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【单选题】
根据本题题干回答以下(1)(2)题
两个车床加工同一种鞋,已知甲车床出现不合格品的概率为0.02,乙车床出现不合格品的概率是0.04,加工出来的鞋子放在一起,并且已知甲车床加工的鞋子数量是乙车床的两倍
(1)、任取一双鞋子合格的概率是
A.
0.027
B.
0.03
C.
0.973
D.
0.97
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三
哪些歌曲被王建中改编成钢琴曲:
A.
挑担茶叶上北京
B.
大路歌
C.
陕北民歌钢琴独奏曲四首
D.
浏阳河
丁善德在改革开放以后创作过:
A.
儿童钢琴曲八首
B.
小序曲与赋格四首
C.
小奏鸣曲
D.
前奏曲六首
Which of the following questions can be used to ask for directions?
A.
Excuse me, where is the closest ... ?
B.
Hi, can you tell me how to get to ... ?
C.
Hello, I'm looking for the nearest ... .
D.
Excuse me, is there a  ... around here?
Which of the following sentences can answer the question:"Excuse me, could you tell me where is the manager's office?"
A.
You could take the lift over there.
B.
It's on the top floor, room 1201.
C.
After you walk out of the lift, just go straight ahead.
D.
It's the second door on your left.
If you want to ask someone how to do something, you can say__
A.
Excuse me, could you show me how to make/use it?
B.
 I wonder if you could tell me how this works.
C.
Excuse me, where is the nearest subway station?
D.
Would you mind showing me how to use it?
When you want to make sure whether you are understood, you could say __
A.
So is everyone clear on what they have to do?
B.
OK,do you understand how this works now?
C.
Does that make sense to you?
D.
Any questions about what you need to do?
When you are to introuce a place, which elements could be mentioned?
A.
surroundings
B.
population
C.
history
D.
places of interest
When you want to ask for information about a place, you can say__
A.
Which cities are the most-sees in China?
B.
Could you recommend some interesting places to visit here?
C.
What are the places of special interest here?
D.
Please tell me about some interesting places.
发明了第一台采用减压水蒸发的制冷机的是
A.
    Joseph Black
B.
William cullen
C.
  Clausis
D.
   Willis. H. Carrier
关于散热器的安装以下说法正确的是()
A.
为了减少安装形式对散热过程的阻碍,任何情况下散热器都应明装
B.
公共建筑或要防止人员烫伤和磕碰的场所可暗装
C.
楼梯间的散热器应均匀分布在各层
D.
为了防冻,两道外门之间的门斗内不应布置散热器
以下关于真空蒸汽供暖,不正确的是()
A.
系统内压力为0
B.
压力在大气压以下
C.
蒸汽温度在100℃以下
D.
卫生条件好
防烟分区用什么分隔()。
A.
挡烟垂壁
B.
结构梁
C.
防火隔墙
以下选项中属于米芾的著作有:
A.
《书史》
B.
《画史》
C.
《海岳名言》
D.
《宝晋山林集拾遗》
以下属于当代画家黄宾虹先生的观点的是:
A.
论画以形似,见与儿童邻
B.
非谓画不当形似,乃入鉴赏
C.
画贵神似,不取貌似
D.
山水乃图自然之性,非剽窃其形
本节中张捷老师讲到的苏轼所说的“象外”,是指:
A.
“象外之意”的意象表达
B.
以意取象
C.
客观世界“物”的特性融入自己的心性
D.
主观情境对客观世界的描写
以下是元代画家赵孟頫的绘画主张有:
A.
作画贵有古意
B.
反对南宋院体的画风
C.
继承唐宋绘画的复古遗风
D.
书画同源
以下属于荆浩《笔法记》中的有:
A.
度物象而取其真
B.
画者,画也。度物象而取其真
C.
若不知术,苟似,可也。图真,不可及也
D.
物之华,取之华;物之实,取其实
“南宋四大家”包括:
A.
李成
B.
刘松年
C.
马远
D.
夏圭
下列画家是元代的有:
A.
择端
B.
振鹏
C.
D.
荣瑾
本课程的教学主导思想主要包括哪些方面
A.
对应自然
B.
深入生活
C.
提升笔墨语言
D.
锤炼心智
在本节短视频中销售顾问周到值得点肯定的地方有()。
A.
语文诙谐幽默
B.
用语规范
C.
注重电话社仪
D.
成功邀请客户来店
以下哪些方法可以判断车头结构件是否维修过?( )
A.
是否有拆卸痕迹
B.
是否有后期打的腻子胶
C.
是否存在褶皱、焊接修复痕迹。
D.
是否存在钣金切割痕迹
当赞美别人时,不正确的是
A.
真诚
B.
具体
C.
适可而止
D.
赞美并不是事实的方面
请判断英雄变发生了什么故障?
A.
英七线线路发生故障
B.
线路发生的是相间短路故障
C.
线路首端发生故障
D.
线路发生的是单相接地故障
《庄子》散文的艺术特征体现在哪些方面?( )
A.
大量使用类比说理
B.
对语言的灵活运用
C.
具有超常的想象力
D.
善用寓言说理
韩非子的思想体系综合了哪三种?( )
A.
孔子的“仁”
B.
申不害的“术”
C.
慎到的“势”
D.
商鞅的“法”
晏子的辩证法思想包括( )。
A.
万物是对立统一的存在
B.
非天命与无神论
C.
生与死盛与衰,是不以人们意志为转移
D.
自然现象是发展变化的,社会是趋向进步的。
关于《虢季子白盘》,以下说法正确的是( )。
A.
是虢国的臣子所制
B.
形状像一口浴缸,下有四足
C.
铭文书法精美
D.
铭文语言典雅,已经注意用韵
辨别真伪痛点的两个要点是( )
A.
客户足够痛,以致于是否愿意付费来解决
B.
是否细分了人群
C.
创业者的第六感直觉判断
D.
调研身边几个好朋友的意见
以下哪些属于低频且涉及人群广的需求类别( )
A.
线下培训
B.
有机食材
C.
婚庆装修
D.
珠宝买卖
以下哪种是36种创新方法。
A.
由二合一
B.
一分为二
C.
化整为零
D.
化零为整
5WHY分析法,又称“( )”。
A.
5W法
B.
5分析法
C.
5 剖析法
D.
5问法
相关题目:
【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
【单选题】Which of the following is NOT the reason why she does not like to take photos with the camera?
A.
It was easy to break
B.
It was too heavy
C.
it is easy to get stolen
D.
it is too expensive
【单选题】What “eat earth” means?
A.
Having to spend less after spending a lot during the shopping festival.
B.
Living a luxurious life after earning a lot of money.
C.
Having failed to live a modest life.
D.
Living a luxurious life.
【单选题】Popular novels can be adapted and made into ____; ____ and _____.
A.
films; television programs; video games
B.
cartoons; dramas; games
C.
websites; televisions; audio programs
D.
films; cartoons; games
【单选题】下面说法中错误的是
A.
FileReader类是Reader类的间接子类
B.
InputStreamReader类是Reader类的子类
C.
BufferedReader类可以读取一行
D.
BufferedReader的readLine()函数,如果没有数据时会返回0
【单选题】What's the 'overflow' for a B-tree?B树的上溢是指:
A.
The property of a B-tree is violated due to removing a key 删除关键码后违反了B树的性质
B.
The property of a B-tree is violated due to inserting a key 插入新的关键码后违反了B树的性质
C.
The property of a B-tree is violated due to a split 分裂后违反了B树的性质
D.
A B-tree becomes too high B树的高度过高
【单选题】设随机变量服从区间(0,2)上的均匀分布,则$Y=X^{2}$在(0,4)上的密度函数为()
A.
$\frac{1}{3\sqrt{y}}$
B.
$\frac{1}{\sqrt{y}}$
C.
$\frac{1}{2\sqrt{y}}$
D.
$\frac{1}{4\sqrt{y}}$
【单选题】Which consequence follows as a B-tree becomes higher?B树高度的增加一定伴随着:
A.
Each node has a larger number of keys 每个节点所存放的关键码数量增加
B.
Each node has a smaller number of keys 每个节点所存放的关键码数量减少
C.
Splitting to the root 分裂到根
D.
Splitting to the leaves 分裂到叶
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