例
uncle
Play tennis
1
aunt
Playing football
2
sister
Playing basketball
3
teacher
Playing ping-pong
4
mother
Playing volleyball
例:My uncle is playing tennis.
某中学八年级一班突然出现10名流感患者,学校迅速采取了如下措施:①对该10名学生劝其离校治疗;②要求学生们戴口罩,在教室等公共场所消毒;③建议与该10名患者有密切接触的学生注射流感疫苗.请分析回答下列问题: