During the summer holidays there will be a revised（修改过的）schedule（时刻表）of services for the students . Changes for dining-room and library service hours and for bus schedules will be posted on the wall outside of the dining hall . Weekly film and concert schedules which are being arranged will be posted each Wednesday outside of the student club .
In the summer holidays , buses going to the town center will leave the main hall every hour on the half hour during the day . The dining room will serve three meals a day from 7:00 a.m. to 7:00 p.m. during the week and two meals from noon to 7:00 p.m. on weekends the library will continue its usual hours during the week but have shorter hours on Saturday and Sundays . The weekend hours are from noon to 5:00 p.m.
All students who want to use the library borrowing services must have a new summer card . This announcement will also appear in the next week’s student newspaper .
1 The main purpose of this announcement is to       .
A. tell students of important schedule changes .
B. tell students of new bus and library services .
C. show the excellent services for students .
D. ask students to renew their library cards .
2 At which of the following times will the bus leave the main hall ?
A. 8:00 , 9:00 , 10:00, 11:00         B. 8:30 , 9:30 , 10:30 , 11:30
C. 8:30 , 9:00 , 9:30 , 10:00                D. 8:00 , 9:30 , 11:00 , 12:30
3 Times for films and concerts are not listed in this announcement
because       .
A. they are not to be announced           B. they are hard to arrange
C. the full list is not ready                   D. the full list is too long
4 In the summer holidays , the library will have       .
A. no special hours                             B. special hours on weekdays
C. special hours on weekends       D. special hours both on weekdays and weekends