给下列图片排序。    There are some special days in a year.New Year's Day is in January.Then Tree Planting Day comes after Women's Day.Children like June best.Because Children's Day is in June.Dragon Boat Festival (端午节) always comes after Children's Day.I like Children's Day，because I can play many games and get some gifts from my parents on that day.In September we have Teachers' Day.And in October，we have China's National Day.
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市一中准备组织学生及学生家长到武汉大学参观体验，为了便于管理，所有人员到武汉必须乘坐在同一列动车上；根据报名人数，若都买 一等座单程火车票需2556元，若都买二等座单程火车票且花钱最少，则需1530元；已知学生家长与教师的人数之比为2：1，安陆到武汉的动车票价格（动 车学生票只有二等座可以打6折）如下表所示：

6平方米=6000平方厘米．____（判断对错）

世界上岛屿最多的国家是（  ）

科学家用____的方法，可以帮助我们更好的辨别和研究动植物。