24. Because capitals often attract a large population,

Question

BlackTom AI · Accepted Answer

Large populations in capitals often cause strain on urban systems, so "there can be many problems" is the natural conclusion.

1. Relevant knowledge points and concepts
- Urbanization: capitals concentrate people for jobs, services, and opportunities.
- Infrastructure capacity: transportation, housing, water, sanitation, and healthcare have limits.
- Supply–demand mismatch: faster population growth than service expansion produces shortages.
- Common urban problems: overcrowding, traffic congestion, housing shortages/slums, pollution, overloaded public services, unemployment and social tension.

2. Step-by-step reasoning
- Premise: Capitals attract a large population (given).
- Step 1: As population increases, demand for housing, transport, water, waste disposal, and health services rises.
- Step 2: If infrastructure and services cannot expand at the same rate, shortages and failures occur (e.g., long commutes, inadequate sanitation).
- Step 3: These shortages manifest as tangible problems: slums, traffic congestion, environmental degradation, higher crime rates, and strained public services.
- Conclusion: Therefore, because capitals often attract a large population, many problems can result.

3. Intermediate logical steps shown
- Attracts population → increased demand for resources.
- Increased demand > infrastructure capacity → service breakdowns.
- Service breakdowns → urban problems.

4. Why the correct answer is correct
Option c states a direct, realistic consequence of rapid in-migration to capitals: the emergence of many problems. This follows logically and empirically from the chain above, making it the best completion of the sentence.

5. Why other options are incorrect
- a. "they become economically strong." This can happen, but it is not a necessary or immediate consequence of population growth; economic strength depends on industries, investment, and policy, not just population size.
- b. "they provide many government jobs." Capitals may concentrate government jobs, but the statement "Because capitals often attract a large population, they provide many government jobs" reverses causality and is not the most direct or generally true consequence.

Conclusion: The best choice is c. there can be many problems. This matches the provided correct answer.

24. Because capitals often attract a large population,单项选择题

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