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1.1997年，苏格兰一组科学家的克隆实验使多利羊得以诞生。自那时以来，有关克隆人的激烈争论一直进行着。Dolly the sheep___1_acloningexperiment by a group of Scottish scientists in 1997. A fierce debate on human_2___has ever since been going on.contentiousclonepotentialresult fromin placeprocedureinvolveoppose totherapeuticreproductive

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2. 这一有争议的问题的焦点聚集在此项技术的伦理与社会含义上：此项技术会对人类生育、抚养孩子以及人的个性（individuality)等的真正意义带来什么影响。This____3issue has focused onethical and social implications of the technology: what the technology might do to the very meaning of human_4___, child rearing, individuality,et cetera.contentiousclonepotentialresult fromin placeprocedureinvolveoppose totherapeuticreproductive

3. 大多数科学家坚决反对繁殖性克隆，支持旨在治疗疾病的治疗性克隆。其理由是，治疗性的克隆技术不牵涉任何对人的生命的威胁，实际上还能为人们提供极大的缓解痛苦的可能。The majority of scientists are adamantly____5reproductive cloning and support_6_cloning for treating diseases. The reason is that therapeutic cloning does not__7any type of risk to human life and actually providestremendous_8___for the relief of suffering in human beings.contentiousclonepotentialresult fromin placeprocedureinvolveoppose totherapeuticreproductive

4. 他们相信有适当的政策和监管（monitoring)以确保治疗性克隆被安全地使用，我们都能从这一过程中受益。Scientists believe that with policies and monitoring___9_to ensure that therapeutic cloning is used safely, we can all benefit from this_10___.contentiousclonepotentialresult fromin placeprocedureinvolveoppose totherapeuticreproductive

[音频]Today, I'd like to talk about what happens when celebrity role models get behind healthy habits but at the same time (1) junk food? Currently, there is (2) criticism of Michelle Obama's “Let's Move!” campaign, which fights childhood obesity by encouraging youngsters to become more physically active, and has signed on singer Beyoncé, and basketball player Shaquille O'Neal, both of whom also endorse sodas, which are a major (3) to the obesity (4). Now there's a lot more evidence of how powerful a celebrity -- especially a professional athlete -- can be in influencing children's behavior.In a report published by the Rudd Center for Food Policy and Obesity at Yale University, researchers studied 100 professional athletes and their endorsement contracts. The team focused on athletes since they are (5) the best role models for active, healthy lifestyles for children. After sorting the deals by category, they determined that among the 512 brands associated with the athletes, most involved sporting goods, followed closely by food and (6) brands.Sports drinks, which are often high in sugar and calories, made up most of the food and drink deals, with soft drinks and fast food filling out the (7). Of the 46 beverages endorsed by professional athletes, 93% relied exclusively on sugar for all of their calories.It's no surprise that high profile athletes can influence children's eating behaviors, but the scientists were able to quantify how (8) these endorsements are in the children's environment. Advertisements (9) professional athletes and their endorsed products tend to get impressive (10), on TV, radio, in print and online. And in 2010, the researchers reported that children ages 12 to 17 saw more athlete-endorsed food and beverage brand commercials than adults.