假如你们学校要开展“创建和谐校园（to build a harmonious campus）”活动，请根据提示写一篇倡议书，号召大家为创建和谐校园而努力。要求：80词左右（短文开头已给出，不计入总词数）

提示：1、努力学习，参加课外活动；2、友爱互助，尊敬师长；3、爱护花草树木，不随地乱扔废弃物。

Our school is like our home. We should try to build up a harmonious campus.                                                                                                                                                                                                                                                                                                                                                                          

（）与凉水以1：2000或1：5000的溶液，5分钟之后可以冲洗皮肤的创伤。

A.高锰酸钾

B.抗生素

C.雄黄

D.白醋