前不久,哥哥迷上了一种神奇的饮料——咖啡。到底有多着迷呢?他吃饭时喝一口,读书时喝一口,开心时喝一口,不开心时也要喝一口。总之,是离不开咖啡了。一天,我问哥哥为什么要喝那么多咖啡?哥哥说,他要参加高考了,必须要始终保持最佳状态来学习和复习,以备迎接考试。我就奇怪了,为什么咖啡可以让人精神焕发,提高人的学习、工作效率呢?带着这一连串的问题,我开 Not long ago, my brother fell in love with a magical drink - coffee. In the end how fascinated? He drank a meal, drink a book while reading, happy to drink, unhappy, also have a drink. In short, it is inseparable from the coffee. One day, I asked why my brother would drink so much coffee? My brother said he must attend the college entrance examination, and must always maintain the best condition to study and review to prepare for the exam. I was weird, why coffee can make people full of energy, improve people’s learning, work efficiency? With this series of questions, I open