一间宿舍可住多个学生，则实体宿舍和学生之间的关系是

A．一对一

B．一对多

C．多对一

D．多对多

Directions:

Study the following picture carefully and write an essay to

1) describe the picture briefly,

2) deduce the purpose of the drawer of the picture, and

3) suggest counter-measures.

You should write about 160--200 words neatly on ANSWER SHEET 2.