
-1


—________ you help me with my spoken English?
—No problem.
—______ you please take the dog for work?
—OK, but I have tofold the clothes first.




下列命题中,假命题是( )
某校七年级1班50名同学在“森林草原防灭火”知识竞赛中的成绩如表所示:
成绩  | 60  | 70  | 80  | 90  | 100  | 
人数  | 3  | 9  | 13  | 16  | 9  | 
则这个班学生成绩的众数、中位数分别是( )