英国女王伊丽莎白二世经常说的一句英国谤语是 “节约便士，英镑自来”，每天深夜她都亲自熄灭白金汉宫小厅堂和走廊的灯，她坚持皇家用的牙膏要挤到一点不剩。上述材料给你的启示是（    ）

下列不属于我国北方地区共同具有的自然特征是（　　）

This is my school. There are many trees and flowers in it. The teaching building is big and tall. There is a big playground in our school. After 4:30 in the afternoon, many students come to the playground to play football and some students play table tennis in the table tennis room.
There are 1,200 students in 25 classes in our school. The students all like to study. The teachers in our school are very good. They help the students to study and the students like them, too.