【用戶】郵便局™の瑋
【年級】國三下
【評論內容】One important goal of green chemistry today is finding ways to stop the world’s dependence on petroleum.(C) they try to replace Petrolum
【用戶】Cassidy Tung
【年級】高二上
【評論內容】因為這句話: Since petroleum is expensive, toxic, and likely to be gone within decades, 因為石油又貴又有毒,而且在近十年快要被用完了。所以B是對的。C說要改善使用石油的方式,內文說要發展生化燃料取代石油,沒有要改善石油。