在统计分析中,为了使显著性检验的两类错误同时减少,可采取的措施是()。 A.增加人员

题型:单项选择题 A1型题

问题:

在统计分析中,为了使显著性检验的两类错误同时减少,可采取的措施是()。

A.增加人员和设备

B.降低实验误差

C.提高显著性水平

D.增加样本含量

E.降低系统误差

考点:卫生资格考试(中初级)公卫相关专业知识公共卫生主治医师相关专业知识考前冲刺(三)
题型:单项选择题 A1型题

常用平衡训练中,“坐位平衡训练”属于()

A.应用设备的平衡训练

B.增加复杂性的平衡训练

C.根据状态进行的平衡训练

D.根据训练目的进行的训练

E.根据体位进行的平衡训练

题型:单项选择题 A1型题

激光主要有四大特性:()。

A、高强度、高方向性、高单色性和高相干性

B、高强度、高亮度、高单色性和高相干性

C、高亮度、高方向性、高单色性和高相干性。

题型:单项选择题 A1型题

What’s your earliest childhood memory Can you remember learning to walk Or talk The first time you heard thunder or watched a television program Adults seldom (1) events much earlier than the year or so before entering school, (2) children younger than three or four (3) retain any specific, personal experiences.

A variety of explanations have been (4) by psychologists for this "childhood amnesia". One argues that the hippo-campus, the region of the brain which is (5) for forming memories, does not mature until about the age of two. But the most popular theory (6) that, since adults don’t think like children, they cannot (7) childhood memories. Adults think in words, and their life memories are like stories or (8) one event follows (9) as in a novel or film. But when they search through their mental (10) for early childhood memories to add to this verbal life story, they don’t find any that fit the (11) It’s like trying to find a Chinese word in an English dictionary.

Now psychologist Annette Simms of the New York State University offers a new (12) for childhood amnesia. She argues that there simply aren’t any early childhood memories to (13) . According to Dr. Simms, children need to learn to use someone else’s spoken description of their personal (14) in order to turn their own short-term, quickly forgotten (15) of them into long term memories. In other (16) , children have to talk about their experiences and hear others talk about (17) — Mother talking about the afternoon (18) looking for seashells at the beach or Dad asking them about their day at Ocean Park. Without this (19) reinforcement, says Dr. Simms, children cannot form (20) memories of their personal experiences.

16()

A.senses

B.cases

C.words

D.aspects

题型:单项选择题 A1型题

按现行规定,以下表述正确的是( )。

A.企业可以预先按一定标准提取坏账准备金计入生产成本

B.当坏账实际发生时,再冲销已提取的坏账准备金

C.施工企业每年按照应收款项年末余额的2%提取坏账准备金

D.企业可以按销售收入的一建比例提取坏账准备金

题型:单项选择题 A1型题

急性广泛前壁心肌梗死患者,间歇心房颤动病史3年,出院前超声心动检查发现左心室附壁血栓,血栓附着部位向外扩张,呈矛盾运动

最可能的原因是()

A.心房颤动

B.室壁瘤形成

C.心力衰竭

D.卧床有关

E.抗凝治疗不足

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