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职业技能题库 0002

关于当前国际经济格局的新变化,表述有误的是()。

目前发展关系最大的忧虑是()

面对当前国际形势,中俄两国建立了( )

下列选项关于2018年以来中日关系之变,说法错误的是()

下列选项关于当前中欧关系的描述,说确的是()

为实现未来关系的良好发展,需要注意的问题有()。

下列关于国际政治格局的新调整,说确的是()。

为了保护本国经济,以为首的发达实行贸易保护主义,逆经济全球化日趋明显。

“修昔底德陷阱”,是指一个新崛起的大国必然要挑战现存大国,而现存大国也必然会回应这种威胁,这样战争就变得不可避免。

逆经济全球化是指贸易、资本、人员、知识信息等在世界范围内流动,进而实现资源在全球范围内配置,使世界连接为一个整体。

特朗普上任以来,打着“优先”“让再度伟大”等旗号,使劲地折腾本国、折腾世界,加剧了本已尖锐的国内矛盾,撕裂了社会,也使得使原本相对稳定的世界秩序陷入极大的混乱。

2019年上半年,我国经济发展呈“稳中有进”态势,下列选项中最能体现“稳”的是( )。

2019年上半年,我国经济发展呈“稳中有进”态势,下列选项中最能体现 “进”的是( )。

当前我国精准脱贫加力显效,贫困地区农村居民人均可支配收入保持较快增长,脱贫工作可以暂时告以段落。

下列关于我国城乡居民收入的说法,不正确的是()

下列关于当前我国宏观经济形势分析,错误的是( )。

下列关于我国三大产业的说法,正确的是( )

下列不能体现我国经济结构不断优化的是( )

2019年上半年,我国经济发展延续总体平稳、稳中有进的发展态势,主要表现为( )。

当前我国三大攻坚战持续推进,表现在()。

目前京津冀协同发展、长江经济带、粤港澳大湾区、长三角一体化等一系列重大区域战略稳步推进,说明我国东西南北纵横联动发展的新格局正在形成。

目前,我国最终消费支出增长对经济增长的贡献率为60.1%,消费是拉动经济发展、提高生产力的决定性因素。

当前国内外经济形势依然复杂严峻,表现为全球经济增长有所放缓,外部不稳定不确定因素增多,国内发展不平衡不充分问题仍较突出,经济面临新的下行压力。

我国经济发展呈“稳中有进”态势,其中“稳”指主要经济指标保持在合理区间,而所谓“进”指推动经济高质量发展的积极因素在不断增多。

下列属于非传统安全领域危机的是()。

根据平新时代特色外交思想,推进特色大国外交必须坚持以()为使命。

近年来发生的“门”事件发生,反映了世界又一个重大隐患是()。

根据平新时代特色外交思想,在构建人类命运共同体时应坚持的宗旨是()

下列不属于“国际格局逆转式”变化的是()

近年来,国际安全形势呈现的新特点有()

我国在开创特色大国外交上做出的努力有()

构建人类命运共同体是平新时代特色思想的重要内容,是特色大国外交的努力方向,也是全人类的共同事业。

在发展特色大国外交时,我国应坚持以各国核心利益为底线,维护各国、安全、发展利益。

“一带一路”旨在积极发展与沿线的经济全讯备用网的合作伙伴关系,共同打造政治互信、经济融合、文化包容的利益共同体、命运共同体和责任共同体。

我国正处于“现代化冲关期”,黄金发展期与矛盾积累期交织,中高速增长期与高质量发展期交织。

2018年3月以来,针对单方面发起的经贸摩擦,不得不采取有力应对措施,坚决捍卫( )的利益

下列不属于消费增速减缓的原因的是( )。

下列属于供给侧结构性改革的任务的是( )。

下列选项不能体现“社会政策要强化兜底保障功能”这一政策取向的是( )。

下列关于经贸摩擦的说法,错误的是( )。

下列符合“防范化解金融市场重大风险”具体要求的是( )

下列关于我国发展面临的问题和挑战,说法错误的是( )

下列属于影响当前经济发展的主要挑战的是( )。

下列属于2019年经济社会发展政策取向的是()。

单方面挑起对华经贸摩擦不仅不利于,也不利于,更不利于全球。

要构建房地产市场健康发展长效机制,坚持房子是用来住的、不是用来炒的定位。

我国gdp增速在全球各经济体中处于中高速状态。这样,收入因素并没有对的消费产生极大的向下的约束,因此居民收入因素不是影响消费增速的因素。

在2019年3月5日的工作报告中指出:思危方能居安。在充分肯定成绩的同时,要清醒看到我国发展面临的问题和挑战。

1. 云计算是对( d )技术的发展与运用 云计算是对( )技术的发展与运用。

从研究现状上看,下面不属于云计算特点的是( )。

与网络计算相比,不属于云计算特征的是( )。

亚马逊aws提供的云计算服务类型是( )。

将平台作为服务的云计算服务类型是

微软于2008年10月推出云计算操作系统是( )。

简单的理解为云计算由于资源的闲置而产生的。

并行计算、分布式计算、网格计算、效用计算、网络存储、虚拟化是云计算技术的基础

以下服务器虚拟化技术中需要修改guest os内核的是

虚拟机迁移过程中,迁移源主机在( )步骤中第一次迭代把所有内存内容都复制到目标主机中?

迁移存储设备的最大障碍在于需要占用大量时间和网络带宽,通常的解决办法是( ),而非真正迁移。

以下哪种存储技术使用标准tcp/ip网络协议加入网络?

关于虚拟化安全问题描述不正确的是

以下属于虚拟化技术的是

服务器虚拟化的底层实现包括

以下属于比较常见的网络虚拟化应用的是

软件定义网络(sdn)将网络分为

iaas全称是_____?

以下哪些不是iaas提供的资源?

iaas最标志性的业务特征是______?

以下哪些不是iaas服务的优势所在?

5. 虚拟化作用于iaas技术架构中哪一层?

管理层的作用是对动态资源层进行统一的运维和管理,以下哪些不是管理层的主要功能?

paas全称是_____?

paas主要面向的用户是______?

以下哪些不是paas提供的服务?

__________是paas架构中的关键技术?

以下哪点不属于paas平台的优点?

paas平台层也叫作__________?

以下哪个不是saas平台的特点?

按照成熟度排列以下saas平台架构最成熟的架构为_______?

以下关于paas和saas平台的说法中不正确的是_______?

亚马逊aws提供的云计算服务类型是( )。

将基础设施作为服务的云计算服务类型是( ) 。

在ec2 服务中,每个实例自身携带( )个存储模块 。

在立式钻床上钻孔,其主运动和进给运动( )

电火花加工属于( )

实现切削加工的基本运动是( )

车削可以加工哪些特征( )

切削用量包括()

超声加工方法不能加工不导电的材料

电解加工时无切削力或切削热产生,适于易变形或薄壁零件的加工

铰刀是在原底孔上加工,因此无法提高孔轴线的位置精度和直线度

电火花加工过程会产生较大的切削力和切削热

顺铣时容易将工件上台,而逆铣时容易引起打刀

拉削速度并不高,但拉削却是一种高生产率的加工方法,原因何在?

与外圆表面加工相比,孔加工的条件为什么比较差?

在背吃刀量ap 和进给量 f 一定的条件下,切削厚度与切削宽度的比值取决于( )

在正交平面内度量的基面与前刀面的夹角为( )

刃倾角是主切削刃与( )之间的夹角。

切屑类型不但与工件材料有关,而且受切削条件的影响。如在形成挤裂切屑的条件下,若减小刀具前角,减低切削速度,加大切削厚度,就可能得到( )

直角自由切削,是指没有副刃参加切削,并且刃倾角( )的切削方式。

切削加工过程中的塑性变形大部分集中于( )。

在切削塑性材料时,切削区温度最高点是在( )。

在正交平面中测量的角度有( )

切削过程中影响散热的因素有( )

车削时切削合力为什么常分解为三个相互垂直的分力来分析?

试述刀具前角和后角的功用及选择原则。

磨钝标准确定后,刀具寿命是否就确定了?为什么?

机床上实现主运动和进给运动的部件为( )

铣削电主轴的空心结构可用于( )

机床的技术参数包括( )

进给轴中的传动部件包括( )

进给轴中的承载导向部件包括( )

主轴部件中,使用圆柱/圆锥滚子轴承,相对于角接触球轴承,不利于提高主轴部件刚度。

三轴机床进给轴包括21项几何误差。

定位精度是指机床的定位部件运动到达规定位置的精度。

重复定位精度是指机床的定位部件反复多次运动到规定位置时精度的一致程度。

机床刚度指机床系统抵抗变形的能力,分为静刚度和动刚度。

零件机械加工的工序公差t和均方根误差应满足( )

在以下各项误差中,属于随机性误差的有( )

两顶尖间车削光轴,只考虑刀架受力变形,加工后工件表面为( )

在下列工艺措施中,可以工件表面降低表面粗糙度的是( )

机械加工中产生高温会引起零件表面层金属的相变,若在相变后表面层体积缩小,则表面层将产生拉应力

磨削时由于热塑性变形严重,磨削后工件表面常呈残余压应力

件材料愈硬,切削加工时愈容易引起表面层的冷作硬化

点图法能将变值系统性误差和随机性误差分开,并能看出变值系统性误差的变化趋势

正态分布的两个主要参数是均值和标准偏差

工艺系统的刚度主要取决于系统中刚度最差的环节

在机械加工中若采用快速换刀装置,则可以缩减单件时间定额中的( )

凡是用加工过的表面做基准,无论该表面精度如何,都称作精基准。

对零件毛坯进行划线时,不存在基准选择问题。

现代化的大量生产都采用工序分散原则。

箱体零件的加工顺序一般应遵循先面后孔原则。

在机械加工工艺过程中,除第一道工序使用粗基准外,其它各工序一律不得使用粗基准。

在一个工艺尺寸链中,封闭环、增环、减环三者缺一不可。

不完全互换法适用于任何生产类型。

大批大量生产中解环数多的装配尺寸链应采用概率法计算。

数控加工工艺区别于传统加工工艺最明显的一点就是前者采用工序集中原则。

精加工夹具的有关尺寸公差常取工件相应尺寸公差的( )

大批大量生产中广泛采用( )

轴类零件加工中,为了实现基准统一原则,常采用( )作为定位基准。

在精基准的选择原则中,当在一道工序中要求加工面本身余量均匀,常采用( )原则。

机床夹具必不可少的组成部分有( )。

机床夹具的作用,只管把工件可靠地夹紧,不管工件在机床上的定位问题。

供粗加工定位用的基面就是粗基准,供精加工的定位基面是精基准。

在夹具设计中,重复定位是允许的。

轴类零件常用两中心孔作为定位基准,这是遵循了“自为基准”原则。

由于定位基准与工序基准不重合而造成的误差为基准不重合位移误差。

下列信号的分类方法不正确的是( ):

下列说确的是( )

下列说法不正确的是( )。

将信号f(t)变换为( )称为对信号f(t)的平移或移位。

将信号f(t)变换为( )称为对信号f(t)的尺度变换。

下列关于冲激函数性质的表达式不正确的是( )。

下列关于冲激函数性质的表达式不正确的是( )

下列基本单元属于数乘器的是( ) 。

下列基本单元属于加法器的是( ) 。

判断系统是时不变的系统

判断该信号是否为周期的,若是,试确定其周期。

判断该信号是否为周期的,若是,试确定其周期。

判断该信号是否为周期的,若是,试确定其周期。

判断该信号是否为周期的,若是,试确定其周期。

判断该信号是否为周期的,若是,试确定其周期。

计算:

计算:

计算:

计算:

系统的零状态响应等于激励与()之间的卷积。

卷积积分等于()。

卷积和不具有的性质是()。

信号,波形如图所示,设,则为()。

已知系统微分方程为,若,,解得全响应为,则全响应中为()。

若一个系统的激励为零,仅由初始状态所引起的响应称为零输入响应。

一个系统的零状态响应就等于它的自由响应。

零状态响应是指系统没有激励时的响应。

已知描述系统的微分方程和初始状态如下,试求其零输入响应。

已知描述系统的微分方程和初始状态如下,试求,。

已知描述系统的微分方程和初始状态如下,试求其零输入响应、零状态响应和全响应,并指出自由响应和强制响应。

已知某lti系统的冲激响应为,当输入f(t)时,其零状态响应为,试求输入 信号f(t)。

求下列函数的卷积积分。(每小题5分) (1) (2) (3) (4)

序列和等于()。

周期序列的周期n等于()。

已知的非零值区间为()。

序列等于()。

离散时间系统是指输入、输出都是()的系统。

离散信号是指()。

序列和等于()。

正确的离散信号卷积和运算式是()。

是()阶差分方程。



序列的收敛域描述错误的是( )。

周期信号是( )

不属于周期信号频谱特性的是( )

已知信号f(t)的波形如图所示,则f(t)的表达式(   )

系统结构框图如图示,该系统的单位冲激响应h(t)满足的方程式为( )



若矩形脉冲信号的宽度加宽,则它的频谱带宽(   )

已知信号f(t)如图所示,则其傅里叶变换为( )

周期信号,(t为周期),则其傅里叶级数展开式的结构特点是(   )

f(t)的频宽是200hz,那么f(-2t-6)的奈奎斯特频率为( )。

以线性常系数微分方程表示的连续时间系统的自由响应取决于(  )。



差分方程y(k)-4y(k-3) 3y(k-5)=2x(k-6)所描述系统是( )阶差分方程。

“不管白猫、黑猫,抓到耗子就是好猫”这句谚语描述的是道德观。( )

如果管理者认为解雇工厂中20%的工人是正当的,因为这将增强工厂的盈利能力,使余下的80%的工人工作更有保障,并且符合股东的利益,那么这位管理者接受的是道德观。( )

给同工不同酬现象以解释的道德观是( )。

“己所不欲,勿施于人”、“换位思考”、“将心比心”、“设身处地”等习语里所隐含的道德观是( )

为了提升员工的道德修养,组织的高层管理者应特别重视()

以下行为中不属于企业表现的是( )

通过市场调查发现,保健品市场的兴起是由于人们观念变化引起的,这一因素属于外部环境因素中的( )

某公司以前主要生产塑料制品,经营状况不理想。后来注意到,影视作品及电视广告中出现的家庭居室多使用各色塑料百叶窗,这种现象渐成时尚。于是公司推出了各种款式、尺寸、颜色的百叶窗,取得了不错的经营业绩。该公司的这一调整是对下列哪种环境要素所做出的何种反应?( )

由于处于经济萧条时期,从而影响组织的目标,这种环境属于( )。

一般说来,组织的外部要素是( )

下列哪些属于企业的外部社会文化环境范畴。( )

下列哪些属于有利的创新文化环境范畴。( )

下列哪些不属于高等学校的利益相关者。( )

从企业内部讲企业道德规范包括( )。

下列哪些不属于企业的法律责任范畴( )

组织外部环境包括的要素有:( )

以下属于影响管理的社会文化环境因素的有:( )

组织环境只对某些组织的生存和发展有重要影响。

组织环境对组织的生存和发展有重要影响,但管理工作也可以影响环境。

社会责任不仅是一个组织对社会应负的责任,也是组织的负担。

“普天乐”全讯备用网的文化中“乐”的含义有哪些?

which of the following words is not a name of occupation?

man: what do they do? woman: ___________.

woman: what’s your family name? man: groban. woman: groban? ___________. man: g-r-o-b-a-n woman: and your given name?

in his junior year, gates ______ harvard to devote his energies to microsoft.

when zhang xin fills in a _____ information form in english, he writes yin in the box for first name and zhang in the box for last name.

to _____ confusion in the football games, the two teams will wear different colors.

in addition to his _____ for computers, tom is interested in biotechnology.

in china and in many asian countries, family name comes first.

my teacher’s name is ellen clark. ellen is his nickname.

tiger was born in america. from this statement we can know about tiger’s nationality.

—are you free on friday? a new sci-fi film is on at the cinema. —really? _______, but i’m busy on friday.

if you want to go to the theater, you’ll have to make a ______, or there will be no tickets.

the children were all ______ when mother told them stories.

on rainy afternoons i’m always in the ______ for a good book.

mary was a good student, a championship athlete, and ______.

mary was short and plump, ______ her mother who was tall and willowy.

if you are very interested in something, you can probably say “i’m really into it.”

if something is like music to your ears, it must be very pleasant to hear.

the moon-landing mission has been hailed as an unprecedented success. the underlined word “unprecedented” probably means “unknown”.

the australian couple ______ six children between 1991 and 1998.

my brother and i both enjoy sports and are very healthy. besides, we are ______ in many other ways.

a recent online ______ found that 61 per cent of college seniors intend to move home for some time following graduation.

on november 18, 1997, bobbi gave ______ to septuplets — three daughters and four sons.

house-sharing can bring problems of ______ with others’ living habits.

woman: ________________________________ man: i have two older brothers and a younger sister.

linda’s uncle has two children. they are linda’s nephews.

my wife’s parents are my in-laws.

steve has only one brother, so he is an only child.

—hello, i’m looking for a printer. any suggestions? —______ this one? it’s on sale now.

—my cell phone is driving me crazy! it keeps turning off and on. —______. maybe you should have it checked, or just return it.

the medicine is made up of natural ingredients and ______ for safe use even for kids.

this device is ______; it’s so all and light, and you can carry it anywhere!

it is politely requested by the hotel management that radios ______ after 11 o’clock at night.

if you are not happy with our product, just return it and we will refund your money. the underlined word “refund” is closest in meaning to ______.

the sink in my bathroom is clogged and there’s water all over the floor. i need to call the ______ right away.

if a machine is of poor quality, it can probably be called a lemon.

you can use a scanner to quickly copy documents or pictures onto paper.

if a cd, film, or play is a big hit, it is not popular but suffers a huge failure.

they lost their way in the forest, and _____ made matters worse was that night began to fall.

you wonder whether you could pay the bill with your credit card. what would you say to the waiter?

cut down on portion size so you don’t eat too much. eat everything in ______.

the survey also found that many people ______ romance with home-cooked, candlelit dinners with their partners.

when people move to america, they bring their cooking styles with them. that is why you can find almost every kind of ______ food inamerica.

like any large country, the usa has several ______ regions and each region boasts its own special style of food.

clam is a kind of dairy product.

pepper tastes spicy.

on the restaurant menus, we can find the chefs’ names.

—______? —hmmm…it’s hard to say. i like golf a lot, but i guess i like tennis better.

the sports facilities in the university include a gym, a sports arena, a swimming pool and four tennis ______.

—where are you ______ to? —the park. i need some fresh air.

as a mother of four kids, naomi has little time for exercises. she even ______ goes for walks.

the failure to get the job he wanted made him feel very ______.

features such as height, weight and skin color ______ from person to person.

mark is always talking about his big plans to be a great writer. you should tell him to ______ and work hard from the beginning.

susan has a sweet tooth, so she is not very crazy about things like chocolate, candy, cake and ice cream.

many of us jog or swim or hit the gym in an attempt to keep fit. the underlined phrase “keep fit” probably means “stay healthy”.

a couch potato is someone who does little exercise and spends a lot of time watching television.

children usually wear ______ to sleep.

which of the following clothes is appropriate to wear in the office?

i could only afford to buy the cheaper digital camera, because i have to cut my ______ according to my cloth.

do you think you could gift ______ these toys for me? they’re a present for my daughter.

london is the final _______ of their travel.

how you dress yourself at work does influence how you are ______ in professional terms.

it is considered disrespectful to wear open shoes at thailand’s magnificent temples.

in egypt women should always wear longer skirts and a head covering.

to buy belts on a shopping website, we should click the department of bags and accessories.

—hi, welcome back! ______ to the grand canyon? —amazing. the canyon was truly a masterpiece. i loved the view!

my drive to the farm was terrible. the road was ______ and rough the whole way.

—susan, you must be ______ after your long trip from canada. —yes, it was quite a long flight. i’m glad to finally get back.

—are you finished packing yet? do you need a hand? —______

during my trip to bhutan, i was most impressed by the ______ mountains and friendly people there.

______ the opportunity, adam might well have become an outstanding engineer.

the nature ______ in the east dongting lake is home to more than 200 species of birds.

my vacation in greece was incredible. that is, i hardly believed that i took a vacation in greece.

she is in a dilemma whether to stay at school or get a job, which means she can hardly make up her mind.

before the travel, you’d better have your accommodation arranged. that is, you have to book your flights in advance.

the flight is ______. i think i’m going to volunteer to take a later flight.

if a flight is oversold, passengers without seat assignments are usually at the risk of ______ boarding.

the airlines apologized for the ______ you experienced due to the delay.

when it was our turn to ______ the plane, an agent told us no one else was getting on that plane because they were overweight.

with a few ______, people can stop the spread of the virus.

woman: i’m sorry, you missed the express. man: oh, no! well, can i still make the ______?

woman: ______ man: no, i’m sorry. it left five minutes ago.

take a window seat if you need to stretch your legs during the flight.

passengers with boarding passes should pass security and proceed to the gate.

passengers on a cruise tend to get airsick if it is stormy.

this nice digital camera cost less than 300 dollars. it’s just in my price ______.

—this teapot is nice, but a little expensive. ______? —how about 10% off? that’s the best i can offer.

—do you know if linda is willing to take charge of the program? —______, does it?

—hello, i’m looking for a digital camera. —you can have a broad choice here. are you looking for any particular brand? —______. which one is the best?

in australia, it is ______ to round off the fare to tip taxi drivers.

the sale usually takes place outside the house, with the audience ______ on benches, chairs or boxes.

the recent years have witnessed that online shopping can be convenient, time-efficient and equally ______ compared to the traditional shopping.

david paid $2,000 for a fake painting. it was a complete bargain!

if you’d like to change your money to a foreign currency, you should know the exchange rate.

when visiting another country, it is advisable that consumers follow the local tipping customs.

this speaker has an impressively ________ range of interests and experience.

we’ve decided to ________ with the employers about our wage demand.

research shows that there is no ________ relationship between how much a person earns and whether he feels good about life.

nowadays the tv plays seldom live up to people’s ________.

features such as height, weight and skin color ________ from person to person.

would you mind turning your radio down? i can’t ________ on my work with the noise.

mrs. wang spent an _______ amount of money on the camera yesterday.

my little sister is still ________ with a knife and fork and drops food at each meal.

as we can wait no longer for the delivery of your order, we have to ________ it.

the film star has a(n) ________ car in addition to a large house.

daddy’s advice has helped me at many _______ times when i’ve encountered trouble and difficulties.

linda is a very ________ secretary: she never forgets anything or makes a mistake.

you didn’t say you were present on the scene, but your words _________ that you were.

for this part, you are allowed to write a short essay entitled food safety. you should write at least 150 words following the outline given below. 1. 最近常有食品安全问题出现。 2. 食品安全问题危害很大。 3. 你认为应该如何解决该问题。
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