Manhattan Prep - 5 Lb. Book of Gre Practice Problems 1,800 Practice Problems in Book and Online (Manhattan Prep 5 lb Series (2019 Edition))-Manhattan Prep (2019)
1st and 3rd only. The first statement is correct because some hunters are
taking more game birds than they should, causing the population of those
birds to decline. The second statement is wrong because the free rider
problem concerns people enjoying benefits improperly, not people paying
different but possibly proper amounts for the same service. The third
statement is correct because in this instance, the action of many free riders
leads to a systemic shutdown.
66.
(C). Choice (A) is wrong because nowhere in the passage is it stated that
free riders cannot be blamed. Choice (B) is wrong because nowhere in the
passage is it stated that free rider problems are not worth worrying about.
Choice (C) is correct because the first sentence of the last paragraph says that
“[i]n some cases, the free rider problem is viewed as a necessary cost of
government,” implying that in other cases, it is not. Choice (D) is incorrect
because national defense is cited as an example of the inevitability of free
rider problems, not as proof that they need to be stamped out as quickly as
possible. Choice (E) is incorrect because the passage does not discuss the
morality of free riders.
67.
1st only. Regarding the first statement, the first paragraph claims “modern
humans are known to have diverged hundreds of thousands of years before
modern humans left Africa.” To say that they diverged is to say that two
species share a common ancestry to that point. Regarding the second
statement, whether modern humans and Neanderthals interbred is a matter of
controversy (“The team’s conclusions were answered with skepticism on a
number of fronts”), and thus this answer cannot be definitely true. Finally,
Paabo asserts that Neanderthals and modern humans lived near one another,
but the rest of the passage says that his claims were “answered with
skepticism.” Though the passage does not say what his critics thought of that