题干

某单位有职工750人,其中青年职工350人,中年职工250人,老年职工150人,为了解该单位职工的心理状况,用分层抽样的方法从中抽取样本,若样本中的青年职工为7人,则样本容量为(  )

A:7

B:15

C:35

D:25

上一题 下一题 0.0难度 选择题 更新时间:2018-09-12 01:02:34

答案(点此获取答案解析)

B

同类题1

阅读理解

    “There's a mother in PICU(儿童重症监护病房)who wants to talk about a kit she received,” the nurse told me. “Something about it made her cry.”

    I've been a child-1ife specialist at the Cleveland Clinic Children's Hospital since 2000. I help families understand diagnoses and treatment plans and manage the ups and downs that come with caring for a sick child. Tough talks with parents are part of the job, which still makes me feel nervous.

    The kits the nurse was talking about were something I had recently introduced to the hospital: Comfort Kits from Guideposts. They were supposed to make a child's experience here easier, not upsetting.

    When I came across the kits at a conference. I fell in love with them. A treasure box of items designed not only to entertain kids, but to comfort and inspire them. There's a coloring book, a stress ball, a CD of relaxing music, a hairy star named Sparkle, a journal and much more. I really believed these kits would help kids. I wished I hadn't been mistaken.

    At the patient's room in PICU I saw a little girl, sleeping soundly, surrounded by tubes and machines. My eyes met her mother's. The kit was open on her lap and tears were running down her cheeks.

    “I'm Shannon. I manage the Child Life Department.” I said. “I'm sorry if the kit upset you .It's a new item…”

    The mother shook her head. “This has been one of the worst days of my life .I felt so scared and alone. Then I was handed this box. I know it's for my daughter, but it's just the comfort I needed. I wanted to say thank you.”

    With that I knew Comfort Kits belonged here. We've been using them for almost three years now. Each child who's admitted to the hospital receives one. Every day I see kids coloring, journaling, playing with Sparkle.

    But as this mom showed me Comfort Kits aren't just for kids. The hope they bring, which can be in short supply in hospitals sometimes, is felt by the whole family.

同类题5

阅读下面的文字,完成小题。

    中国民间剪纸艺术就是一种融物质文明和精神文明为一体,深深植根于民族土壤,广泛表现在民间信仰和生活习俗之中,鲜明地反映出我国民间广大民众最基本的心理特征和审美情趣、价值观念的民俗文化之一。因此,它是我国传统文化不可忽视的一部分。

    民间剪纸是劳动人民为满足精神生活的需要而创造,并在他们自己当中应用和流传的一种艺术样式。从艺术的角度看,民间剪纸艺术是属于精神文化的范畴,它是劳动人民集体创造出来,反映了我们民族的集体表象的一种文化模式。民间剪纸的作者们在创造时,从来没有任何政治功利,但有生活方面的功利意识潜入在其中。他们在创造时,往往让人(包括创造者自己)从中感受到一种审美情趣。这是由于它们适合于人的审美经验的审美心理而形成的美感。所以,自中国民间产生剪纸以来,人们一直将其作为一种象征性装饰物,尽管历代在造型样式和利用形式上不断发生更新和变化,可民间大众所赋予它的造型思维方式和特定的深层寓意内涵,却一直不变地流传至今。因此,可以说民间剪纸是一种大众艺术。

    从客观上说,中国民间剪纸是一种物承文化现象。它不仅有它的造型形式的传承,而且还有着它自身深层独有的特定内涵。从中国民间剪纸的纹饰寓意中,我们可以看到从中反映出来的中国民间图腾崇拜和宗教信仰的传承,以及当地民众的心理特征、生活追求和审美情趣。它是我们探寻本民族的民族渊源和原始文化的活证。例如“蛙”这一形象在民间剪纸中屡见不鲜,民间常将它视为一种威力的象征,看作是生活中最可靠的保护神,并将“蛙”这一自然中丑陋的动物形态,运用民间美术中的互渗造型手法,将其变为神圣、稚拙、亲切、动人、给人美感的剪纸花样,缝绣在孩童的枕头、围涎、肚兜、香包等衣物上,以希望孩子在“蛙”的保护下,茁壮成长,美满幸福。需要指出的是,“蛙”这一图腾物产生以来,因为囿于民间文化而没有上升到中国的上层文化之中,所以也就得不到龙凤那样由皇权所推崇的中华文化象征的地位。但是,作为一种原始图腾物,“蛙”这一形象虽然在中国上层文化中没有得到它应有的地位,却在民俗文化中得以流传,并保持了它的原始崇拜敬仰之地位。就这一文化现象看,开展对中国民间剪纸艺术的研究,有利于我们探索原始文化的演变。

    中国民间剪纸艺术和世界各地的许多民间艺术一样,都是原始文化的嫡传物。它作为民俗文化中的元素,紧紧地依附于当地的民俗活动之中。在它的意象符号中,不仅赋予了原始艺术符号对美好生活的祈求和追求美的质朴情感,而且有着强烈的“生命繁荣旺盛”的审美理想。这个审美理想来自民族、人类群体的基本追求,人们歌颂生命,赞美生的欢乐,追求着人生的幸福圆满、健康长寿,祈求家庭和睦多子、丰收安乐。在长期的文化积淀中,中国民间逐渐形成了一系列的艺术意象符号,如“凤穿牡丹”“莲花多子”“鸳鸯戏荷”“福寿双全”“瓜瓞绵绵”“如意似锦”“葫芦五毒”等等花色纹样的剪纸,并将这些民间剪纸融入到各种民俗事象活动中,来满足广大民众精神心理上的需要,以扶持人类的生存,充实人类的生活。