听力原文： Man: And now with today's consumer report, here's Consumer Affairs Editor Alice Dunn to tell us about the nutritional value of bread. 2022-01-07 This view may be correct: it has the advantage that the currents are driven by temperature differences that themselves depend on the position of the continents. Such a back-coupling, in which the position of the moving plate has an impact on the forces that move it, could produce complicated and varying motions. 2022-01-07 听力原文： Hello everyone. Have you ever wondered what the weather is like in other places around the world？ Today, I'd like to talk to you about the changing seasons in my city which was the assigned topic for this class. 2022-01-07 In the atmosphere, carbon dioxide acts rather like a one-way mirror—the glass in the roof of a greenhouse which allows the sun's rays to enter but prevents the heat from escaping. 2022-01-07 I remember meeting him one evening with his pushcart. I had managed to sell all my papers and was coming home in the snow. It was that strange hour in downtown New York when the workers were pouring homeward in the twilight. I marched among thousands of tired men and women whom the factory whistles had unyoked. They flowed in rivers through the clothing factory districts, then down along the avenues to the East Side. 2022-01-07 Talks and Conversations 2022-01-07 The case for college has been accepted without question for more than a generation. All high school graduates ought to go, says conventional wisdom and statistical evidence, because college will help them earn more money, become "better" people, and learn to be more responsible citizens than those who don't go. 2022-01-07 Which of the following statements is true according to the passage？ ______ 2022-01-07 听力原文：As an increasing number of students now indulge themselves in cyber games, the government is taking measures to prevent students from haunting Internet bars. 2022-01-07 Talks and Conversations 2022-01-07