PrepTest 121, Section 2, Question 17
According to the theory of gravitation, every particle(447 more words not shown)
The author's attitude toward oscillation(7 more words not shown)
- Asatisfied that it(9 more words not shown)
- Bhopeful that it(10 more words not shown)
- Cconcerned that it(13 more words not shown)
- Dskeptical that it(7 more words not shown)
- Econvinced that it(6 more words not shown)
Reading the passage
The question asks about the writer's attitude toward oscillation. Whatever doubts I raised during the read-through, the writer reports “experimental confirmation” and uses the transformation as evidence for neutrino mass. So I expect acceptance of the phenomenon and of that implication.
Working the answers
- ACorrect
This gives both pieces: oscillation occurs, and it suggests that neutrinos have mass. That matches the third paragraph's account of the experiment and why it matters.
- B
The ending expresses hope about a broader understanding of elementary particles. It doesn't specifically say oscillation will help discover other forms of dark matter. That adds a particular future use.
- C
No recurring misinterpretation of oscillation is described. The 20 percent limit is the writer's own qualification, not a warning that others routinely misunderstand the experiment.
- D
My skepticism is not the writer's attitude. The experiment is presented as confirmation, not as an unverified event whose occurrence the writer doubts.
- E
Finding evidence in an experiment doesn't show that oscillation cannot occur outside one. The account describes neutrino types changing as they travel through space.
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