我们把能表示随机现象各种结果的变量称为随机变量。
正确
暂无解析
It____alsocreatemorefocusedteamsandlesswastedtime.
I____comeyesterday,butIcouldnot.
Schedulingameetingissimple-butdoesnotensure__itwillserveausefulpurpose.
Nutritiousrefreshment
Whattypesofsportsdoyoulikewatchingorplaying?(Why?)