IELTS reading main_idea Practice
電動車晚間充電的主要挑戰是什麼？
Question type: multiple choice · Difficulty: advanced
- A. 晚間電力成本高昂。
- B. 巨大、集中的需求高峰對電網造成壓力。
- C. 所有使用者缺乏可用的充電站。
- D. 車輛在一整天使用後充電速度緩慢。
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.