Question 15 and 16. Choose A, B or C as the best answer. 15. To achieve greater efficiency and cost-effectiveness, the speaker says carbon capture technology needs:

Question

BlackTom AI · Accepted Answer

The speaker states that "the technology needs further development to become more efficient and cost-effective," so the correct choice is c. further development.

1) Relevant knowledge points and concepts
- Distinguish between a current limitation (what is preventing wider use) and what the speaker recommends to fix it.
- The phrase “to become more efficient and cost‑effective” indicates a requirement for improvement of the technology itself (development), not simply an immediate scaling or cost-cutting measure.

2) Step‑by‑step reasoning
- The speaker explains why there are few large‑scale carbon capture projects: the technology is not yet efficient or cost‑effective.
- He then explicitly links the solution to improving the technology: it “needs further development” so it can reach the required efficiency and cost levels.
- Therefore the speaker recommends further development as the route to greater efficiency and cost‑effectiveness.

3) Calculations / intermediate steps
- No numerical calculations are involved. The logical chain is: current limitation (not efficient/cost‑effective) → required action (further development) → expected outcome (greater efficiency and cost‑effectiveness).

4) Why the correct answer is correct
- Option C exactly matches the speaker’s wording and intent: improving the technology through further development will make it more efficient and cost‑effective, which is the speaker’s recommended need.

5) Why the other options are incorrect
- Option A (large‑scale projects): This describes a situation that would follow once the technology is mature; the speaker says few large projects exist because the tech isn’t yet efficient/cost‑effective, not that large projects are what’s needed now.
- Option B (lower costs): While lower costs are a desired outcome, the speaker does not say “we need lower costs” as the direct action; instead he says the technology needs further development so it will become efficient and cost‑effective (which may lead to lower costs). The explicit recommendation is development, not merely cost reduction.

6) Conclusion
- The reasoning confirms that c. further development is the correct answer, matching the provided answer.

Question 15 and 16. Choose A, B or C as the best answer. 15. To achieve greater efficiency and cost-effectiveness, the speaker says carbon capture technology needs:Single choice

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