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【单选题】

Choose the sub-tree after applying 3+4 reconstruction to the tree above.
对以上子树进行3+4重构,得到的子树为:
A.
B.
C.
D.
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三
()是培养婴儿良好睡眠习惯不正确的表述。
A.
可以保证婴儿生长激素的分泌
B.
促进婴儿身高、体重的增长
C.
帮助婴儿调节情绪
D.
促进婴儿的语言能力的提高
婴儿采用()的方法与成人玩游戏是最常用的。
A.
在一边看,成人游戏
B.
听成人指挥
C.
骑在成人的肩膀上
D.
自己玩,成人在一边看
()时间婴儿会出现心理反抗期。
A.
1岁半到2岁半
B.
1岁左右
C.
新生儿期
D.
半岁以前
()才能使一对一入户教学在时间的安排上更合理化。
A.

在凉爽的时间段里去客户家里

B.
B、 按约定时间准时到达婴儿家庭,注意避开婴儿睡眠时间
C.
C、避开家庭中亲子交流的时间
D.
D、随时都可以
()与语言沟通是与婴儿沟通的主要方式。
A.
游戏交流
B.
生活协助
C.
观察
D.
非语言沟通
中国青年运动的突出特质是勇当先锋、()。
A.
勇于斗争
B.
埋头苦干
C.
勇挑重任
D.
艰苦奋斗
患儿呕吐腹泻1周,昏睡,尿量减少。皮肤弹性差,前囟明显凹陷,脉细速,四肢稍凉,测血钠125mmol/L。考虑为()
A.
中度低渗性脱水
B.
中度等渗性脱水
C.
中度高渗性脱水
D.
重度低渗性脱水
E.
重度等渗性脱水
2:3:1液张力为()
A.
2/3张含钠液
B.
1/4张含钠液
C.
1/2张含钠液
D.
1/3张含钠液
E.
等张含钠液
患儿女,6个月,母乳喂养,未添加辅食,面色苍白,诊断为营养性缺铁性贫血。经治疗有效,首先出现的变化是()
A.
血红蛋白上升
B.
红细胞上升
C.
网织红细胞上升
D.
淋巴细胞上升
E.
细胞内含铁酶活性开始恢复
70,原发性肾病综合征患儿发生低蛋白血症的主要原因是()
A.
肾小球毛细血管通透性增高
B.
大量血浆蛋白经尿中丢失
C.
肾小球基底膜通透性增高
D.
血浆胶体渗透压降低
E.
肝脏合成脂蛋白增加
学龄儿童每日尿量为多少称为少尿()
A.
400~500ml
B.
500~600ml
C.
300~400ml
D.
300ml
E.
400ml
麻疹合并的隔离期是()
A.
隔离至出疹后5天
B.
隔离至出疹后10天
C.
隔离至疹退后5天
D.
隔离至疹退后10天
E.
隔离至疹退后14天
95在小儿年龄阶段的划分中,新生儿期是指()
A.
从脐带结扎后到生后满30天
B.
从脐带结扎后到生后满28天
C.
从脐带结扎后到生后满两周
D.
从孕期28周到生后两周
E.
从孕期28周到生后1周
96小儿体格发育的两个高峰期是()
A.
学龄期、青春期
B.
学龄前期、学龄期
C.
幼儿期、青春期
D.
婴儿期、青春期
E.
新生儿期、学龄期
在公司企业的规定内可以得到兑现的承诺称为()。
A.
已确定的实效
B.
权限之内的补偿
C.
正品行货
相关题目:
【单选题】People with different educational experiences may develop different ______.
A.
language proficiency
B.
characteristics
C.
personalities and abilities
D.
friendship
【单选题】Choose the most appropriate answer by completing the sentences below or answering the questions.1. Boys and girls are different in developmental process. Which of the following statement is true?
A.
The psychological development of boys is faster than that of girls.
B.
The brain development of girls is faster than that of boys.
C.
The physical development of girls is faster than that of boys.
D.
The mental development of boys is faster than that of girls.
【单选题】Which operation is executed for each accessed node in a splay tree?伸展树每次访问过某节点后都会把该节点:
A.
removing it 删除
B.
moving it to the higer level 上移一层
C.
moving it to the root 移动到根节点
D.
accessing it again 再次访问该节点
【单选题】Where do they often exercise?
A.
In the school playground.
B.
In the gymnasium.
C.
Go to the local sport center.
D.
In a fitness club with personal training services
【单选题】下列说法错误的是:()
A.
生命教育就是以生命为核心,以教育为手段,倡导认识生命、珍惜生命、尊重生命、爱护生命、享受生命、超越生命的一种提升生命质量、获得生命价值的教育活动;
B.
生命教育,就是在生命活动中,通过生命活动和为了生命而进行的教育;
C.
生命活动不是实践活动;
D.
生命教育是为了生命而进行的教育。
【单选题】关于枚举定义说法正确的是:
A.
定义枚举的关键字是:class
B.
枚举中只能有常量
C.
枚举是一种特殊的类,因为它的对象的个数是有限的
D.
枚举中不能定义抽象方法
【单选题】双层伸展策略优于逐层伸展策略的关键在于()
A.
zig-zig/zag-zag
B.
zig-zag/zag-zig
C.
zig-zig/zig-zag
D.
以上均是
【单选题】“Nevertheless” is a useful word, which means _______.
A.
never
B.
hardly ever
C.
despite what has just been said or referred to
D.
seldom
【单选题】下面的说法正确的是
A.
abstract可以修饰字段、方法和类
B.
抽象方法的body部分必须用大括号包住,但是需要为空
C.
声明抽象方法,大括号可有可以没有
D.
抽象方法没有方法体
【单选题】若所有print方法均为static,则其结果输出为
A.
Manager Employee
B.
Person Person
C.
Manager Person
D.
Person Manager
【单选题】A, B独立
A.
0.5
B.
0.6667
C.
0.8333
D.
0.9
【单选题】$\lim_{x\to \frac{\pi }{3}} \, \frac{\sin (x)}{\cos (x)+1}$
A.
$\frac{1}{\sqrt{3}}$
B.
$-\frac{1}{\sqrt{3}}$
C.
$\frac{1}{2}$
D.
$-\frac{1}{2}$
【单选题】Why does the memory becomes smaller and smaller?内存“越来越小”的原因是:
A.
With more and more processes running on one computer, the average memroy size for each process is getting smaller 机器上运行的程序越来越多,平均每个程序使用的内存变小
B.
The real-world applications call for rocketing memory storage 实际应用对存储的需求急剧增长
C.
The silicon used for producing chips is soon running out 用于制造内存芯片的硅资源消耗殆尽
D.
The physical size of memory chips is getting smaller thanks to the advances in technology 随着工艺的进步,内存的体积变小,集成度变高
【单选题】How to engage in other people’s discussion in a seminar when you are not fully prepared?
A.
Follow the lecture closely and look for opportunities to ask relevant questions.
B.
Pretend you’re fully prepared and listen carefully
C.
Ask people around for help
D.
Record all the lecture and learn it later by yourself
【单选题】The baby carrying the DNA of three parents is an experimental specimen, aiming at ______.
A.
having more babies
B.
having babies with genetic modification
C.
eliminating genetic diseases in newborns
D.
innovating in the field of life science
【单选题】B-trees are 树结构上的特点是:
A.
short and chubby, with each node having at most two children矮胖,每个节点至多两个孩子
B.
short and chubby, with each node having potentially many children矮胖,每个节点可有多于两个孩子
C.
tall and slim, with each node having at most two children瘦高,每个节点至多两个孩子
D.
tall and slim, with each node having potentially many children瘦高,每个节点可有多于两个孩子
【单选题】B-trees have small height so as to B树的层数少有助于:
A.
reduce the number of I/O operations 减少I/O次数
B.
reduce the time consumption for a single I/O 减少每次I/O的时间
C.
reduce the asymptotic time complexity for seaching 降低查找的渐进时间复杂度
D.
reduce the storage requirement 节省存储空间
【单选题】In the Academic Writing part, Alex discussed with Ruoqi on academic skills, such as ______.
A.
plagiarism, paraphrasing and summarizing
B.
plagiarism, paraphrasing and synthesizing
C.
how to avoid plagiarism, paraphrase and summarize
D.
how to avoid plagiarism, paraphrase and synthesize
【多选题】运动休闲可以( )。
A.
减轻医疗负担
B.
增强抵抗力
C.
减少疾病
D.
促进心理健康
E.
缓解精神压力
【单选题】Through the group discussion between ______ , we figured out the differences between adolescence and adulthood.
A.
Abbas, Zuowan and Jialin
B.
Billy, Xuanhui and Jialin
C.
Abbas, Xuanhui and Jialin
D.
Billy, Xuanhui and Zixiao
【单选题】下面说法正确的是
A.
FileWriter类是Writer类的子类
B.
FileWriter类是OutputStreamWriter类的子类
C.
FileWriter类是FileOutputStream类的子类
D.
Wirter类是OutputStreamWriter类的子类
【单选题】What's the return value for a failed search in a B-tree of order 4?B树查找算法若最终失败,返回值为:
A.
None
B.
NULL
C.
A pointer to the last examined node 指向最后一个所查找节点的指针
D.
A pointer to the root 指向根节点的指针
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