SAT Sentence Completion Practice Question 119: Answer and Explanation

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Question: 119

12. Much of our knowledge of dinosaurs comes from excavated bones, which, in ------- other clues such as fossilized tracks and eggs, help us to ------- the evolution of these creatures.

A. convergence with . . supplant
B. divergence from . . decode
C. dependence on . . belie
D. opposition to . . amplify
E. conjunction with . . trace

Correct Answer: E

Explanation:

Explanation for Correct Answer E :

Choice (E) is correct. "Conjunction with" means together with. "Trace" means track or follow. If one were to insert these terms into the text, the sentence would read "Much of our knowledge of dinosaurs comes from excavated bones, which, in conjunction with other clues such as fossilized tracks and eggs, help us to trace the evolution of these creatures." The first missing term suggests that knowledge and clues come together. The second missing term indicates what the knowledge and clues enable people to do. It makes sense to say that knowledge and clues work together to enable people to trace the evolution of dinosaurs.

Explanation for Incorrect Answer A :

Choice (A) is incorrect. "Convergence with" means come together with. "Supplant" means replace. If one were to insert these terms into the text, the sentence would read "Much of our knowledge of dinosaurs comes from excavated bones, which, in convergence with other clues such as fossilized tracks and eggs, help us to supplant the evolution of these creatures." The first missing term suggests that knowledge and clues come together. The second missing term indicates what the knowledge and clues enable people to do. Supplant does not make sense in the sentence because evolution cannot be replaced.

Explanation for Incorrect Answer B :

Choice (B) is incorrect. "Divergence from" means departing from. "Decode" means to put a coded message into plain language. If one were to insert these terms into the text, the sentence would read "Much of our knowledge of dinosaurs comes from excavated bones, which, in divergence from other clues such as fossilized tracks and eggs, help us to decode the evolution of these creatures." The first missing term suggests that knowledge and clues come together. The second missing term indicates what the knowledge and clues enable people to do. Knowledge and clues would enable people to decode how dinosaurs evolved However, "divergence from" does not suggest that the knowledge and clues are coming together.

Explanation for Incorrect Answer C :

Choice (C) is incorrect. "Dependence on" means leaning on. "Belie" means contradict or fail to confirm. If one were to insert these terms into the text, the sentence would read "Much of our knowledge of dinosaurs comes from excavated bones, which, in dependence on other clues such as fossilized tracks and eggs, help us to belie the evolution of these creatures." The first missing term suggests that knowledge and clues come together. The second missing term indicates what the knowledge and clues enable people to do. Bones themselves would not depend on clues. Additionally, while knowledge and clues might belie, or contradict, evolutionary theories, they do not belie evolution itself.

Explanation for Incorrect Answer D :

Choice (D) is incorrect. "Opposition to" means against. "Amplify" means make larger or greater. If one were to insert these terms into the text, the sentence would read "Much of our knowledge of dinosaurs comes from excavated bones, which, in opposition to other clues such as fossilized tracks and eggs, help us to amplify the evolution of these creatures." The first missing term suggests that knowledge and clues come together. The second missing term indicates what the knowledge and clues enable people to do. People cannot amplify the evolution of creatures.

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