连词成句。

1. I hope, Thursday, next, to my party, come, can, you

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2. me, pass, you, salt, some, could

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3. asking, me, your, party, thanks very much, for, to

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4. have a cup of tea, may, I, please

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5. speak to Bruce, I , could, please

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如果一个数列的自相关系数出现周期性变化，每间隔若干个便有一个高峰，表明该时间数列是趋势性时间数列。 ( )