皮皮学，免费搜题
登录
搜题
【单选题】
统计整理主要是对( )的整理。A.
历史统计资料
B.
统计分析资料
C.
原始调查资料
D.
综合统计资料
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】For real numbers a and b, when is the equation ∣a+b∣=∣a–b∣true?
A.
Always
B.
Only when a=b
C.
Only when a=0 and b=0
D.
Only when a=0 or b=0
E.
Never
【单选题】Real competition can happen only when ______.
A.
academic standard is improved
B.
there are comparable schools with different educational qualities
C.
students have different interests
D.
schools of all areas have sufficient budget for their development
【单选题】Michael put me in a ______ position when we talked about the matter that day.
A.
real difficulty
B.
really difficulty
C.
really difficult
D.
real and difficult
相关题目：
参考解析：
知识点：
题目纠错 0
发布
