同一批资料对回归系数β和相关系数r作假设检验，其结论是（）。

A.是相同的

B.是不同的

C.不一定相同

D.肯定不同

E.r为负β为正

给出下列句子的汉语意思。

1. It's not Spring Festival now.

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2. I like green dogs and blue cats.

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3. We play table tennis every Sunday morning.

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4. Pass me the rice, please.

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5. The lion runs fast.

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6.  We eat peanuts and sweets.

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