已知抛物线与x轴两交点分别是（-1，0），（3，0）另有一点（0，-3）也在图象

Welcome to our school. You can do a lot of things here. Come and join us.

Timetable
Sunday 8:30---11:30 Personal Inventions You can see many inventions by the students; you may also bring your own inventions.	Monday 19:00---21:00 Space and Man Dr. Thomas West If you want to know more about the universe（宇宙）.
Wednesday 19:30---21:00 Modern Medicine Mrs. Lucy Green Would you like to know medical science?	Friday 18:30---21:00 Computer Science Mr. Harry Morison from Harvard University Learn to use Windows XP.

 
小题1:You may have a chance to introduce your inventions on _________.

A．Sunday

B．Monday

C．Wednesday

D．Friday

小题2: The person who teaches Computer Science is from___________.

A．Canada

B．Australia

C．New Zealand

D．America

小题3: You may learn something about a disease called TB from __________.

A．Dr. West

B．Mr. Morison

C．Mrs. Green

D．Mr. Thomas

小题4: If you want to learn something about satellites（卫星）, you can go to the class from______.

A．8:30 to 11:30 on Sunday	B．19:00 to 21:00 on Monday
C．19:30 to 21:00 on Wednesday	D．18:30 to 21:00 on Friday