【题目】I have a habit of taking a coffee, which makes me feel _____when I have to stay up late.
A. adequate B. pessimistic
C. sensitive D. Energetic
在线课程【答案】D
【解析】
试题分析：考察形容词辨析。A. adequate 足够的；B. Pessimistic悲观的；C. Sensitive敏感的；D. Energetic有活力的。该句意思为：我有喝咖啡的习惯，当我熬夜了的时候会让我感到精力充沛。根据句意故选D。