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I'll be posting a set of flash card i've prepared for myself.
Quantity words - Singular OR Plural?
1. For pronouns such as "All", "Some", "Any", "Most", "None" (SANAM), determine whether the pronoun referring to something is COUNTABLE or not. If it is COUNTABLE, the sentence takes PLURAL verb. If it is NOT COUNTABLE, the sentence takes SINGULAR verb.
Examples: Some of the students in the class have taken exam. -- Students are COUNTABLE. Hence, it takes plural verb "have" Some of the grain was ruined in floods. -- Grain is NOT COUNTABLE. Hence, it takes singular verb "was".
2. With fractional expressions, determine verb by what is being measured: COUNTABLE or NOT.
Examples: Three-fifths of the students in the class have taken their exams. -- Students are COUNTABLE. Hence, it takes plural verb "have" Half of the grain was lost -- Grain is NOT COUNTABLE. Hence, it takes singular verb "was".
If you say "in contrast to", then you don't HAVE to mention both statistics... Although you still can mention.
Examples: "In contrast to the corresponding rate in Esteria, the unemployment rate in Burdistan fell last month." -- CORRECT! In this case, the "in contrast to" construction implies that the Esterian rate went up. We don't actually have to say this explicitly.
But, if you want, you can mention both statistics: "In contrast to the corresponding rate in Esteria, which rose by 0.5%, the unemployment rate in Burdistan fell by 0.3% last month." -- ALSO CORRECT!
Examples: "dioxins that north americans are exposed to" -- INCORRECT. "dioxins to which north americans are exposed" -- CORRECT
Gmat sc 1000 example question
A report by the American Academy for the Advancement of Science has concluded that much of the currently uncontrolled dioxins to which North Americans are exposed comes from the incineration of wastes. (A) much of the currently uncontrolled dioxins to which North Americans are exposed comes (B) much of the currently uncontrolled dioxins that North Americans are exposed to come (C) much of the dioxins that are currently uncontrolled and that North Americans are exposed to comes (D) many of the dioxins that are currently uncontrolled and North Americans are exposed to come (E) many of the currently uncontrolled dioxins to which North Americans are exposed come
The OA is E.
first, dioxins are countable (the fact that it's pluralized means that it's a countable noun). The sentence is referring to different dioxins, not the overall level of dioxin (which would be uncountable).
Second, "to which North Americans are exposed" not only uses the right idiom, it also avoids the issue of dangling participles (although the GMAT doesn't usually test on that issue, it's technically incorrect to end a sentence or clause with a preposition).
Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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Re: My collection of sc flashcards
03 Mar 2015, 02:25
http://blog.ryandumlao.com/wp-content/uploads/2016/05/IMG_20130807_232118.jpg The GMAT is the biggest point of worry for most aspiring applicants, and with good reason. It’s another standardized test when most of us...