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15.抗酸药的消化性溃疡治疗作用主要体现在（）
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Directions: Watch the video clip and do the exercises.（Children are exposed to advertisements of junk food, which is found related to the high rate of childhood obesity.）Marketers have been advertising to children for decades and now Americans are feeling its 1 _______. Today more than 20% of our youths are 2 _______ or obese. The weight gain starts in their toddler years and expands through adulthood. The question on all parents’ minds is what we should do to save our children from the growing epidemic in America. Reducing or 3 _____ food advertisements during children’s television time is just one link researchers found in preventing childhood obesity. Because of their age, children have fewer cognitive skills than adults do. This means they do not know exactly how to 4 _______ advertisements aimed at them and do not comprehend the selling intent of advertisers. Today we blame children-could-tell-the-food advertisements as the root cause for childhood obesity and childhood diabetes. It wasn’t until the 1970s that the marketers took a 5 _______ look at how they advertised to children. The first industry formed to regulate advertisements to children was the Children’s Advertisement Review Unit. It was created in 1974 and is still here today. It contains several 6 _______ who judge when advertisements to children are indeed misleading or 7 _______ and contact the companies to change or pull the advertisement. Recently they have been looking at how food advertisers could tell to children. This is due to the 8 _______ trend of childhood obesity in America coming into national attention. A response is this: four major food beverage companies — Coco-Cola, Mars, Hershey, and Cadbury Adams, USA — chose not to advertise to children any more. Other companies join this movement and decide they will 9 _______ nutritional standards on their products that will meet a certain low fat and sugar content when advertised to children. Although this is a step in the right direction, companies can still set their own 10 _______ of what they want to advertise to children.obese 极为肥胖的epidemic 流行病obesity 肥胖cognitive 认知的，认识能力的diabetes 糖尿病
施工进度计划检查与调整的主要内容，包括（）。
若已知砌筑砖墙产量定额为1.205m³/工日，则完成砌筑量855m³所需的总劳动量为（）工日。
某砌筑砖墙工程，需要总劳动量为200工日，一班作业，每天施工人数为20人，在施工天数为（）。
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