IELTS Reading main_idea Practice
What is the primary challenge associated with the evening charging of electric vehicles?
Question type: multiple choice · Difficulty: advanced
- A. The high cost of electricity in the evening.
- B. A massive, concentrated spike in demand that strains the grid.
- C. The lack of available charging stations for all users.
- D. The slow charging speed of vehicles after a full day's use.
Explanation Preview
Paragraph B clearly states that the main problem is a 'colossal, concentrated surge in electricity demand, coinciding precisely with the existing evening peak,' which 'posing a severe threat to grid stability.' This directly corresponds to option B.