winner Malala opens school for Syrian refugees

     

    Sylvia Westall

    July 13, 2015

    Bekaa Valley, Lebanon


    Imagem da questão de Inglês, UNIFESP 2015, Interpretação de texto | Reading comprehension 

     

      Malala Yousafzai, the youngest winner of the Nobel Peace Prize, celebrated her 18th birthday in Lebanon on Sunday by opening a school for Syrian refugee girls and called on world leaders to invest in “books not bullets”. Malala became a symbol of defiance after she was shot on a school bus in Pakistan in 2012 by the Taliban for advocating girls’ rights to education. She continued campaigning and won the Nobel in 2014.

       “I decided to be in Lebanon because I believe that the voices of the Syrian refugees need to be heard and they have been ignored for so long,” Malala told Reuters in a schoolroom decorated with drawings of butterflies. The Malala Fund, a non-profit organization that supports local education projects, provided most of the funding for the school, set up by Lebanon’s Kayany Foundation in the Bekaa Valley, close to the Syrian border. The Kayany Foundation, established by Syrian Nora Joumblatt in response to Syria’s refugee crisis, has already completed three other new schools to give free education to Syrian children in Lebanon. The Malala school can welcome up to 200 girls aged 14 to 18.

       “Today on my first day as an adult, on behalf of the world’s children, I demand of leaders we must invest in books instead of bullets,” Malala said in a speech. Lebanon is home to at least 1.2 million of the 4 million refugees that have fled Syria’s war to neighboring countries. There are about 500,000 Syrian school-age children in Lebanon, but only a fifth are in formal education. “We are in danger of losing generations of young Syrian girls due to the lack of education,” Joumblatt said in a speech at the opening of the school. “Desperate and displaced Syrians are increasingly seeing early marriage as a way to secure the social and financial future of their daughters. We need to provide an alternative: Keep young girls in school instead of being pressured into wedlock.”

        Lebanon, which allows informal settlements on land rented by refugees, says it can no longer cope with the influx from Syria’s four-year conflict. More than one in four people living in Lebanon is a refugee. The United Nations says the number of Syrian refugees in neighboring countries is expected to reach 4.27 million by the end of the year. “In Lebanon as well as in Jordan, an increasing number of refugees are being turned back at the border,” Malala said. “This is inhuman and this is shameful.”

        Her father Ziauddin said he was proud she was carrying on her activism into adulthood. “This is the mission we have taken for the last 8-9 years. A small moment for the education of girls in Swat Valley: it is spreading now all over the world,” he said.

     

    (www.reuters.com. Adaptado.)

    Segundo o texto,
    Escolha uma alternativa para a questão 6ffcc63a-06
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    En el fragmento “En lo personal creo que el mundo se está llenando de mucha basura, de mucho plástico, y cuando me siento en el torno, es darle al mundo algo bello, hecho a mando a consciencia” (líneas 61-64) el pronombre objeto indirecto le de la forma verbal darle que aparece en negrita se refiere
    Escolha uma alternativa para a questão 6fffe558-f5
  • Linguagens

    Inglês

    Leia o texto para responder à questão.


        Poverty may hinder kids’ brain development, study says

        Reduced gray matter, lower test scores reported for poor children

    July 20, 2015


    Imagem da questão de Inglês, UNIFESP 2015, Interpretação de texto | Reading comprehension


        Poverty appears to affect the brain development of children, hampering the growth of gray matter and impairing their academic performance, researchers report. Poor children tend to have as much as 10 percent less gray matter in several areas of the brain associated with academic skills, according to a study published July 20 in JAMA Pediatrics. “We used to think of poverty as a ‘social’ issue, but what we are learning now is that it is a biomedical issue that is affecting brain growth,” said senior study author Seth Pollak, a professor of psychology, pediatrics, anthropology and neuroscience at the University of Wisconsin-Madison.

       The results could have profound implications for the United States, where low-income students now represent the majority of kids in public schools, the study authors said in background information. Fifty-one percent of public school students came from low-income families in 2013.

        Previous studies have shown that children living in poverty tend to perform poorly in school, the authors say. They have markedly lower test scores, and do not go as far in school as their well-off peers.

        To see whether this is due to some physical effect that poverty might have on a child’s brain, Pollak and his colleagues analyzed MRI scans of 389 typically developing kids aged 4 to 22, assessing the amount of gray matter in the whole brain as well as the frontal lobe, temporal lobe and hippocampus. “Gray matter contains most of the brain’s neuronal cells,” Pollak said. “In other words, other parts of the brain – like white matter – carry information from one section of the brain to another. But the gray matter is where seeing and hearing, memory, emotions, speech, decision making and self-control occur.”

        Children living below 150 percent of the federal poverty level – US$ 36,375 for a family of four – had 3 percent to 4 percent less gray matter in important regions of their brain, compared to the norm, the authors found. Those in families living below the federal poverty level fared even worse, with 8 percent to 10 percent less gray matter in those same brain regions. The federal poverty level in 2015 is US$ 24,250 for a family of four. These same kids scored an average of four to seven points lower on standardized tests, the researchers said.

        The team estimated that as much as 20 percent of the gap in test scores could be explained by reduced brain development. A host of poverty-related issues likely contribute to developmental lags in children’s brains, Pollak said. Low-income kids are less likely to get the type of stimulation from their parents and environment that helps the brain grow, he said. For example, they hear fewer new words, and have fewer opportunities to read or play games. Their brain development also can be affected by factors related to impoverishment, such as high stress levels, poor sleep, crowding and poor nutrition, Pollak said.

        This study serves as a call to action, given what’s already known about the effects of poverty on child development, said Dr. Joan Luby, a professor of child psychiatry at Washington University School of Medicine in St. Louis. “The thing that’s really important about this study in the context of the broader literature is that there really is enough scientific evidence to take public health action at this point,” said Luby, who wrote an editorial accompanying the study. “Poverty negatively affects brain development, and we also know that early interventions are powerfully effective,” Luby said. “They are more effective than interventions later in life, and they also are cost-effective.”


    (www.nlm.nih.gov. Adaptado.)

    Segundo o texto, a pesquisa publicada no periódico JAMA Pediatrics aponta que a pobreza
    Escolha uma alternativa para a questão 7000e914-06
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Lea el testimonio de Maru Jasminoy (líneas 33-64) e identifique la alternativa que NO se adecua a lo que se menciona en éste:
    Escolha uma alternativa para a questão 7002c95d-f5
  • Linguagens

    Inglês

    Leia o texto para responder à questão.


        Poverty may hinder kids’ brain development, study says

        Reduced gray matter, lower test scores reported for poor children

    July 20, 2015


    Imagem da questão de Inglês, UNIFESP 2015, Interpretação de texto | Reading comprehension


        Poverty appears to affect the brain development of children, hampering the growth of gray matter and impairing their academic performance, researchers report. Poor children tend to have as much as 10 percent less gray matter in several areas of the brain associated with academic skills, according to a study published July 20 in JAMA Pediatrics. “We used to think of poverty as a ‘social’ issue, but what we are learning now is that it is a biomedical issue that is affecting brain growth,” said senior study author Seth Pollak, a professor of psychology, pediatrics, anthropology and neuroscience at the University of Wisconsin-Madison.

       The results could have profound implications for the United States, where low-income students now represent the majority of kids in public schools, the study authors said in background information. Fifty-one percent of public school students came from low-income families in 2013.

        Previous studies have shown that children living in poverty tend to perform poorly in school, the authors say. They have markedly lower test scores, and do not go as far in school as their well-off peers.

        To see whether this is due to some physical effect that poverty might have on a child’s brain, Pollak and his colleagues analyzed MRI scans of 389 typically developing kids aged 4 to 22, assessing the amount of gray matter in the whole brain as well as the frontal lobe, temporal lobe and hippocampus. “Gray matter contains most of the brain’s neuronal cells,” Pollak said. “In other words, other parts of the brain – like white matter – carry information from one section of the brain to another. But the gray matter is where seeing and hearing, memory, emotions, speech, decision making and self-control occur.”

        Children living below 150 percent of the federal poverty level – US$ 36,375 for a family of four – had 3 percent to 4 percent less gray matter in important regions of their brain, compared to the norm, the authors found. Those in families living below the federal poverty level fared even worse, with 8 percent to 10 percent less gray matter in those same brain regions. The federal poverty level in 2015 is US$ 24,250 for a family of four. These same kids scored an average of four to seven points lower on standardized tests, the researchers said.

        The team estimated that as much as 20 percent of the gap in test scores could be explained by reduced brain development. A host of poverty-related issues likely contribute to developmental lags in children’s brains, Pollak said. Low-income kids are less likely to get the type of stimulation from their parents and environment that helps the brain grow, he said. For example, they hear fewer new words, and have fewer opportunities to read or play games. Their brain development also can be affected by factors related to impoverishment, such as high stress levels, poor sleep, crowding and poor nutrition, Pollak said.

        This study serves as a call to action, given what’s already known about the effects of poverty on child development, said Dr. Joan Luby, a professor of child psychiatry at Washington University School of Medicine in St. Louis. “The thing that’s really important about this study in the context of the broader literature is that there really is enough scientific evidence to take public health action at this point,” said Luby, who wrote an editorial accompanying the study. “Poverty negatively affects brain development, and we also know that early interventions are powerfully effective,” Luby said. “They are more effective than interventions later in life, and they also are cost-effective.”


    (www.nlm.nih.gov. Adaptado.)

    Os estudos anteriores à pesquisa liderada pelo Dr. Seth Pollak evidenciam que
    Escolha uma alternativa para a questão 7004b66b-06
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Conjunções | Conjunciones

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Conjunções | Conjunciones

    En la pregunta retórica de las (líneas 5-8) “¿Será que el exceso de tecnología está generando un movimiento contrario, un retorno a las labores manuales, un uso de las manos -no para hacer clic-, sino para crear belleza?” la conjunción sino que aparece en negrita puede reemplazarse por
    Escolha uma alternativa para a questão 70063c64-f5
  • Linguagens

    Espanhol

    Figura 1 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Figura 2 de 2 da questão de Espanhol, PUC - RJ 2019, Interpretação de Texto | Comprensión de Lectura

    Marque la única alternativa donde hay el mismo valor semántico está correcta:
    Escolha uma alternativa para a questão 7009f218-f5
  • Linguagens

    Inglês

    Leia o texto para responder à questão.


        Poverty may hinder kids’ brain development, study says

        Reduced gray matter, lower test scores reported for poor children

    July 20, 2015


    Imagem da questão de Inglês, UNIFESP 2015, Palavras conectivas | Connective words


        Poverty appears to affect the brain development of children, hampering the growth of gray matter and impairing their academic performance, researchers report. Poor children tend to have as much as 10 percent less gray matter in several areas of the brain associated with academic skills, according to a study published July 20 in JAMA Pediatrics. “We used to think of poverty as a ‘social’ issue, but what we are learning now is that it is a biomedical issue that is affecting brain growth,” said senior study author Seth Pollak, a professor of psychology, pediatrics, anthropology and neuroscience at the University of Wisconsin-Madison.

       The results could have profound implications for the United States, where low-income students now represent the majority of kids in public schools, the study authors said in background information. Fifty-one percent of public school students came from low-income families in 2013.

        Previous studies have shown that children living in poverty tend to perform poorly in school, the authors say. They have markedly lower test scores, and do not go as far in school as their well-off peers.

        To see whether this is due to some physical effect that poverty might have on a child’s brain, Pollak and his colleagues analyzed MRI scans of 389 typically developing kids aged 4 to 22, assessing the amount of gray matter in the whole brain as well as the frontal lobe, temporal lobe and hippocampus. “Gray matter contains most of the brain’s neuronal cells,” Pollak said. “In other words, other parts of the brain – like white matter – carry information from one section of the brain to another. But the gray matter is where seeing and hearing, memory, emotions, speech, decision making and self-control occur.”

        Children living below 150 percent of the federal poverty level – US$ 36,375 for a family of four – had 3 percent to 4 percent less gray matter in important regions of their brain, compared to the norm, the authors found. Those in families living below the federal poverty level fared even worse, with 8 percent to 10 percent less gray matter in those same brain regions. The federal poverty level in 2015 is US$ 24,250 for a family of four. These same kids scored an average of four to seven points lower on standardized tests, the researchers said.

        The team estimated that as much as 20 percent of the gap in test scores could be explained by reduced brain development. A host of poverty-related issues likely contribute to developmental lags in children’s brains, Pollak said. Low-income kids are less likely to get the type of stimulation from their parents and environment that helps the brain grow, he said. For example, they hear fewer new words, and have fewer opportunities to read or play games. Their brain development also can be affected by factors related to impoverishment, such as high stress levels, poor sleep, crowding and poor nutrition, Pollak said.

        This study serves as a call to action, given what’s already known about the effects of poverty on child development, said Dr. Joan Luby, a professor of child psychiatry at Washington University School of Medicine in St. Louis. “The thing that’s really important about this study in the context of the broader literature is that there really is enough scientific evidence to take public health action at this point,” said Luby, who wrote an editorial accompanying the study. “Poverty negatively affects brain development, and we also know that early interventions are powerfully effective,” Luby said. “They are more effective than interventions later in life, and they also are cost-effective.”


    (www.nlm.nih.gov. Adaptado.)

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    VETERE, Iselle. Claves para mejorar la relación. Disponível em:  <http://www.tnrelaciones.com/claves_pareja/index.html>. Acesso em: 27/05/ 2011. Adaptado.


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