---You are always full of . Can you tell me the secret?
---Taking plenty of exercise every day.
A. power
B. strength
C. force
D. energy
网友回答
A. power
B. strength
C. force
(答案→)D. energy
解析：考查名词辨析：A. power能量，B. strength力量，C. force 武力，动力， D. energy精力，句意：--你总是经历充沛，能告诉我秘密吗？-每天锻炼。Be full of energy精力充沛，选D。