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Consumer products such as shampoos and sunscreens, even ones boosted as safer, may contain potentially harmful chemicals not lis

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问题     Consumer products such as shampoos and sunscreens, even ones boosted as safer, may contain potentially harmful chemicals not listed on their labels, according to a study out today that tested dozens of them. Chemicals that【C1】________hormones or affect health were found in all 42 of conventional products sampled, as well as in most—32 of 43—of the alternative products【C2】________as safer, including some by Seventh Generation, the study says. The scientific group studies the【C3】________between the environment and women’s health.
    "It was【C4】________," says Julia Brody, co-author of the findings. She says consumers using a typical array of products are【C5】________many harmful chemicals.
    Seventh Generation, which makes six of the alternative products tested, welcomed the study’s goal of educating consumers【C6】________questioned its method. Martin Wolf, its director of product sustainability, says the company【C7】________none of the chemicals the study found in three of its products. "The fact that trace amounts were found raises questions" about possible cross-contamination in either【C8】________or testing, he says. "There are so many【C9】________chemicals in this world that they’re finding their way【C10】________everything."
    John Spengler, a professor of environmental health at Harvard School of Public Health, who was not【C11】________the study, says the work is "very important" for improving health concerns and【C12】________companies to possible cross-contamination in products, whether from the supply【C13】________or the packaging. "You don’t want to worry people【C14】________a reasonable extent," he says, adding that trace amounts of some chemicals may not pose a problem.【C15】________. he says, there’s an "interactive" accumulating effect from broad use of chemicals,【C16】________it’s important to look at them as a group.
    The study, which tested for 66 chemicals and found 55 of them in the products, says sunscreens and fragrant products had the most【C17】________chemicals and some of the highest concentrations. Brody, who says there needs to be a more【C18】________listing and testing of a product’s ingredients,【C19】________consumers to use fewer products, seek plant based ingredients and rely on【C20】________water, baking soda and vinegar for cleaning.
【C5】
选项 A、exposed to
B、accompanied by
C、accustomed to
D、characterized by
答案A
解析 上文提到日常生活用品中发现影响健康的化学物质，说明消费者会接触到有害物质。A项exposed to意为“接触，暴露于”，符合语义逻辑。B项accompanied by“由……伴随”，消费者由化学物质伴随，语义不通。C项accustomed to“习惯于”，化学物质是经研究发现的，无从得知消费者是否习惯于这些化学物质。D项characterized by“以……为特征”，消费者以有害的化学物质为特征，语义不通。
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