Specific support for the thesis appears in the body paragraphs. How many body paragraphs usually appear in a short essay of about 700 words?

A.肥皂和水对手部进行清洁
B．快速手消毒剂
C．不洗手
D．流动水洗手+快速手消毒剂

A.心肺功能
B．身体状况
C．痰液黏稠度
D．活动能力
E．年龄