Lesson 2
50
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ARCO
■
SAT II Subject Tests
37. The correct answer is (A). The sentence is correct as written. The changes
in the order of the words
suggested by the other answer choices result in sentences that are awkward or not idiomatic.
38. The correct answer is (D). This is a pronoun, and a pronoun must have a referent. What noun is
this
replacing? You can’t
find one, so you must eliminate it. But you must also make sure that the result
has a main clause. (D) accomplishes both tasks. (B) and (C) are wrong because
so and
thus are
superfluous and disrupt the logical flow of the sentence. (
So and
thus are
usually used as a transition
between independent clauses.) With (E), the underlined part is turned into a clause, so the whole is
left without a main clause.
39. The correct answer is (C). The difficulty with the original is that the final
relative clause introduced
by
which has no logical connection to the rest of the sentence, because
which lacks
an unambiguous
referent. (C) corrects this by starting a new clause with its own noun subject. Simply substituting
that
for
which does not eliminate the problem, so (B) is wrong. (D) is wrong
because the result is a
participial phrase with no connection to the rest of the sentence. And (E) is wrong because it changes
the intended meaning of the original sentence; it implies that the E.P.A. will break down the dioxin.
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