已知偶函数f(x)=2sin(ωx+φ)(ω>0,0<φ<π)的最小正周期是π,

题型:填空题

问题:

已知偶函数f(x)=2sin(ωx+φ)(ω>0,0<φ<π)的最小正周期是π,则f(x)的单调递减区间为 ______.

考点:任意角的三角函数正弦、余弦函数的图象与性质(定义域、值域、单调性、奇偶性等)
题型:填空题

短文改错。

     英浯课上,老师要求同桌同学相互修改作文。假设以下小短文为你同桌所写,请你对其进行修改。

短文中共有10处错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加:在缺词处加…个漏词符号(∧),并在此符号下面写出该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下画一横线,并在该词下面写出修改后的词。

注意:1.每处错误及其修改均仅限一词。

          2.只允许修改10处,多者(从第11处起)不计分。

          3.必须按答题要求做题。否则不给分。

Dear Andy,

     I am glad to learn from that you are coming to China and will stay at my home. My parents and I are

very pleasing to have you with me. Now let me tell you that we have arranged for you. I know the school

would organize a lot of things for you do in the morning. In the afternoon, I'll show you around and take

you to some place of interest. We'll mostly stay at home in the evening watch TV, playing games, and

meeting people. I'm sure we'll have a wonderful time or enjoy each other's company.

     I'm looking forward very much to meet you soon.

                                                                                                                             Yours sincerely,

                                                                                                                             Zhao Mei

_____________________________________________________________________________________

题型:填空题

一重为G的小球,套于竖直放置的半径为R的光滑大圆环上,一劲度系数为k,自然长度为L(L>2R)的轻质弹簧,其上端固定在大圆环的最高点,下端与小球相连,如图所示,不考虑一切摩擦,求小球静止时弹簧与竖直方向的夹角。

题型:填空题

女性,47岁,心慌胸闷1个月就诊,心脏听诊发现第二心音固定分裂,最常见的疾病是()

A.完全性房室传导阻滞

B.风心病二尖瓣狭窄

C.房间隔缺损

D.甲亢性心脏病

E.结核性心包炎

题型:填空题

男性成人患者,为预防睾丸炎的发生,早期可应用()

A.己烯雌酚

B.丙酸睾丸酮

C.利巴韦林

D.地塞米松

E.抗生素

题型:填空题

行政赔偿的构成要件有()。

A、侵权行为主体包括行政机关及其工作人员、法律法规授权的组织、依委托行使行 * * 的组织

B、有违法行使职权的行为

C、有损害事实

D、违法行为和损害事实之间存在因果关系

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