Neighboring landholders: Air pollution from the giant
aluminum refinery that has been built next to our land is killing our plants.
Company spokesperson: The refinery is not to blame, since
our study shows that the damage is due to insects and fungi.
Which of the following, if true, most seriously weakens the
conclusion drawn by the company spokesperson?
(A) The study did not measure
the quantity of pollutants emitted into the surrounding air by the aluminum
refinery.
(B) The neighboring landholders
have made no change in the way they take care of their plants.
(C) Air pollution from the
refinery has changed the chemical balance in the plants’ environment, allowing
the harmful insects and fungi to thrive.
(D) Pollutants that are
invisible and odorless are emitted into the surrounding air by the refinery.（C）
(E) The various species of
insects and fungi mentioned in the study have been occasionally found in the
locality during the past hundred years.
我知道C是对的，但是为什么E不对呢？
 thanks
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发表于 2005-3-29 23:59:00
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