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【单选题】
如果直线相关系数r=1，则一定有A.
SS总=SS剩
B.
SS剩=SS回
C.
SS总=SS回
D.
SS总>SS回
E.
选项都不正确
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举一反三
【单选题】Archimedes was a famous Greek mathematician and scientist. He was born around 287 BC and he died in the year 212 BC. Archimedes is most well-known for one specific idea that he came up with. 'Archimed...
A.
Archimedes
B.
Archimedes' Principle
C.
A gold and silver crown
D.
The king of Syracuse
【简答题】在实验过程中,数显电压表应选择 V档。
【单选题】Archimedes was a famous Greek mathematician and scientist. He was born around 287 BC and he died in the year 212 BC. Archimedes is most well-known for one specific idea that he came up with. 'Archimed...
A.
Archimedes
B.
Archimedes's Principle
C.
A Gold and Silver Crown
D.
The King of Syracuse
【单选题】Which of the following statements is true about the driver?
A.
He was not born in London.
B.
He's got a London accent.
C.
He came to London when he was thirteen.
【简答题】陈皮功能 ________________ 、 ________________ 。
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