Question

High school students in America hear about twenty bells every day．The first bell is the tardy bell(上课铃)．If the students are not in their seats when the tardy bell rings，they know they are late．Another bell rings at the end of each class，and everyone leaves class quickly and goes to the next one．When students are in a difficult class，they are often happy to hear the bell ring，but if the class is interesting，they do not want the bell to ring．Most students like the lunch bell best．They know that it is time to join their friends for lunch．They buy a hot meal in the school dining-room(餐厅) or they bring their lunch from home in a big paper bag．

1.The first bell the students hear is the tardy bell．

2.The students will be happy to hear the ring in an interesting class．

3.The students like the lunch bell because they call have lunch with their friends.

4.Students in America usually have lunch at home．

5.The students hear about twenty bells every week．

Answer 1