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There are three different issues here. The first is that the verb to be chosen must be singular because the subject is RATIO. The second is the choice of either IS or HAS BEEN. Clearly, you must choose HAS BEEN because the sentence is talking about something that has been the case SINCE 1960 until t...

by fabiocafarelli

Wed May 04, 2016 3:13 am
Forum: Sentence Correction
Topic: Usage of since, always with present perfect?
Replies: 1
Views: 2808

I can understand your perplexity about this matter: a few decades ago, the form JAZZ PIANIST AND COMPOSER THELONIOUS MONK would have been considered hardly acceptable in educated writing, as it would have had to be preceded by the article THE. The dropping of the article is the result of the influen...

by fabiocafarelli

Wed May 04, 2016 2:17 am
Forum: Sentence Correction
Topic: Clarity between noun modifier and nouns
Replies: 1
Views: 1022

1. In the given sentence you should notice that there are two clauses before the first comma: RESEARCHERS SAY is the first, and the rest is an incomplete clause of condition: if allowed to remove and replace the discolored layer of varnish on the Mona Lisa . The clause is incomplete because it cont...

by fabiocafarelli

Wed May 04, 2016 1:45 am
Forum: Sentence Correction
Topic: subject less clause
Replies: 9
Views: 2733

1. In the given sentence you should notice that there are two clauses before the first comma: RESEARCHERS SAY is the first, and the rest is an incomplete clause of condition: if allowed to remove and replace the discolored layer of varnish on the Mona Lisa . The clause is incomplete because it conta...

by fabiocafarelli

Mon May 02, 2016 1:49 am
Forum: Sentence Correction
Topic: subject less clause
Replies: 9
Views: 2733

If certain things SHOW something TO HAVE BEEN in a particular place, the idea is that those things were in that place at some unspecified past moment. Thus, the sentence would be saying that at some time Wright's houses actually stood in the Wild West. This is directly contradictory of what the sent...

by fabiocafarelli

Sun May 01, 2016 8:40 am
Forum: Sentence Correction
Topic: Frank Lloyd Wright
Replies: 4
Views: 1850

During the late 1960's and 1970's, funding for space missions fell by nearly 70 percent from its peak in 1968 down to its nadir in 1977. A) During the late 1960's and 1970's, funding for space missions fell by nearly 70 percent from its peak in 1968 down to its nadir in 1977. B) During the late 196...

by fabiocafarelli

Sun May 01, 2016 2:28 am
Forum: Sentence Correction
Topic: Space mission funding
Replies: 2
Views: 1486

Ryonosuke Akutagawa's knowledge of the literatures of Europe, China, and that of Japan were instrumental in his development as a writer, informing his literary style as much as the content of his fiction. A) that of Japan were instrumental in his development as a writer, informing his literary styl...

by fabiocafarelli

Sun May 01, 2016 2:16 am
Forum: Sentence Correction
Topic: Ryonosuke Akutagawa's knowledge of the literatures
Replies: 1
Views: 1189

Option E is wrong for the following reason. It states that the drawings in the 1910 Wasmuth edition show his works to have been in the vast spaces of an imaginary Wild West . Thus, the drawings show the works TO HAVE BEEN in those spaces. This means that in the present (Present Simple: SHOW) the dra...

by fabiocafarelli

Sun May 01, 2016 1:23 am
Forum: Sentence Correction
Topic: Frank Lloyd Wright
Replies: 4
Views: 1850

Covering 71 percent of Earth’s surface, the oceans play an essential role in maintaining the conditions for human existence on land, moderating temperature by the absorption of heat and carbon dioxide, and giving pure water back to the atmosphere through evaporation. A) Covering 71 percent of Ear...

by fabiocafarelli

Sat Apr 30, 2016 1:41 am
Forum: Sentence Correction
Topic: Covering 71 percent of Earth’s surface
Replies: 3
Views: 5836

With corn, soybean, and wheat reserves being low enough so a poor harvest would send prices skyrocketing, grain futures brokers and their clients are especially interested in weather that could affect crops. A) being low enough so The form ADJECTIVE + ENOUGH + SO + NOUN (low enough so a ... harvest...

by fabiocafarelli

Sat Apr 30, 2016 1:23 am
Forum: Sentence Correction
Topic: With corn, soybean, and wheat reserves
Replies: 3
Views: 5334

The easiest way to resolve this question is through the correlative conjunctions NOT ... BUT that appear in the given sentence. Like other correlative conjunctions, these must be followed by a parallel structure. Eliminate A because not as a sign ... rather a sign omits BUT and is not parallel. Elim...

by fabiocafarelli

Tue Apr 26, 2016 11:05 am
Forum: Sentence Correction
Topic: Many experts regarded the large increase
Replies: 7
Views: 4607

C)one of the most significant developments of the nineteenth century, turned cotton cloth into an affordable, however costly previously, commodity Hi Experts , Just a quick clarification, in the above sentence HOWEVER can not be followed by semicolon because HOWEVER is a part of the single sentence...

by fabiocafarelli

Tue Apr 26, 2016 10:32 am
Forum: Sentence Correction
Topic: cotton gin
Replies: 3
Views: 1733

1. An assumption is a missing premise: one on which the validity of the conclusion depends. Thus, option C will not be the correct answer if does not validate the conclusion of the passage. 2. The conclusion here is that Sviatovin must have been written between 1165 and 1167 . The main premises supp...

by fabiocafarelli

Tue Apr 19, 2016 10:29 am
Forum: Critical Reasoning
Topic: An assumption - written in 1165 ~ 1167
Replies: 1
Views: 1295

Option C is wrong for the following reason. The sentence that it makes refers first to senior citizens with higher than average cholesterol and then to the notion that a predisposition to cardiovascular disease runs in the family . It connects the two with AND. But AND cannot connect them, because t...

by fabiocafarelli

Tue Apr 19, 2016 3:05 am
Forum: Sentence Correction
Topic: Senior Citizens
Replies: 1
Views: 1000

1. It would in my opinion be difficult to argue that this is an assumption question. The final sentence of the passage ends with BECAUSE. This means, first, that the conclusion is in the preceding part of the sentence, and second, that you must find a statement providing evidence for that conclusion...

by fabiocafarelli

Tue Apr 19, 2016 2:49 am
Forum: Critical Reasoning
Topic: An assumption- loss in computer industry
Replies: 3
Views: 2374