问题补充:
Old people need special care in winter, as they are very to sudden change of the weather.
A. sensitive
B. painful
C. attractive
D. familiar
答案:
(答案→)A. sensitive
B. painful
C. attractive
D. familiar
解析:词义辨析。A. 敏感的,易受伤害的 B. 痛苦的C .引人注目的 D. 熟悉的。句意:老人在冬季需要很好地照顾,因为他们非常容易受到天气突然变化的伤害。故选A。