对于函数f(x)=ax3,(a≠0)有以下说法: ①x=0是f(x)的极值点.

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问题:

对于函数f(x)=ax3,(a≠0)有以下说法:

①x=0是f(x)的极值点.

②当a<0时,f(x)在(-∞,+∞)上是减函数.

③f(x)的图象与(1,f(1))处的切线必相交于另一点.

其中说法正确的序号是______.

考点:函数的极值与导数的关系
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When I was growing up, I was embarrassed to be seen with my father. He (1) severely crippled and very short, and when we would walk together, his hand on my arm (2) balance, people would stare. I would inwardly be afraid (3) squirm at the unwanted attention. If he ever noticed or was bothered, he never let (4) .
It was difficult to coordinate (5) steps - his halting, mine impatient - and because of that, we didn’t say much as we went along. But as we started out, he always said, "You (6) the pace. I will try to adjust to you. "
Our usual walk was to or (7) the subway, which was how he got to (8) . He went to work sick, and (9) nasty weather. He almost never missed a day, and would (10) it to the office even if (11) could not: a matter of pride!
He never talked about himself as an object of pity, (12) did he show any envy of the more fortunate or able. What he looked for in others was a "good heart", and if he found one, the owner was good enough for him.
Now that I am older, I believe that is a proper standard (13) which to judge people, even though I still don’t know precisely (14) a "good heart" is. But I know the times I don’t have one myself.
He has (15) gone many years now, but I think (16) him often. I wonder if he sensed my reluctance to be seen with him during our (17) . If he did, I am (18) I never told him how sorry I was, how unworthy I was, how I regretted it. I think of him when I complain about trifles, when I am (19) of another’s good fortune, when I don’t have a "good heart".
At such times I put my hand on his arm to regain my (20) , and say, "You set the pace, I will try to adjust to you.\

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炸油条要用到面粉和花生油,它们分别来自(  )

A.小麦的胚乳

B.小麦的子叶

C.花生的胚乳

D.花生的子叶

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链霉素最主要的毒性反应是

A.听神经损害

B.胃肠道反应

C.骨髓抑制

D.肝损害

E.球后神经炎

题型:填空题

对侵犯他人商业秘密的不正当竞争行为,如何适用法律进行处理?

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华某系江塘市某化工厂制剂车间工艺员,负责工艺流程管理和记录,兼做清洗参观服等工作。2006年3月26日午休时,华某提水桶到蒸气阀口处接热水时,被蒸气烫伤,经诊断,华某全身烫伤22%。同年5月17日,华某父亲向江塘市劳动和社会保障局提出工伤认定申请,同年7月11日,该局根据《工伤保险条例》规定作出不予认定为工伤的决定,华某不服,向江塘市人民政府提出行政复议,复议机关维持原决定,华某仍不服,诉至法院。原告诉称,因上班时其工艺流程记录不能中断,所以原告上班时间无法清洗参观服,只有利用午休时间进行清洗。本人因工作受伤,理应认定为工伤,被告辩称,原告不是在上班时间被烫伤。而且原告无法证明其午休提热水是为清洗参观服,故不应认定工伤。

依法应当认定为工伤的情形是( )。

A.上班时间导致伤亡的

B.在工作时间和工作场所内,因履行工作职责受到暴力等意外伤害的

C.在上班时间前在工作场所内,从事与工作有关的预备性工作受到事故伤害的

D.在上下班途中,受到机动车事故伤害的

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