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  3. As part of an ongoing campaign against polyvinyl chloride(聚氯乙烯), a Virginia-based environmental advocacy group today called on m

As part of an ongoing campaign against polyvinyl chloride(聚氯乙烯), a Virginia-based environmental advocacy group today called on m

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问题     As part of an ongoing campaign against polyvinyl chloride(聚氯乙烯), a Virginia-based environmental advocacy group today called on manufacturers and retailers to phase out its use in shower curtains. The Center for Health, Environment and Justice(CHEJ), released the results of a small study indicating that PVC(聚氯乙烯)-containing shower curtains are capable of emitting scores of potentially harmful materials, into people’s bathrooms. A previous study, conducted by Environmental Protection Agency researchers, also found that plastic shower curtains can emit toxic compounds into the air.
    There’s still debate among scientists about just how serious the health effects are especially at low doses. However, CHEJ urges consumers to avoid using PVC shower curtains, as well as many other PVC products.
    For people who are concerned about their shower curtains, there are alternatives. IKEA phased out PVC shower curtains 11 years ago, switching to ethylene vinyl acetate(乙烯醋酸共聚物). The company has said that 88 percent of its shower curtains would be PVC free by spring of 2008.
    Manufacturers are not required to label shower curtains, but some do list" PVC "or" vinyl" on the packaging. Numerous online retailers, sell shower curtains—primarily cotton or hemp—that are free of PVC. However, mildew(发霉)can be a problem with cotton and hemp products.
Is it easy for consumers to tell that a shower curtain is made from PVC?
选项 A、Yes, that information is always on the shower curtain label.
B、Not always, because shower curtains don’t have to be labeled.
C、Yes, but only if they’re made by IKEA after 2008.
D、No, because they only contain low doses of PVC.
答案B
解析 最后一段，第一句。并没有要求厂家一定要在浴帘上贴标签，但有些厂家的确在包装上打上含有聚氯乙烯的标签。所以消费者不会很清楚他所买的浴帘是否含有聚氯乙烯。选项B是正确的。
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