事件题
describe an experience/trip/event....
解题思路：
1、direct answer
when/where/who/what，用一个从句说完
2、details
背景、发生细节、解释为什么发生、所经历的东西、个人感受、
3、对比
对比时间发生之前，对你的影响，心态的变化，行为习惯的变化等等
词汇积累：disposable chopstick, canteen, zip, flatter, in the near future, have a temperature, flu/cold, diarrhea, antibiotics, migrane, painkiller, kebab, cotton candy, marshmellow
