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  3. Parents who smoke often open a window or turn on a fan to clear the air for

Parents who smoke often open a window or turn on a fan to clear the air for

游客2024-02-21  21
问题     Parents who smoke often open a window or turn on a fan to clear the air for their children, but experts now have identified a related threat to children’s health that isn’t as easy to get rid of: third-hand smoke. That’s the term being used to describe the invisible yet poisonous gases and particles clinging (粘着) to smokers’ hair and clothing, not to mention cushions and carpeting, that stays long after second-hand smoke has cleared from a room. The remains include heavy metals and radioactive materials that young children can get on their hands and take into their body, especially if they’re crawling or playing on the floor.
    Doctors from MassGeneral Hospital for Children in Boston coined the term "third-hand smoke" to describe these chemicals in a new study that focused on the risks they pose to infants and children. The study was published in the latest issue of the journal Pediatrics. "Everyone knows that second-hand smoke is bad, but they don’t know about this," said Dr. Jonathan P. Winickoff, the lead author of the study and an assistant professor of pediatrics (儿科) at Harvard Medical School. "When their kids are out of the house, they might smoke. Or in the car, they put the kid in the car seat in the back and crack the window and smoke, and they think it’s OK because the second-hand smoke isn’t getting to their kids. We needed a term to describe these tobacco toxins that aren’t visible."
    The study reported on attitudes toward smoking in 1,500 households across the United States. It found that the vast majority of both smokers and nonsmokers were aware that second-hand smoke is harmful to children. Some 95 percent of nonsmokers and 84 percent of smokers agreed with the statement that "inhaling smoke from a parent’s cigarette can harm the health of infants and children". But far fewer of those surveyed were aware of the risks of third-hand smoke. Since the term is so new, the researchers asked people if they agreed with the statement that "breathing air in a room today where people smoked yesterday can harm the health of infants and children". Only 65 percent of nonsmokers and 43 percent of smokers agreed with that statement, which researchers interpreted as acknowledgement of the risks of third-hand smoke. [br] How do some parents protect their children from the harm of smoking?
选项 A、They smoke only when their children are not present.
B、They try to keep the smoke away from the children.
C、They choose to smoke second-hand cigarettes.
D、They buy masks specially designed for the children.
答案 B
解析 根据题干中的protect将本题出处定位到第二段。许多父母认为，只要孩子们不在屋里，或吸不到二手烟时，他们就可以吸烟。这就是一些父母保护孩子远离香烟危害的方法。[B]They try to keep the smoke away from the children对应文中的When their kids are out…they might smoke．Or in the car…the second-hand smoke isn’t getting to their kids，故答案为[B]。[A]只提到了前半部分，即When their kids…they might smoke，且太绝对，故可排除。
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