Here is the bulletin board of Class 3. Some of the students put their notes on it. Please read them and answer the following questions.

小题1:The Chinese meaning of "bulletin board" is _______.
A.电影广告
B.寻人启事
C.公告栏
D.通缉令小题2:According to the notes on the bulletin board, what holiday might be coming?
A.Christmas
B.Halloween
C.Thanksgiving
D.New Year's Day小题3:When Julia is busy, what does Alex always help her do?
A.To do math homework.
B.To clean the windows.
C.To have P. E. class together.
D.To take books to school.小题4:From the bulletin board, we know that Mr Chen is a ___________.
A.repeater
B.P.E. teacher
C.doctor
D.pilot小题5:Why does Bill lend books to Mario?
A.They are classmates.
B.Miss Li wants him to do so.
C.Bill has too many books.
D.Mario forgot to bring his books to school.