Choose A, B, C or D as the best answer.30. The author’s main argument is that __________.

Question

BlackTom AI · Accepted Answer

The author’s primary claim emphasizes that adopting clean energy is not enough by itself; we must consider which technologies are used, where they are sited, and how they are implemented.

1. Relevant knowledge points and concepts
- Main idea vs. supporting details: the main argument synthesizes the author’s overall position, while supporting paragraphs give examples (e.g., benefits and trade-offs of different technologies, local impacts, deployment methods).
- Trade-offs in environmental policy: choice of technology, siting, and method can change outcomes even within “clean” energy categories.
- Distinguishing absolute claims from nuanced positions: a nuanced thesis will stress conditions and qualifiers.

2. Step-by-step reasoning
- Identify the thesis: the prompt’s choices show one option that frames the issue as conditional and process-focused (A) and three alternatives that make categorical claims (B, C, D).
- Compare content: if the passage repeatedly weighed pros and cons of different renewables, discussed siting and implementation impacts, and recommended careful selection, the thesis is that it matters what, where, and how we deploy clean energy — matching A.
- Eliminate distractors: check whether the passage endorses solar/wind as best (B), calls for more research prior to any investment (C), or denies any clean energy exists (D). If the author neither elevates solar/wind exclusively, nor urges a pause on investment, nor fully rejects the concept of clean energy, those options conflict with the nuanced position.

3. Calculations/intermediate steps
- Not applicable (no numerical calculation required).

4. Why the correct answer is correct
- Option A captures a conditional, implementation-focused thesis: the author’s argument centers on the quality of choices (technology type, location, method), not merely the binary of clean vs. dirty energy.

5. Why other options are incorrect
- B is too specific and prescriptive (claims solar and wind are most acceptable), which would be evident only if the passage strongly prioritized them.
- C implies uncertainty and delay (more research before investing), which contradicts an argument that we should deploy clean energy thoughtfully now.
- D is absolutist (no environmentally ‘clean’ energy exists), whereas the author’s nuanced stance accepts clean energy but stresses careful choices.

6. Conclusion
The reasoning confirms option A is the author’s main argument. This matches the provided correct answer: a. It is not just about whether we employ clean energy, but what technologies, where and how.

Choose A, B, C or D as the best answer.30. The author’s main argument is that __________.单项选择题

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