教育部下发的《关于进一步加强中小学生睡眠管理工作的通知》要求,初中生每天睡眠时间应达到9h.某初中为了解学生每天的睡眠时间,随机调查了部分学生,将学生睡眠时间分为A,B,C,D四组(每名学生必须选择且只能选择一种情况):
A组:睡眠时间<8h
B组:8h≤睡眠时间<9h
C组:9h≤睡眠时间<10h
D组:睡眠时间≥10h
如图1和图2是根据调查结果绘制的不完整的统计图,请根据图中提供的信息,解答下列问题:
(1)被调查的学生有人;
(2)通过计算补全条形统计图;
(3)请估计全校1200名学生中睡眠时间不足9h的人数.
---The sports shoes must be Linda’s.
---No,they_____be.They’re too small forher.
---What are the people in Korea supposed to do when they meet for the first time?
---They are supposed to_______.
---______do you go hiking?
---Once a week.
---_____did you tell him about the news?
---By____ane-mail.
---Wouldyoumind______yourbike?
--No,not at all.I’l lput it under the tree right away.
---Couldyoutellme_____?
---Becauseshelikesherstudentsverymuch.
---_____you_____outtheproblem,Sam?
---Notyet,butI’m going to.
---Someoftheplasticbagscan’t______afterJune1.
---Yes,peoplewilluseenvironmentalbagsinstead.
---Alltheclerkswenthome_____Mr.Wang.Why?
---Becausehehadtofinishhiswork.
---Can you_____your little brother?I’mbusynow.
---OK.I’ll do it right now.