单选题 Some researchers feel that certain people have nervous systems particularly ______ to hot, dry winds. They are what we call weather-sensitive people.
【正确答案】 D
【答案解析】[解析] 本题中,D项vulnerable“易受攻击的,易受……的攻击”符合题意。其他三项 subjective“主观的,个人的”;subordinate“次要的,从属的,下级的”;liable“有责任的,有义务的,易……的”都不正确。