Select the sentence which includes hedging language.

Question

BlackTom AI · Accepted Answer

Hedging uses words such as may, might, could, appear, suggest, or possibly to signal uncertainty or to soften claims.

1. Relevant knowledge points and concepts
- Hedging: linguistic strategy to express tentativeness or limit the scope of a claim. Common hedging devices include modal verbs (may, might, could), qualifying adverbs (possibly, likely), and cautious verbs (suggest, appear).  
- Strong (non‑hedged) claims use definitive language (demonstrate, results in, is) and present assertions as facts.

2. Step‑by‑step reasoning
- Examine option a: "Regular exercise may improve cardiovascular health." The word may is a modal verb that explicitly expresses possibility rather than certainty → this is hedging.  
- Examine option b: "The findings of the study demonstrate that climate change results in more frequent and severe weather events." The verbs demonstrate and results in present a direct, certain causal claim with no qualifying language → not hedged.  
- Examine option c: "Starting a new job is stressful." The verb is and adjective stressful present a general, categorical statement with no qualifiers → not hedged.

3. Intermediate steps (identification of hedging markers)
- Identify modal/qualifier in each sentence:
  - a: may → hedging marker present.
  - b: demonstrate, results in → no hedging marker; assertive verbs.
  - c: is stressful → categorical assertion.

4. Why the correct answer is correct
- Option a contains the modal "may," which explicitly limits the claim to a possibility and therefore qualifies the strength of the assertion. That is the defining feature of hedging.

5. Why the other options are incorrect
- Option b uses strong, conclusive language ("demonstrate," "results in") that commits to causality; this is the opposite of hedging.  
- Option c states a general fact without qualifiers; it presents a definite assertion rather than a tentative one.

6. Conclusion
- Therefore the sentence that includes hedging language is a. Regular exercise may improve cardiovascular health. This matches the provided correct answer.

Select the sentence which includes hedging language.单项选择题

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