一、多样表达
1.blame v.                    责备
2.behavior n.                                      行为,举止
3.warning n.                                       警告
4.scold v.                                           斥责
5.appreciation n.                                 欣赏;鉴赏
6.experience n.                                   经历
7.give a closing address                       致闭幕词
8.follow orders from the voluntary organization
                                                           服从志愿者组织的指挥
9.fail to carry out one's duties              没有履行职责
10.display unacceptable behavior          有不端行为
11.damage the image of high school students
                                                           损害高中生形象
12.make a remark upon sth.                 就某事发表意见
13.be received with much appreciation
                                                           深受赞扬
14.eat one's words                              收回前言,承认说错
15.give sB.a sharp scolding               严厉训斥某人