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Module6 Films and TV Programmes Ⅰ.阅读理解 阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。 A Let's face it.No one drinks diet soda for the taste.People drink diet soda in the hope that it will help them lose weight or at least keep them from gaining it.Yet it seems to have exactly the opposite effect，according to a new study. Researchers from the University of Texas said those who drank two or more diet sodas a day had waist size increases that were six times greater than those who didn't drink diet soda.“What we saw was that the more diet sodas a person drank，the more weight they were likely to gain，”said Sharon Fowler. The study was based on data from 474 participants in a large，ongoing research project，where the participants were followed for nearly 10 years. While the findings are surprising，they also offer some explanations. Nutrition expert，Melanie Rogers，who works with overweight patients in New York，has found that when patients are switched from regular to diet soda，they don't lose weight at all.“We weren't seeing weight loss necessarily，and that was confusing to us，”said Rogers. So why would diet soda cause weight gain？No one knows for sure yet，but it could be that people think they can eat more if they drink diet soda，and so over－compensate for the missing calories. | 
