การเขียนเชิงบูรณาการ TOEFL

📖 เนื้อเรื่อง

The introduction of high-speed rail (HSR) systems in the United States has been a topic of debate. Proponents argue that HSR would bring significant economic, environmental, and social benefits. First, HSR would stimulate economic growth by creating jobs during construction and operation, and by boosting tourism and business travel between connected cities. Second, HSR is more environmentally friendly than air travel or driving, as it produces lower greenhouse gas emissions per passenger mile, thus helping to combat climate change. Third, HSR would reduce traffic congestion on highways and at airports, leading to shorter travel times and increased productivity for commuters and business travelers. These advantages make HSR an attractive investment for the future.

🎧 การบรรยาย

The lecture challenges the claims made in the reading about high-speed rail. While the reading suggests economic benefits, the professor points out that HSR projects often exceed budget estimates and require continuous public subsidies. For example, California's HSR project has faced massive cost overruns, and similar systems in Europe and Japan rely on government support, not private profit. Regarding environmental benefits, the professor argues that the construction of HSR involves significant carbon emissions from concrete and steel, and the energy efficiency depends on the electricity source. If the power comes from fossil fuels, emissions may be higher than those of modern, fuel-efficient cars or planes. Finally, the reading claims reduced congestion, but the professor counters that HSR mainly attracts passengers from existing rail or bus services, not drivers or air travelers. In fact, studies show that most HSR riders previously used conventional rail, so the impact on highway and airport congestion is minimal. Thus, the alleged benefits are overstated.