目前最为流行的红葡萄酒颜色评价方法是： A: CIELAB色空间法 B: Glories参数法 C: 拍照法 D: 比色法

Psychologically there are two dangers to be guarded against in old age. One of these is too great an absorption in the past. A: It is dangerous for old people not to face the harsh reality. B: It is dangerous for old people to look back on their past glories. C: One of the dangers is being interested in the present, not in the past. D: One of the dangers is living in memories, in regrets for the good old days.