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23 Apr 2021, 04:30
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
73% (01:37) correct
27%
(01:46)
wrong
based on 99
sessions
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When testing the inactivated poliovirus vaccine that was licensed for a mass vaccination campaign in the United States in 1955, combined in it by the vaccine's creator, Jonas Salk, were three wild, virulent reference strains.
(A) When testing the inactivated poliovirus vaccine that was licensed for a mass vaccination campaign in the United States in 1955, combined in it by the vaccine's creator, Jonas Salk, were three wild, virulent reference strains.
(B) Combining three wild, virulent reference strains, a test of the inactivated poliovirus vaccine that was licensed for a mass vaccination campaign in the United States in 1955 that Jonas Salk created.
(C) When the inactivated poliovirus vaccine created by Jonas Salk was licensed for a mass vaccination campaign in the United States in 1955, three wild, virulent reference strains had been combined in it.
(D) Three wild, virulent reference strains, combined in Jonas Salk's test of the inactivated poliovirus vaccine in 1955, that was licensed for a mass vaccination campaign.
(E) When Jonas Salk tested the inactivated poliovirus vaccine that was licensed for a mass vaccination campaign in the United States in 1955, he combined in it three wild, virulent reference strains.
(A) When testing the inactivated poliovirus vaccine that was licensed for a mass vaccination campaign in the United States in 1955, combined in it by the vaccine's creator, Jonas Salk, were three wild, virulent reference strains.
(B) Combining three wild, virulent reference strains, a test of the inactivated poliovirus vaccine that was licensed for a mass vaccination campaign in the United States in 1955 that Jonas Salk created.
(C) When the inactivated poliovirus vaccine created by Jonas Salk was licensed for a mass vaccination campaign in the United States in 1955, three wild, virulent reference strains had been combined in it.
(D) Three wild, virulent reference strains, combined in Jonas Salk's test of the inactivated poliovirus vaccine in 1955, that was licensed for a mass vaccination campaign.
(E) When Jonas Salk tested the inactivated poliovirus vaccine that was licensed for a mass vaccination campaign in the United States in 1955, he combined in it three wild, virulent reference strains.
30 Apr 2021, 04:45
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Bunuel
OFFICIAL EXPLANATION
E
Not only is this a long, complicated sentence, but there are no patterns that jump out at you in the answer choices. Start by analyzing the sentence as written. It is incorrect due to the passive voice: "combined in it. . . were. . ." That error might recur, but the only way to find out is to analyze each of the other choices as well.
(B) is not a complete sentence. The phrase starting with "a test" is a modifier of the initial phrase, so there is no noun to pair with "combining". (C) is unlikely to be correct, as there are multiple instances of passive voice. The vaccine "was licensed", and three strains "had been combined in it". (D), like (B), is not a complete sentence. Read around the phrase "combined. . . 1955", and what's left still needs a verb. (E) finally solves all of these problems. There is a slight instance of passive voice ("was licensed") but nothing as bad as (A) or (C). It is a complete sentence, and it is clear that Salk did the combining of the strains. Choice (E) is correct.
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