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Question

Difficulty: EasyIdentifying Main Ideas and Supporting Details

Read the following excerpt from an article about urban transit in Bogotá, Colombia:

"Bogotá's new electric bus fleet and the TransMiCable cable car system have transformed daily life in the city's hillside communities. Previously, residents spent up to two hours commuting to the city center via congested roads. Now, the electric cable cars carry thousands of passengers daily in just under twenty minutes, significantly lowering greenhouse gas emissions. Local officials highlight that the project not only connects isolated neighborhoods to economic opportunities but also serves as a model for sustainable urban planning across Latin America."

Which of the following statements best identifies the main idea of this excerpt?

  1. A
    Bogotá's hillside residents previously spent up to two hours commuting via congested roads to the city center.
  2. The new electric transit initiatives in Bogotá have improved residents' commutes, reduced emissions, and served as a sustainable urban model.Answer
  3. C
    Local government officials plan to expand the electric bus fleet to eliminate all carbon emissions in Latin America.
  4. D
    Hillside commuters strongly prefer the cable car system over the electric bus fleet.

Answer

The new electric transit initiatives in Bogotá have improved residents' commutes, reduced emissions, and served as a sustainable urban model.
The correct option accurately synthesizes the core message of the passage: the positive impacts of Bogotá's electric transit developments on commute times, greenhouse gas emissions, and urban sustainability.

Step-by-Step Solution

1
Identify the primary topic and key details presented in the passage.
The passage describes the introduction of electric buses and cable cars in Bogotá, their impact on commute times and emissions, and their role as a model for sustainable development.
Understanding the scope of the passage helps distinguish the central thesis from supporting evidence.
2
Analyze the options to determine which statement represents the comprehensive main idea.
The option regarding the improvement of commutes, reduction of emissions, and serving as a sustainable model covers the entire scope of the text.
The main idea must synthesize all major supporting points rather than focusing on a single detail or making an unsupported claim.

Key Concept

Identifying Main Ideas and Supporting Details
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Topics

Identifying Main Ideas and Supporting Details

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