Many people have a _____. Some need glasses to read,or do not he

Many people have a _____. Some need glasses to read,or do not hear very well. Others may have difficulty in moving.(ability)
【正确答案】：disability
【题目解析】：后面的句子是对前面这个空的补充，它是对各个缺陷的详细说明，应填ability的反义词。答案为disability。