题目 1　某校的 80名同学与 2名老师共82人去公园春游 ,学校只准备了 180瓶汽水 .总务主任向老师交代 ,每人供应 3瓶汽水 (包括老师 ) ,不足部分可到公园里购买 ,回校后报销 .到了公园 ,商店贴有告示 :每 5个空瓶可换一瓶汽水 .于是要求大家喝完汽水后空瓶由老师统一退瓶 .那么 Topic 1 80 students and 82 teachers from a school went to the park for a spring visit. The school only prepared 180 bottles of soft drinks. The General Affairs Officer confessed to the teacher and provided 3 bottles of soft drinks (including teachers) for each person. The insufficient part was available in the park. After the purchase, I will be reimbursed after returning to school. At the park, the store has posted a notice: Every five bottles can be replaced with a bottle of soda. Then we ask everyone to drink the bottle of soda after the soft drink.