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    铁路线路工(普速)中级搜题用什么软件最好


    1. chinese cuisine is known for its taste and philosophical and aesthetic qualities. it is closely tied to the development of the 5000-year-old chinese civilization.

    2.among the most well-known local dishes are “hot and spicy hot pot” of shandong, “sea cucumber braised with scallion” of sichuan.

    3.these used to be reserved for high-ranking bureaucrats and celebrities. but they were subsequently adopted by ordinary people.

    4.there is a wide variety of ethnic food. these dishes are often cooked in such a way as to look and taste exactly like meat and fish.

    5. the chinese believe that mixing tonics with food adds flavor to the food and is good for health.

    1. there are no rules to follow when translating chinese food into english.

    2. the traditional chinese food, which has chinese characteristics and is accepted by foreigners, is expressed in pinyin.

    3. use pinyin when the dishes name can not reflect their main ingredients.

    4. "founder main ingredients" is a commonly used principle in chinese dishes translating.

    5. you needn't to consider chinese culture when translating chinese dishes.

    1. the common people ate pork and mutton while the nobles enjoyed beef in the middle ages.

    2. by eighteenth century, china had become a famous beef consuming country.

    3.tenderloin is also called filet steak the most tender flesh on the back of a cow.

    4. asians prefer to eat slightly bloody steak , while westerners prefer medium well.

    5. before eating steak, you need to check whether the knife teeth clear.

    1. originally,pizza is a kind of food for the rich, it has now become a dish for everyone.

    2. barley was the most common ingredient used to prepare the form of the pizza.

    3. later wheat flour substituted the other cereals, becoming the standard grain used.

    5. many pizza parlors will even deliver their food right to your front door.

    if your food is ______, this means it has been cooked too long but you can still eat it.

    ______is used in a lot of dishes. it is a vegetable like an onion.

    at a ______dinner, you must not wear causal clothes like flip flops and jeans.

    when you have food outside and sit on the ground and sandwiches, that is a_____.

    the meat we get from pigs is called _______.

    some restaurants only accept _______ as a form of payment so make sure that you have enough on you.

    if you are satisfied with the service in a restaurant, you can give the waiter a big ______.

    if you are not satisfied with the service in a restaurant, you could make a ______.

    i am familiar _________ this book but that book is not familiar ________ me.

    he told us the story _________.

    chinese cuisine has a number of different genres, but the most influential and typical known by the public are the “eight cuisines”.

    fried fish was first brought to england by an italian person.

    some newer modifications to the recipe may have cornflour added.

    british fish and chips are served in a wrapping of old newspapers now.

    originally,pizza is a kind of food for the rich, it has now become a dish for everyone.

    barley was the most common ingredient used to prepare the form of the pizza.

    the common people ate pork and mutton while the nobles enjoyed beef in the middle ages.

    by eighteenth century, china had become a famous beef consuming country.

    before eating steak, you need to check whether the knife teeth clear.

    there is another meaning of potluck, that is: eat whatever you have.

    by eighteenth century, ___________ had become a famous beef consuming country.

    the main way to cook steak is to _________ and barbecue.

    the ancestor of pizza is the simple ________ .

    many pizza _________ will even deliver their food right to your front door!

    fish and chips is a _________ dish of english origin consisting of fried battered fish and hot chips.

    the oking rate of boys is increasing rapidly with ________ .

    chinese cuisine is known for its __________ and philosophical and aesthetic qualities.

    jiangsu cuisine developed from the __________ recipes of yangzhou,suzhou and nanjing.

    eating hot pot is not simply about dipping all ___________ of food into boiling liquid, it’s also an opportunity to have a great time with friends gathered around a simmering pot.

    the traditional chinese food, which has chinese characteristics and is accepted by foreigners, is expressed in ____________ .

    having a healthy body involves much more than just eating right.

    aerobic exercise is a series of activities which can improve our heart-lung function by maintaining longer, including running, bicycling, swimming and so on.

    increased muscle will increase your metaboli, and an increased metaboli means that you can burn more calories and lose more weight even when you are moving.

    any exercise program needs a balance of both aerobic and resistance exercises.

    if you get bored with your exercise routine, try something new for a while.

    international marathon is a very popular short-distance running events.

    the origin of the marathon begins in 490ad.

    the world's top marathon tournament, including six marathons:the boston marathon, the london marathon, the berlin marathon, the chicago marathon, the new york marathon, the tokyo marathon.

    the london marathon is the world's oldest marathon.

    the chicago marathon was founded in 1970, is one of the world's most popular marathon, after the boston marathon.

    there are many people oking, although everyone knows oking is harmful to us.

    many middle school students have been engaged in oking.

    the youth think that oking is a art symbol.

    the best way to keep healthy is giving up oke, for oker’s own good as well as for others.

    the number of teenagers who try oking is not less than 90 million.

    he said, "i _______a lot of new poems by the end of last year."

    as edison grew ____, he became more and more interested in science.

    only in this way _______catch up with your brothers.

    no one, except his two best friends, _______where he is.

    mr. john has decided that he will ______the branch company set up inthe all town.

    the classroom needs______.

    there is a nice-looking car there. i wonder ______.

    wordsworth was one of the greatest poets____lived in the 19th century.

    it is requested that every student ______a paper on sustainable development.

    it was in the year of 2002___________they set up a branch company in china.

    china has no solution to deal with a population that is urbanizing, aging and is afflicted with chronic diseases.

    aerobic exercise is a series of activities which can improve our heart-lung function by maintaining longer, including running, bicycling, swimming and so on.

    when used in combination therapy, artemisinin is estimated to reduce mortality from malaria by more than 20% overall and by more than 30% in children.

    youyou tu discovered artemisinin, a drug that has significantly reduced the mortality rates for patients suffering from malaria.

    any exercise program needs a balance of both aerobic and resistance exercises.

    the origin of the marathon begins in 490ad.

    malaria is a mosquito-borne disease caused by single-cell parasites, which invade red blood cells, causing fever, heart damage and death.

    if you get bored with your exercise routine, try something new for a while.

    the headquarter of the world health organization is in london, england.

    there are many people oking, although everyone knows oking is harmful to us.

    in particular, _________diseases affect the world's poorest populations and represent a huge barrier to improving human health and wellbeing.

    major causes of death have shifted from infectious diseases and diet-related deficiencies to hypertension and_________.

    in 1896 the first________ set up the marathon project.

    aerobic exercise is a series of activities which can improve our ________by maintaining longer, including running, bicycling, swimming and so on.

    any exercise program needs a balance of both aerobic and________ exercises.

    one of the most critical issues is ________ care, said michael o'leary, the china representative of the world health organization.

    smoking and ________ is risk factor that leads to various diseases. it has become world’s top 8 causes of death.

    because of the long-term oking, people have a dependence on ________.

    we can ventilate our negative feelings by doing________ so that we can strive for our dreams again.

    after you going abroad, it is time to create a travel plan.

    a visit to a local bank to get some financial information would be a must on the preparation list.

    it is not necessary to find time to mix with the citizens of the foreign country.

    it is very important to research the country that is being visited.

    familiarity with the foreign currency and other financial issues will make it much easier to shift to the role of a foreign traveler.

    yellowstone national park is a national park located primarily in the u.s. state of wyoming.

    the park is known for its wildlife and its many geothermal features.

    hundreds of structures have been built and are protected for their economic profit.

    yellowstone lake is one of the largest high-elevation lakes in south america.

    half of the world's geothermal features are in yellowstone.

    hawaii is the only island state in the united states, consisting of 232 islands in the central pacific.

    honolulu is a relay line and an important port in the atlantic.

    the islands were united as a kingdom in 1810, which was overthrown in 1893,by a group of americans.

    unlike most big cities, honolulu has no traffic and crowds.

    watching hula dance is a reserve program for tourists who come to hawaii.

    it is impolite to ask others directions in a foreign country.

    block is a section between two intersections.

    we can never make building or landmark as a direction reference.

    "go around a corner" means to turn around in the next street and cross it.

    'opposite','across', 'from' and facing all represent the same meaning - on the same street, but on the other side.

    what do you have ____________ supper?

    she isn' t good ___________ maths. could you help her __________ her maths?

    we should learn ____________ each other.

    are you ____________ music?

    when ____________ mary ____________ to school?

    what do you often do ____________ sunday morning?

    there ____________ a lot of food at home.

    do you have ____________ to buy a computer?

    what about ____________ computer games.

    excuse me, we can't ____________ our tickets.

    ___________________ are young pioneers.

    the birds are singing ____________ the tree.

    we are doing ____________.

    some girls are on the hill. where are ____________?

    what are they doing? they ____________.

    how do you_____this book?

    who teaches_____english this team?

    she doesn’t like milk but likes orange______.

    there are _____pens_____pencils in the box.

    he is_____american.i’m_____english.

    british fish and chips are served in a wrapping of old newspapers now.

    originally,pizza is a kind of food for the rich, it has now become a dish for everyone.

    barley was the most common ingredient used to prepare the form of the pizza.

    youyou tu discovered artemisinin, a drug that has significantly reduced the mortality rates for patients suffering from malaria.

    any exercise program needs a balance of both aerobic and resistance exercises.

    the origin of the marathon begins in 490ad.

    the younger generation who born with the explosion of technology is facing a safe time.

    we should improve our quality, take care of public facilities, and enjoy the benefits of shared economy.

    online learners might work at different times, and also they can choose the place for study.

    different people came to the us from different nations and places at different times.

    during tv time people can put down their cell phone and talk with others sitting around.

    westerners seem to be less romantic when it comes to choosing gifts and presents.

    a house-warming party is a party given to celebrate moving into a new house.

    generally speaking, the higher score of a hotel means that the comprehensive service is lower.

    chinese outbound touri is growing slowly.

    there are many people oking, although everyone knows oking is harmful to us.

    sports shoes are more appropriate than leather shoes in workplace.

    the key is to find what works for you and then plan your time accordingly.

    as the business owner, you're also chief salesperson for your company.

    before eating steak, you need to check whether the knife teeth clear.

    the traditional chinese food, which has chinese characteristics and is accepted by foreigners, is expressed in ____________ .

    in 1896 the first________ set up the marathon project.

    any exercise program needs a balance of both aerobic and________ exercises.

    the main way to cook steak is to _________ and barbecue.

    then select the room, you will see the ______and price of each room.

    on the fourth thursday of november, _________day in america is a time to offer thanks, of family gatherings and holiday meals.

    _________ is a new thing, and its appearance has brought convenience to our life.

    generally speaking, online learning means learning some _________ online.

    men are most likely to make mistakes in selecting .

    resume is an that you will use to sell yourself to a prospective employer.

    主流的动态网页技术不包括( )。

    当用户请求p页面时,p引擎就会执行该页面的字节码文件响应客户的请求,执行字节码文件的结果是( )。

    当多个用户请求同一个p页面时,tomcat服务器为每个客户启动一个()

    不是p运行必须的是( )。

    p源文件的后缀名是( )。

    p被服务器编译后的后缀名是( )。

    tomcat服务器的示例程序目录是( )。

    p在转换阶段生成文件的扩展名是()。

    tomcat服务器的默认端口为( )。

    动态网页和静态网页的本质区别在于服务器端返回的html文件是事先存储好的还是由动态网页程序生成的。()

    静态网页*.htm中也可以嵌入脚本代码,如javascript、vbscript程序段等,但这些程序段不能在服务器端运行,只能在客户端浏览中运行。()

    web开发技术包括客户端和服务器端技术。()

    p全称为java server pages。()

    boy.jsp和boy.jsp是相同的p文件名字。()

    tomcat的启动脚本程序是service.bat,startup.bat脚本用于将tomcat安装为windows的服务,当windows启动时,自动加载tomcat。()

    p的指令标记通常是指( )。

    可以在以下哪个标记之间插入 java 程序片。( )

    下列哪一项不属于p动作指令标记。( )

    下面哪一个不是p本身已加载的基本类。( )

    p的 page 编译指令的属性 language 的默认值是( )。

    p的哪个指令允许页面使用者自定义标签库。( )

    可以在以下哪个标记之间插入变量与方法声明。( )

    一个典型的 http 请求消息包括请求行、多个请求头和( )

    调用 getcreationtime()可以获取 session 对象创建的时间,该时间的单位是 ( )。

    当 response 的状态行代码为哪个时,表示用户请求的资源不可用。()

    在p中为内建对象定义了4 种作用范围,即 application scope、session scope、page scope 和( )四个作用范围。

    能在浏览器的地址栏中看到提交数据的表单提交方式是()。

    可以利用 request 对象的哪个方法获取客户端的表单信息( )。

    可以利用p动态改变客户端的响应,使用的语法是( )。

    p页面中request.getparamter(string)得到的数据,其类型是( )。

    代码作业

    按附件要求编写代码

    下面哪一项不在 servlet 的工作过程中?()

    下列哪一项不是 servlet 中使用的方法? ()

    关于 mvc 架构的缺点,下列的叙述哪一项是不正确的?( )

    下面哪一项对 servlet、p 的描述错误?()

    下面哪一项对 servlet 描述错误?( )

    下面 servlet 的哪个方法载入时执行,且只执行一次,负责对 servlet 进行初始化。( )

    下面servlet 的哪个方法用来为请求服务,在servlet 生命周期中,servlet 每被请求一次它就会被调用一次。( )

    下面哪个方法当服务器关闭时被调用,用来释放 servlet 所占的资源。( )

    部署 servlet,下面哪一项描述错误?( )

    下面是一个 servlet 部署文件的片段: hellomyservlet.example.firstservlethello/helphello servlet 的类名是( )

    servelt是使用java servlet api 所定义的相关类和方法的 java 程序,它运行在 启用 java 的web服务器或应用服务器端,用于扩展该服务器的能力。()

    servlet 功能强大,体系结构先进, 但它在表示层的实现上存在一些缺陷。 ()

    在mvc模式的 web 开发中,“视图”、“模型”和“控制器”分别对应着 “p 页面”、“javabean”和“serlvet”,以 servlet 为核心。()

    当多个客户请求一个servlet时,服务器为每一个客户启动一个进程而不是启 动一个线程。()

    servlet 的部署文件是一个 xml 文件,文件名为 web.xml,它保存在web服务目录的web-inf 子目录中。()

    实现作业要求的功能

    编写用户注册功能

    编写可运行代码

    按附件完成练习

    详情见附件

    please refer to attachment

    please refer to the attachment

    下列本草著作中被认为是我国最早的关于药学的经典著作的是( )

    我国及世界第一部具有药典性质的本草学著作是( )

    “四大怀药”包括( )

    关于《神农本草经》,以下说法错误的是( )

    药用植物学和植物学的研究内容和目的是完全一样的。

    《本草纲目》是我国唐朝收载品种最多,分类最齐全最著名的本草学专著。

    同名异物现象是指药材的名称相同但来源于不同的现象,对用药安全没有影响。

    我国古代记载药物来源与应用的书籍称为本草。( )

    淀粉粒具有2个脐点,每个脐点外面除有各自的层纹外还被有共同层纹,称为( )

    糊粉粒多分布于植物的( )

    木质化细胞壁加下列何种试液呈红色( )

    细胞核的主要功能是( )

    根据淀粉粒中脐点和层纹的特征,可将淀粉粒划分为三种类型。分别是( )

    构成生物体结构和功能的基本单位是组织。( )

    质体是植物细胞特有的细胞器。( )

    淀粉粒只分布于种子的胚乳和子叶中。( )

    所有植物细胞的细胞壁都具有胞间层、初生壁和次生壁三部分。( )

    属于细胞后含物的不包括淀粉。

    内部分泌组织包括( )

    导管和管胞存在于植物体的( )

    植物的初生保护组织是( )

    裸子植物和双子叶植物根与茎的加粗生长,与( )活动有关

    厚角组织的特征有( )

    下列常为生活细胞的是( )

    周皮由木栓层、木栓形成层、栓内层组成。木栓层和栓内层均为死细胞。

    无限外韧维管束与有限外韧维管束的区别在于韧皮部与木质部之间是否有形成层,能否不断的进行增粗生长。

    基本组织也称为薄壁组织或输导组织。

    维管束主要由韧皮部、形成层、木质部组成。

    麦冬的块根是由什么部位膨大而成 ( )

    凯氏带存在于根的 ( )

    侧根起源于 ( )

    下列属于不定根的是 ( )

    根尖可划分为 ( )

    根的初生构造包括以下哪几部分结构( )

    根毛分布在根尖的伸长区和成熟区。

    直接由种子的胚发育而来的主根及其侧根称为定根。

    根中的异常维管束是由木栓形成层发育而来。

    双子叶植物和单子叶植物内皮层发生的加厚被称为凯氏带或凯氏点。

    芽的生长无一定的位置,生于茎的节间、根、叶的部位上,而不是从叶腋或枝顶发出的芽,这样的芽称为( )

    茎细长平卧地面,沿水平方向蔓延生长,节上生有不定根,是( )的特征。

    茎的次生结构产生时,由( )的薄壁细胞恢复分裂形成束间形成层。

    广义的树皮包括了以下哪些结构?( )

    木本植物的茎枝上常有( )。

    双子叶植物茎和根茎常见的异常构造有( )。

    叶芽将来发育成叶,花芽将来发育成花。

    根的初生木质部发育成熟的方式为外始式,而在茎中则为内始式。

    茎尖和根尖一样分为茎冠、分生区、伸长区和成熟区四个部分。

    髓射线是外连皮层,内接髓部的次生射线。

    双子叶植物叶的脉序通常为( )

    双子叶植物叶的细胞中含有大量叶绿体的是 ( )

    茎枝每个节上着生2片叶,相邻节上的叶片排成十字形。此种叶序是( )

    变态叶包括 ( )

    单子叶植物常见的脉序有 ( )

    双子叶植物叶片的构造包括( )

    异面叶指叶的外部形态和内部结构无明显的区别。( )

    叶脉在叶片上有规律的分布,其分布形式称叶序。( )

    单叶着生在叶轴上,复叶中的小叶着生在小枝上。( )

    浅裂叶指的是叶裂深度不超过或接近叶片宽度的四分之一。( )

    花中雄蕊的花丝联合成两束,为( )

    半夏的花雄花群在花序上部,中间为无性花,下部为雌花群,称 ( )

    双受精是什么植物特有的现象 ( )

    完全花的组成是 ( )

    下列花序中,花的开放次序由下向上的是( )

    合生心皮雌蕊形成的胎座有 ( )

    花是适应于生殖的变态短枝。( )

    子房半下位的花都是周位花。( )

    花萼和花瓣基部延长成管状或囊状称距。( )

    花程式中,符号“( )”表示某部分结构联合。( )

    由整个花序发育而成的果实称为 ( )

    由两心皮合生,具侧膜胎座的上位子房发育而成的干果为 ( )

    由下位子房发育而成的果实类型是 ( )

    参与形成假果的部分有 ( )

    有胚乳种子组成包括 ( )

    胚的组成包括 ( )

    苹果为梨果,它是一种假果,也是一种肉果。( )

    双悬果是伞形科植物特有的果实。( )

    聚合果由合生心皮雌蕊发育而来。( )

    桃、杏等果实坚硬的内核是其种子,具有繁殖作用。( )

    ( )是植物界进化最高级,种类最多,分布最广的类群。

    植物分类的主要等级包括( )

    既属于孢子植物,又属于维管植物的是 ( )

    植物学名指的是( )。

    属于颈卵器植物的是 ( ) a. b. c. d. e.

    植物分类学是一门研究植物界不同类群起源、亲缘关系和演化发展规律的学科。( )

    门是植物界中最大的分类单位,种是植物分类的基本单位。( )

    蕨类植物门、裸子植物门和被子植物门形成种子并用种子进行繁殖,因而属于种子植物。( )

    植物分类检索表是采用多歧归类方法进行编制的。( )

    孢子植物包括菌类植物,蕨类植物,苔藓植物,地衣植物。

    菌类植物具有( )的特征。

    无根、茎、叶的分化,无胚胎而具有叶绿素的植物是 ( )。

    以菌核入药的真菌是 ( )

    藻类植物,以下说确的是( )。

    下列植物中,属于担子菌亚门的是( )

    下列菌类植物以子实体入药的是( )

    蓝藻门植物细胞中不含光合色素也无细胞核的存在。( )

    昆布属褐藻门,植物体明显区分为固着器、柄、带片三部分。( )

    子实体是真菌在繁殖时期形成的,具有一定形状和结构,能产生孢子的菌丝体。( )

    菌核是由菌丝紧密交织一起,形成的颜色较深、质地较坚硬的核状体。( )

    异层地衣的藻类细胞排列于 ( )

    在蕨类植物的生活史中 ( )

    下列植物中,具有输导组织的是(   )

    地衣根据形态,可分为( )三种。

    关于苔藓植物,以下说确的是( )

    下列来源于蕨类植物的是 ( )

    地衣植物是真菌和藻类共生的复合有机体。( )

    苔藓植物生殖过程中,雌性生殖器官称为器。( )

    蕨类植物配子体发达,可以进行独立的生活。( )

    蕨类植物茎内出现维管系统且出现了导管、筛管和伴胞等输导组织。( )

    祼子植物中木质部具有导管的科为 ( )

    银杏科的脉序是 ( )

    紫杉醇来自于(    )的茎皮。

    裸子植物属于( )

    关于裸子植物,以下说确的是( )

    麻黄科的特征是 ( )

    裸子植物的配子体非常退化,但仍能独立生活。( )

    裸子植物比蕨类植物进化,而裸子植物的颈卵器却更为退化。( )

    裸子植物根、茎、叶高度分化.木质部为导管,韧皮部有筛管、伴胞。( )

    裸子植物的叶均为针形或鳞片形。( )

    菊科的花序为( )。

    禾本科植物花中的浆片是由( )特化而来。

    下列百合科植物药材是以根茎入药的是( )。

    被子植物门可分为( )两个纲。

    兰科植物的特征是( )。

    常具乳汁的植物有( )。

    蒽醌类成分较广泛存在于蓼科植物中。( )

    毛茛科和木兰科植物雄蕊和雌蕊多数,螺旋状排列在突起的花托上,形成聚合果。( )

    五加科的花序为轮伞花序。( )

    唇形科花中子房具2心皮却为4室,这是假隔膜出现的结果。( )

    零售商的基本职能是( )

    零售是指向消费者出售商品或服务以供其( )之用的全部活动

    明码标价、自由退还是( )的首创

    ( )打破了传统柜台售货的形式,开创了开架自选购物的先河。

    大数据和人工智能环境下的零售行业已经进入了( )时代。

    世界上第一个无人商店是由( )创建的。

    零售的销售对象包括括个人、家庭及其社会集团消费者。

    制造商和批发商从来不从事零售活动。

    零售业的发展与一个的经济增长和生产力水平有着密切关系。

    世界上第一次零售变革是百货商店的诞生,起源于。

    计算机采用二进制的原因不包括下列()。

    用点阵来表示汉字是计算机中常用的汉字输出码表示方法,如果用32×32点阵表示一个汉字,其中每个点用一个二进制位表示,则这个汉字需要用( )个字节来存放。

    二进制1110111转换成十六进制数结果是()。

    冯诺依曼体系结构定义的计算机硬件组成不包括下列()。

    下列器件,不属于寄存器的是()。

    从顺序表中删除具有最小值的元素(假设唯一)并由函数返回被删元素的值。空出的位置由最后一个元素填补,若顺序表为空则显示出错误信息并退出运行。

    下列有关二叉树的说确的是( ):

    为了实现递归子程序的调用,人们必须用( )来保存返回地址及有关信息。

    线性表采用链式存储时,结点的存储地址( )

    四组含c1~c7的结点序列中,哪一种是下列有向图的拓扑序列 (    )

    算法分析的两个主要方面是:( )

    算法指的是( )

    若在线性表中采用折半查找法查找元素,该线性表应该( )

    对二叉排序树进行( )遍历,可得到该二叉数所有结点构成的排序序列。

    二叉树是非线性数据结构,所以( )。

    非空的循环单链表head的尾结点指针p满足( )

    用折半查找法的查找速度比用顺序查找法的查找速度_________.

    适合折半查找的表的存贮方式及元素排列要求为( )

    折半查找有序表(4,6,10,12,20,30,50,70,88,100)。若查找表中元素58,则它将依次与表中( ) 比较大小,查找结果是失败。

    折半查找与二叉排序树的查找的时间性能( )

    将10个元素散列到100000个单元的哈希表中,则(    )产生冲突。

    若查找每个元素的概率相等,则在长度为n的顺序表上查找任一元素的平均查找长度为(  )

    对于长度为9的顺序存储的有序表,若采用折半查找,在等概率情况下的平均查找长度为(  )。

    对于长度为18的顺序存储的有序表,若采用折半查找,则查找第15个元素的比较次数为(  )。

    对于顺序存储的有序表(5,12,20,26,37,42,46,50,64),若采用折半查找,则查找元素26的比较次数为(  )

    对具有n个元素的有序表采用折半查找,则算法的时间复杂度为(  )

    图中有关路径的定义是 ( )

    设无向图的顶点个数为n, 则该图最多有( )条边

    要连通具有n个顶点的无向图,至少需要( )条边

    在一个无向图中,所有顶点的度数之和等于所有边数( )倍

    下列说法不正确的是( )

    关键路径是是事件结点网络中( )

    任何一棵二叉树的叶子结点在先序、中序和后序遍历序列中的相对次序

    在一非空二叉树的中序遍历序列中,根结点的右边

    不含任何结点的空树

    二叉树是非线性数据结构,所以

    具有n(n>0)个结点的完全二叉树的深度为

    假定在一棵二叉树中,双分支结点数为15,单分支结点数为30个,则叶子结点数为

    按照二叉树的定义,具有3个结点的不同形状的二叉树有_____种

    按照树的定义,具有3个不同数据结点的不同的树有几种?

    深度为7的二叉树至多有_____个结点

    循环队列的人队操作应为( )。

    假设用一维数组变量sq[0..n-1]实现循环队列,front和rear分别是队头和队尾指针,则出队的操作是( )

    若已知一个栈的入栈序列是1,2,3,,,,n,其输出序列为pl,p2,p3,„,pn,若p1=n, 则pi为( )

    若入栈序列是 a, b, c, d, e,则不可能的出栈序列是( )

    假设以数组a[m]存放循环队列的元素,其头尾指针分别为front和rear, 则当前队列中的元素个数为( )

    最大容量为n的循环队列,队尾指针是rear,队头是front,则队空的条 件是( )

    数据在计算机存储器内表示时,物理地址与逻辑地址相同并且是连续的,称之为( )

    一个顺序表第一个元素的顺序存储地址是100,每个元素的长度为2,则第5个元素的地址是( )

    执行折半查找法要求查找表必须为顺序结构的有序表。

    二叉判定树是一棵完全二叉树

    100个元素的有序表中,折半查找成功的最大查找长度为8

    有e条边的无向图,在邻接表中有e个结点

    有向图中顶点v的度等于其邻接矩阵中第v行中的1的个数

    有n个顶点的无向图,采用邻接矩阵表示,图中的边数等于邻接矩阵中非零元素之和的一半

    邻接矩阵适用于有向图和无向图的存储,但不能存储带权的有向图和无向图,而只能使用邻接表存储形式来存储它

    用邻接矩阵存储一个图时,在不考虑压缩存储的情况下,所占用的存储空间大小与图中结点个数有关,而与图的边数无关

    不同的求最小生成树的方法最后得到的生成树是相同的.

    连通图上各边权值均不相同,则该图的最小生成树是唯一的

    二叉树的前序遍历序列中,任意一个结点均处在其子女结点的前面

    二叉树中每个结点的两棵子树的高度差等于1

    二叉树中每个结点的两棵子树是有序的

    二叉树中每个结点有两棵非空子树或有2棵空子树

    二叉树中所有结点,如果不存在非空左子树,则不存在非空右子树

    具有20个结点的完全二叉树有9个度为2的结点

    栈是一种对所有插入、删除操作限于在表的一端进行的线性表,是一种后进先出型结构

    对于不同的使用者,一个表结构既可以是栈,也可以是队列,也可以是线性表

    栈和队列是一种非线性数据结构

    栈和队列的存储方式既可是顺序方式,也可是链接方式

    队是一种插入与删除操作分别在表的两端进行的线性表,是一种先进后出型结构

    一个栈的输入序列是12345,则栈的输出序列不可能是12345

    栈和队列逻辑上都是线性表

    栈和队列都是限制存取点的线性结构

    顺序表结构适宜于进行顺序存取,而链表适宜于进行随机存取。( )

    顺序存储方式的优点是存储密度大,且插入、删除运算效率高。( )

    链表的物理存储结构具有同链表一样的顺序。( )

    链表的删除算法很简单,因为当删除链中某个结点后,计算机会自动地将后续的各个单元向前移动。

    线性表在顺序存储时,逻辑上相邻的元素在存储的物理位置次序上相邻。( )

    设关键字序列t={20、27、9、31、5、11} 写出选择法进行排序的第2趟结果。 注意:数据之间用空格、逗号分隔

    设关键字序列t={20、27、9、31、5、11} 写出起泡法进行排序的第2趟结果。

    设关键字序列t={20、27、9、31、5、11} 写出快速排序法进行排序的第一趟结果

    假设用于通信的电文由字符集{ a, b, c, d, e }中的字母构成,这5个字母在电文中出现的概率分别为{a(0.36),b(0.10),c(0. 27),d(0.10),e(0.17)}。试构造哈夫曼编码。 问:每个字符的编码长度是多少? 注意:答案格式为: a?b?c?d?e? 将问号改为相应的字符编码长度

    写出下列二叉树的中序序列。 注意:答案中各字符间不要有其他任何字符

    写出下列二叉树的后序序列。 注意:答案中各字符间不要有其他任何字符

    求出下图的关键路径,要有过程。

    一次输入以下元素序列:56、85、88、34、78、29、80、40、91。 (1)试构造一棵二叉排序树 (2)要查找其中的数据78,需要比较多少次?

    某哈希函数为h(key)=key mod 9,采用线性探测再散列将关键字序列(78、84、91、36、45、85)填入线性hash表,并分别计算查找成功和失败的情况下的平均查找长度asl。

    编写将头指针为h2的链表链接在头指针为h1的链表之后的算法。(注意:两个链表均带头结点)

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