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第十八期：主餐一道：泛听练习
以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。
一、泛听建议：
1、完整听一遍，掌握大意。
2、继续听，特别注意关键信息。遇到相似的词，写下来。
3、复述新闻。
One of the experts who takes issue with Flegal's conclusions is Walter Willett of the Harvard School of Public Health. He's read her new paper and says he's not buying it.This study is really a pile of rubbish and no one should _1_ their time reading it.
Willet says it's not helpful to look simply at how peoples BMI's or body mass index influence their _2_ , as this paper did, without knowing something about people's health or fitness. Some people are thin because they're ill, so, of course they're at higher risk of dying.
The study doesn't tease this apart.Also, he says the analysis does not _3_ the bigger, more important issues of quality of life. If an overweight person does live longer, is he or she living with chronic diseases?
We have a _4_ other literature showing that people are gain weight or are overweight, have increased risk of diabetes, stroke, heart,stroke, many cancers, and many other conditions.
Willett says for listeners _5_ who want to know whether their body weight is a problem, one thing to do - rather than comparing your BMIto those around you - is to think about what you weighed when you were 20 years old.
For most people, our ideal weight - if we weren't seriously overweight at age 20 - is about what we weighed then. And that's why weight change is a good number to _6_ , because it can be an early warning sign.That you're on the path to more weight gain.
Now, not everyone's convinced the new paper is rubbish. Dr. Steven Hymsfield, of the Pennington Biomedical Research Center in Baton Rouge, says there are a couple of scenarios in which extra body weight might help people live longer.If you _7_ vulnerable bone, like the hip, that having a little extra fat there might protect you from hip fracture.
Or, he says, if an illness leaves you _8_ eat, extra body fat could be useful. Hymsfield acknowledges this is just speculation. He says while this paper won't end the debate over whether a little extra body fat could be a good thing, he says it does show that the relationship between weight and health may be more complicated than just a simple calculation.
词汇解析：
1、Rubbish：n. 垃圾，废物；废话adj. 毫无价值的
eg :Let's wheel the rubbish out.
咱们把垃圾推出去吧。
2、tease vt. 取笑；戏弄；梳理；
eg:He teased me mercilessly about going Hollywood.
他无情地取笑我想去好莱坞。
eg:Her hair was teased until it stood out and around her face.
她的头发被梳得直垂在脸旁。
3、chronic diseases：慢性病
4、BMI 身体质量指数 Body Mass Index
5、scenariosn. 情节；脚本；情景介绍（scenario的复数）
eg: The conflict degenerating into civil war is everybody's nightmare scenario.
这场冲突恶化成内战成为每个人的恶梦。
参考答案见下页
