A tradução mais apropriada para hot air, no texto, é (A) conversa importante. (B) papo-cabeça. (C) assunto polêmico. (D) assunto da moda. (E) conversa fiada. INSTRUÇÃO: Leia o texto e responda às questões de números 81 a 84. How to Make Great Teachers By Claudia Wallis We never forget our best teachers - those who imbued us with a deeper understanding or an enduring passion, the ones we come back to visit years after graduating, the educators who opened doors and altered the course of our lives. I was lucky enough to encounter two such teachers my senior year in a public high school in Connecticut. Dr. Cappel told us from the outset that his goal was not to prepare us for the AP biology exam; it was to teach us how to think like scientists, which he proceeded to do with a quiet passion, mainly in the laboratory. Mrs. Hastings, my stern, Radcliffe-trained English teacher, was as devoted to her subject as the gentle Doc Cappel was to his: a tough taskmaster on the art of writing essays and an avid guide to the pleasures of James Joyce. Looking back, I’d have to credit this inspirational pair for carving the path that led me to a career writing about science. It would be wonderful if we knew more about teachers such as these and how to multiply their number. How do they come by their craft? What qualities and capacities do they possess? Can these abilities be measured? Can they be taught? Perhaps above all: How should excellent teaching be rewarded so that the best teachers - the most competent, caring and compelling - remain in a profession known for low pay, low status and soul-crushing bureaucracy? Such questions have become critical to the future of public education in the U.S. Even as politicians push to hold schools and their faculty members accountable as never before for student learning, the nation faces a shortage of teaching talent. About 3.2 million people teach in U.S. public schools, but, according to projections by economist William Hussar at the National Center for Education Statistics, the nation will need to recruit an additional 2.8 million over the next eight years owing to baby-boomer retirement, growing student enrollment and staff turnover - which is especially rapid among new teachers. Finding and keeping high-quality teachers are key to America’s competitiveness as a nation. (Time, February 25, 2008.)
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Você esqueceu de colocar o texto para responder esta questão. Mas eu acredito que encontrei.
Floating a New Idea for Going Wireless, Parachute Included By Amol Sharma CHANDLER, Ariz. - Jeny Knoblach wants to bring wireless service to millions of rural Americans. His plan: Beam it down from balloons hovering at the edge of space. This isn’t just hot air. His company, Space Data Corp., already launches 10 balloons a day across the Southern U.S., providing specialized telecom services to truckers and oil companies. His balloons soar 20 miles into the stratosphere, each carrying a shoebox-size payload of electronics that acts like a mini cellphone “tower" covering thousands of square miles below. His idea has caught the eye of Google Inc., according to people familiar with the matter. The Internet giant - which is now pushing into wireless services - has considered contracting with Space Data or even buying the firm, according to one person. (The Wall Street Journal, February 20, 2008.)
Todos os sentidos presentes nas alternativas podem significar hot air. Mas, neste caso a única alternativa possível é a letra “E- CONVERSA FIADA”
Visto que no texto primeiro apresenta uma ideia considerada inviável para muitas pessoas : trazer serviço de internet sem fio para a área rural através do lançamento de balões no espaço.
Logo após apresentar a ideia, o autor utiliza a expressão “hot air”para indicar que não trata apenas de uma proposta mas sim de algo que já está sendo realizado.
Uma vez que no trecho seguinte ele afirma que a companhia de Amol lança 10 balões deste tipo por dia.
R. LETRA E - conversa fiada.