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Difficulty:
5%
(low)
Question Stats:
87% (00:51) correct
13%
(01:02)
wrong
based on 1343
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The National Transportation Safety Board has recommended the use of fail-safe mechanisms on airliner cargo door latches assuring the doors are properly closed before takeoff and to prevent them from popping open in flight.
(A) assuring the doors are properly closed
(B) for the assurance of proper closing
(C) assuring proper closure
(D) to assure closing the doors properly
(E) to assure that the doors are properly closed
(A) assuring the doors are properly closed
(B) for the assurance of proper closing
(C) assuring proper closure
(D) to assure closing the doors properly
(E) to assure that the doors are properly closed
The correct choice will include to assure, an infinitive parallel to prevent. Thus, A, B, and C are disqualified.
Moreover, the participial phrases in A and C (assuring…), easily construed as adjectives modifying latches, are confusing.
Choices B and C are additionally faulty because, in omitting the noun doors, they fail both to specify what is being closed and to supply an antecedent for the pronoun them.
D offers the necessary infinitive, but the gerund phrase closing… imprecisely refers to the act of closing the doors rather than to the condition of the closed doors.
Choice E, with its idiomatic and precise noun clause, is the best answer.
https://www.nytimes.com/1989/08/25/us/cargo-door-latches-sought.html
The National Transportation Safety Board has recommended the use of ''fail-safe'' mechanisms on airliner cargo door latches to prevent the doors from popping open in flight and to assure that they are properly closed before takeoff.
Moreover, the participial phrases in A and C (assuring…), easily construed as adjectives modifying latches, are confusing.
Choices B and C are additionally faulty because, in omitting the noun doors, they fail both to specify what is being closed and to supply an antecedent for the pronoun them.
D offers the necessary infinitive, but the gerund phrase closing… imprecisely refers to the act of closing the doors rather than to the condition of the closed doors.
Choice E, with its idiomatic and precise noun clause, is the best answer.
https://www.nytimes.com/1989/08/25/us/cargo-door-latches-sought.html
The National Transportation Safety Board has recommended the use of ''fail-safe'' mechanisms on airliner cargo door latches to prevent the doors from popping open in flight and to assure that they are properly closed before takeoff.
16 Nov 2009, 23:16
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The National Transportation Bord has recommended [something] to X and Y.
The Y here is "to prevent them from...."
The answer requires parallelism and the only ones that provide that are D and E - "to assure".
Between D and E, D doesn't really make grammatical sense so answer is E.
The Y here is "to prevent them from...."
The answer requires parallelism and the only ones that provide that are D and E - "to assure".
Between D and E, D doesn't really make grammatical sense so answer is E.
16 Nov 2009, 23:48
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crazy18
to assure is parallel with to prevent. A,B,C - out
subjunctive = should be followed by "that", eg. propose that, recommend that, assure that etc.
E wins
