会计考友 发表于 2012-8-15 12:40:43

新GRE小短文阅读练习题六十五

A certain type of dinnerware made in Ganandia contains lead.
Lead can leach into acidic foods, and Ganandians tend to eat
highly acidic foods.However, the extreme rarity of lead poison-
ing in Ganandia indicates that the dinnerware does not contain
dangerous amounts of lead.
Which of the following, if true, most seriously weakens the argu-
ment above?
    AThe dinnerware is produced exclusively for sale outside
       Ganandia.
    B Ganandian foodstypically are much more acidic than
       foods anywhere else in the world.
   CThe only source of lead poisoning in Ganandia is lead
       that has leached into food.
D   Most people who use the dinnerware are not aware that
       it contains lead.
   EAcidic foods can leach lead from dinnerware even if that
       dinnerware has a protective coating.
答案A
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