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15 Jun 2022, 00:10
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
61% (01:23) correct
39%
(01:24)
wrong
based on 167
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In 1910, radium, a luminescent radioactive element, was isolated as a pure metal by Marie Curie and André-Louis Debierne, which led to its industrial production.
A) In 1910, radium, a luminescent radioactive element, was isolated as a pure metal by Marie Curie and André-Louis Debierne, which led
B) In 1910, radium, a luminescent radioactive element, was isolated as a pure metal by Marie Curie and André-Louis Debierne, an advance that led
C) Marie Curie and André-Louis Debierne isolated radium, a luminescent radioactive element, as a pure metal in 1910, which led
D) Marie Curie and André-Louis Debierne isolated radium as a pure metal in 1910, a luminescent radioactive element, leading
E) Marie Curie and André-Louis Debierne who isolated radium, a luminescent radioactive element, as a pure metal in 1910, leading
15 Jun 2022, 00:14
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For forum member aspirants and non-experts:
All correct answers that contain good explanations will be awarded ONE KUDOS.
Exceptional answers may be "bumped" to Best Community Reply.
Kudos will be awarded after the OE is posted.
All correct answers that contain good explanations will be awarded ONE KUDOS.
Exceptional answers may be "bumped" to Best Community Reply.
Kudos will be awarded after the OE is posted.
15 Jun 2022, 00:33
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My answer is (B). It took me 47 seconds.
(A) "which" cannot refer to persons. Because of that, we can interpret that "which" refers to "a pure metal". Yet "a pure metal" cannot led to its industrial production. It is the discovery / advance that led to its industrial production.
(B) It is indeed the advance that led to its industrial production.
(C) "which" refers to either "1910" or "a pure metal", neither of which makes sense.
(D) What/who is "leading to its industrial production"? Not "a luminescent radioactive element" or "Marie Curie and André-Louis Debierne". "Leading ..." can also be used as adverbial phrase to modify "isolated", which might lend some support to this version. Still, it took quite some time for us to help the author to justify its sentence. It is no match for (B).
(E) Not a sentence.
(A) "which" cannot refer to persons. Because of that, we can interpret that "which" refers to "a pure metal". Yet "a pure metal" cannot led to its industrial production. It is the discovery / advance that led to its industrial production.
(B) It is indeed the advance that led to its industrial production.
(C) "which" refers to either "1910" or "a pure metal", neither of which makes sense.
(D) What/who is "leading to its industrial production"? Not "a luminescent radioactive element" or "Marie Curie and André-Louis Debierne". "Leading ..." can also be used as adverbial phrase to modify "isolated", which might lend some support to this version. Still, it took quite some time for us to help the author to justify its sentence. It is no match for (B).
(E) Not a sentence.
