大学英语听说教程第三册unit6.ppt

Watch and Imitate Snowstorm Conflagration Mud-rock flow Sand storm Desertification Acid rain Lightening strike Global warming Always focus on key words P82 Listen to the paragraph associated with them and try to understand its general ideas. Please answer the following questions. What is the word from scientists and politicians/ What makes the present situation different from that of the past? What books should we get in a library for self-protection information? Short Conversations P83 1. W: We were struck by an earthquake last week, storms this week, and reports show a tornado is on its way! What did we do to deserve this? M: Deserve has nothing to do with it. It’s nature. We’ve just got to ready ourselves against it. Q: How does the man feel? 2. W: I’m worried our home won’t stand up to an earthquake if one should come. M: Perhaps not. But I built it to withstand a flood, and I think it should do that just fine. After all, floods are our concern in this region, not earthquakes. Q: What was the man thinking about when he built his house? 3. W: Did you see the news? An earthquake hit Japan today. M: Oh, that’s terrible. Just a week ago, there were earthquakes in the US and China. I hope we can learn to protect ourselves from them. Q: What is the conversation about? 4. M: Many voters are concerned about the rising costs of fuel. W: I think they’re being a little shortsighted. Rising fuel costs are good for the environment, because higher costs force people to consume less resources. Q: What can be inferred from the conversation? 5. W: Is it just my imagination, or are the winters not as cold as they used to be? M: I don’t think you’re imagining it. Many other people are saying the same thing. And some are worried that it’s signaling something bad to come. Q: What do some people expect? 6. M: If anyone knows a better energy source than oil, share your idea with the class. W: I might have an answer. Wind power is renewable, clean and can be obtained in mo