741. The energy source on Voyager 2 is not a nuclear reactor, in which atoms are actively broken apart; rather a kind of nuclear battery that uses natural radioactive decay to produce power.
(A) apart; rather
(B) apart, but rather
(C) apart, but rather that of
(D) apart, but that of
(E) apart; it is that of
Solution:
OG Solution:
Choice B, the best answer, follows an idiomatic form of expression for paired coordinates--not X, but rather Y; here rather is optional but preferable because it helps establish a contrast between the two types of energy source. Choice A incorrectly uses a semicolon rather than a coordinating conjunction (but) to connect the coordinate parts; a semicolon should be used to join independent clauses. In choices C, D, and E, that of has no grammatical referent and thus produces illogical and incorrect sentences.
Sentence Correction - 1000 Questions with Solution:
(A) apart; rather
(B) apart, but rather
(C) apart, but rather that of
(D) apart, but that of
(E) apart; it is that of
Solution:
OG Solution:
Choice B, the best answer, follows an idiomatic form of expression for paired coordinates--not X, but rather Y; here rather is optional but preferable because it helps establish a contrast between the two types of energy source. Choice A incorrectly uses a semicolon rather than a coordinating conjunction (but) to connect the coordinate parts; a semicolon should be used to join independent clauses. In choices C, D, and E, that of has no grammatical referent and thus produces illogical and incorrect sentences.
Sentence Correction - 1000 Questions with Solution: