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【单选题】
以下关于 CSS 中的颜色表示合法的是:A.
rgb(12%,-20%,7%)
B.
rgb(258,222,0)
C.
#123456
D.
#FEFE
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举一反三
【简答题】若算得一双变数资料，x与y的直线相关系数为r062.，经假设测验接受0:OH，则表明（ ）。 A.y与x呈线性负相关 B：y随x的增加而增加 C.y与x无任何关系 D：y与x无线性关系
【单选题】Which of the following is NOT true about drama according to the passage?
A.
It was thought to begin in the Roman Empire.
B.
It was thought to start the human interest in storytelling.
C.
It might come from rhythmical and gymnastic dances.
D.
It might come from imitations of animal movements and sounds.
【多选题】设r是变量X与Y的相关系数，则有（ ）。
A.
O≤r≤1
B.
R愈大，X与Y间线性关系愈强
C.
若r=0，则X与Y间无曲线关系
D.
r是无量纲的量
E.
若.r=1，则X与Y间无线性关系
【单选题】Ellie’s advertising division has been asked to provide a presentation regarding the three major media options they provide: print, television, and Internet. Which of the following would be the most ap...
A.
chronological
B.
topical
C.
spatial
D.
problem-solution
【单选题】If you _____ your homework by 7:00, you cannot watch the drama on TV. [ ]
A.
won't finish
B.
haven't finished
C.
didn't finish
D.
doesn't finish
【单选题】Ellie’s advertising division has been asked to provide a presentation regarding the three major media options they provide: print, television, and Internet. Which of the following would be the most ap...
A.
chronological
B.
spatial
C.
topical
D.
problem-solution
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