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Difficulty:
65%
(hard)
Question Stats:
45% (01:23) correct
55%
(01:23)
wrong
based on 187
sessions
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Lindane, a chemical used for both agricultural and pharmaceutical purposes, effectively treats maladies such as head lice and scabies, and it has long appeared that it was safe for use on children, but we now know that this is incorrect
A) has long appeared that it was safe for
B) has long appeared to have been safe for
C) has long appeared as being safe to
D) had long appeared safe to
E) had long appeared that is was safe to
A) has long appeared that it was safe for
B) has long appeared to have been safe for
C) has long appeared as being safe to
D) had long appeared safe to
E) had long appeared that is was safe to
This is a 800score.com questions; however, the solution provided doesn't convince me. I would really appreciate your analysis.
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27 Oct 2016, 13:09
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My analysis is below:
Lindane,
a chemical used for both agricultural and pharmaceutical purposes,
effectively treats maladies,
and it has long appeared [u]that it was safe for use on children,
but we now know that this is incorrect.
First, use of Present perfect is required to describe an action that started in the past and continues today. There are several mistakes here:
"has long appeared that it was safe for is wordy. "Has appeared" should be followed by an adjective (safe) - straightforward
Use of "for use on children' is unidiomatic. "Use to" is best to describe the action on children.
Also I think that the use of "this" in the non-underlined part is not correct. Demonstrative pronoun "this" should be followed by a noun. Alone can't be use to refer to a previous stated noun or clause.
According to 800score, the correct choice is D. However I think it is not correct to use Past perfect since there is no sequence of events.
My correct answer is the following:
Lindane, a chemical used for both agricultural and pharmaceutical purposes, effectively treats maladies such as head lice and scabies, and it has long appeared safe to use on children, but we now know that this belief/fact is incorrect
Lindane,
a chemical used for both agricultural and pharmaceutical purposes,
effectively treats maladies,
and it has long appeared [u]that it was safe for use on children,
but we now know that this is incorrect.
First, use of Present perfect is required to describe an action that started in the past and continues today. There are several mistakes here:
"has long appeared that it was safe for is wordy. "Has appeared" should be followed by an adjective (safe) - straightforward
Use of "for use on children' is unidiomatic. "Use to" is best to describe the action on children.
Also I think that the use of "this" in the non-underlined part is not correct. Demonstrative pronoun "this" should be followed by a noun. Alone can't be use to refer to a previous stated noun or clause.
According to 800score, the correct choice is D. However I think it is not correct to use Past perfect since there is no sequence of events.
My correct answer is the following:
Lindane, a chemical used for both agricultural and pharmaceutical purposes, effectively treats maladies such as head lice and scabies, and it has long appeared safe to use on children, but we now know that this belief/fact is incorrect
28 Oct 2016, 22:52
Kudos
Bookmarks
Lindane, a chemical used for both agricultural and pharmaceutical purposes, effectively treats maladies such as head lice and scabies, and it has long appeared that it was safe for use on children, but we now know that this is incorrect
A) has long appeared that it was safe for
B) has long appeared to have been safe for
C) has long appeared as being safe to
D) had long appeared safe to
E) had long appeared that is was safe to
IMO:- D
"Safe to use" is correct idiom. "Safe for" is to be followed by Noun. For e.g "Safe for Children" . Thus A & B gets eliminated.
"C" : being is awkward
"E" : "That is was safe" is ungrammatical
Thus we left with choice "D".
Experts , plz validate my reasoning.
A) has long appeared that it was safe for
B) has long appeared to have been safe for
C) has long appeared as being safe to
D) had long appeared safe to
E) had long appeared that is was safe to
IMO:- D
"Safe to use" is correct idiom. "Safe for" is to be followed by Noun. For e.g "Safe for Children" . Thus A & B gets eliminated.
"C" : being is awkward
"E" : "That is was safe" is ungrammatical
Thus we left with choice "D".
Experts , plz validate my reasoning.
