Reading Comprehension Quiz
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SYNTHESIS & APPLICATION
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PASSAGE
Passage A
Supporters of high-speed rail (HSR) investments argue that HSR can shift travelers from cars and short-haul flights to a lower-emissions mode, while also stimulating regional economic integration. They cite corridors where rail captured substantial market share after service improvements, and they emphasize that travel-time reliability can be as important as raw speed. Yet the climate benefits depend on electricity generation mix and on ridership levels; a lightly used line powered by fossil-heavy grids may yield modest net reductions. Moreover, construction emissions and cost overruns complicate simple comparisons.
Accordingly, proponents recommend corridor selection based on projected demand, integration with local transit, and lifecycle emissions accounting. They also mention peripheral factors such as station-area zoning and procurement rules.
Passage B
Critics argue that HSR debates often treat mode shift as automatic, ignoring induced demand and land-use feedbacks. New rail capacity can encourage longer commutes and spur development patterns that increase total travel, potentially offsetting per-trip emissions gains. Additionally, the economic-development rationale can be overstated if benefits accrue mainly to already prosperous hubs while smaller cities become "bedroom communities."
These critics favor evaluation frameworks that model behavioral and land-use responses: changes in trip frequency, relocation decisions, and housing prices near stations. They also urge comparing HSR to incremental upgrades of conventional rail, bus rapid transit, or demand-management policies. HSR may be justified in specific corridors, but its merits should be assessed through net system effects rather than through ridership projections alone.
Which one of the following best compares the approaches taken in Passage A and Passage B?
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