PT135.S1.Q9 > Question

SECTION 1 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25

SECTION 2 · lr

SECTION 3 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2

Question 8 Question 9 Question 10 Question 11 Question 12 Question 13

PASSAGE 3

Question 14 Question 15 Question 16 Question 17 Question 18 Question 19

PASSAGE 4

Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Question 26 Question 27

SECTION 4 · lr

Paleontologists who believe that Apatosaurus could gallop are probably wrong. Experiments with modern bones show that Apatosaurus’s leg bones could not have withstood the strains of galloping. These experiments show that galloping would probably have broken Apatosaurus’s legs. Therefore, it is unlikely that Apatosaurus galloped.

The conclusion is the author’s opinion that some paleontologists are likely wrong in their belief that Apatosaurus could gallop.

This is a sub-conclusion of the argument, not the main conclusion. The claim that galloping would likely have broken Apatosaurus’s legs supports the main conclusion that the paleontologists are probably incorrect in hypothesizing that Apatosaurus could gallop.

This is an unstated premise—an assumption—that supports the argument’s sub-conclusion. Modern bone experiments only support the claim that Apatosaurus’s legs would have broken from galloping if it’s possible to calculate whether Apatosaurus’s leg bones could withstand the strain.

This correctly captures the stimulus’s main conclusion. The stimulus concludes that the claim made by some paleontologists that Apatosaurus could gallop is “unlikely,” or as (C) states, “likely to be incorrect.”

This is an unstated premise supporting the main conclusion. The author concludes that Apatosaurus probably couldn’t gallop because galloping would likely have broken its legs. This conclusion assumes that Apatosaurus wouldn’t have galloped if doing so would have broken its legs.

This is an unstated premise, which supports the stimulus’s sub-conclusion that galloping would likely have broken Apatosaurus’s legs. The experiments with modern bones support this sub-conclusion because the stimulus assumes that modern bones are similar to those of Apatosaurus.

PrepTest 135 - Section 1 - Question 9

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