皮皮学，免费搜题
登录
搜题
【多选题】
、单位职工的工资资料，如表4-2所示。 根据以上资料请回答：表4-2是按职工工资进行的统计分组，下列关于统计分组的说法正确的有（）。A.
统计分组的对象是总体
B.
统计分组应有分组标志
C.
统计分组将总体分成性质不同的若干部分
D.
统计分组将总体分成数量不同的若干部分
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A rock cracks when ______.
A.
rain falls
B.
it gets very hot
C.
it gets very cold
D.
either B or C
【单选题】The bag that my grandpa made for me ______ gets out of style, but it is still the best thing in my mind. [ ]
A.
usually
B.
normally
C.
gradually
【单选题】Grandpa gets very whenever he talks about the war in which he fought many years ago.
A.
emotional
B.
emotion
C.
feeling
D.
feel
【简答题】一个源程序文件可由一个或多个( )组成。
【单选题】Grandpa gets very _______ whenever he talks about the war in which he fought many years ago.
A.
superficial
B.
internal
C.
exclusive
D.
emotional
【单选题】All the members of the family went to the concert with the exception ______ the grandpa who's interested in movies.
A.
at
B.
for
C.
in
D.
of
相关题目：