名词选择题练习和答案
名词选择题练习和答案
一、单项选择名词
1．He made an _______ to me for losing my book.
A．apology B．ambition C．appearance D．alarm
【答案】A
【解析】
【详解】
考查名词词义辨析。句意：他为弄丢了我的书而向我道歉。A. apology道歉；B. ambition抱负；C. appearance出现；D. alarm警报。根据“for losing my book”可知，此处表示“向我道歉”，故A项正确。
2． attention to surrounding traffic is a(n) to accidents.
A．Drivers not paying; invitation B．Drivers’ not paying; invitation
C．Drivers not paying; cause D．Drivers’ not paying; cause
【答案】B
【解析】
【详解】
考查动名词和名词。句意：司机不注意周围的交通会引起事故。此处是动名词的否定形式作主语，且逻辑主语是名词所有格形式，所以第一个空应填Drivers’ not paying；第二个空，an invitation to“------的一个邀请”，结合句意此空填invitation。故选B。
3．Because of the heavy snow, the researchers failed to reach their ________ on time as expected.
A．stage B．agreement
C．kingdom D．destination
【答案】D
【解析】
【详解】
考查名词辨析。句意：由于大雪，研究人员未能如期到达目的地。A. stage阶段；B. agreement协议；C. kingdom王国；D. destination目的地，根据题意，故选D。
4．As an American living in-Tianjin for about 10 years, Chris says that it has been a ________ be a witness to China’s great progress.
A．privilege B．preference C．priority D．principle
【答案】A
【解析】
【详解】
考查名词辨析。句意：作为一个在天津生活了大约10年的美国人，克里斯说，能够见证中国的巨大进步是一种荣幸。A. privilege 荣幸；B. preference偏爱；C. priority 优先；D.
principle原则。privilege“荣幸”符合句意。故A选项正确。
5．With the help of the English teacher, he has made in his English writing.
A．a great progress B．much progress
C．little progress D．many progresses
【答案】B
【解析】
【详解】
考查不可数名词。句意：在英语老师的帮助下，他的英语写作取得了很大的进步。此处progress“进步”，是不可数名词，所以A/D不正确，再结合句意可知B项符合题意。
6．Now that the banks are back on their feet, we expect the extraordinary______ from them to help rebuild the economy.
A．category B．commitment C．component D．competence
【答案】B
【解析】
【详解】
考查名词。A. category 种类； B. commitment承诺，保证； C. component成分，组件；
D. competence能力，胜任。句意：现在银行已经恢复了元气，我们希望他们能做出非凡的承诺，帮助重建经济。结合句意可知答案为B。
7．The success of her book has given her high social .
A．status B．sculpture
C．approval D．figure
【答案】A
【解析】
【详解】
考查名词辨析。句意：她的书的成功给了她很高的社会地位。A. status地位；B. sculpture 雕塑；C. approval批准；D. figure数字，根据题意，故选A。
8．---Did you see the new movie directed by that famous director? It’s said to be ______great success.
---No, I have been busy preparing all the office______ these days.
A．/; equipments B．the; equipment C．/; equipment D．a; equipment
【答案】D
【解析】
【详解】
考查冠词和名词复数。句意：---你看过那位著名导演，导演的新电影了吗?据说非常成功。---没有，这些天我一直在忙着准备所有的办公设备。success为不可数名词，但a success强
调是“一件〔个〕成功的事或人。这是抽象名词的具体化的用法。 equipment为不可数名词，没有复数形式，不要不定冠词来修饰。故D选项正确。
【点睛】
抽象名词是指表示动作、状态、品质、感情等抽象概念的名词。抽象名词一般为不可数名词，如success，progress，pity，surprise等。但是，在一定场合下，某些抽象名词和某些物质名词可以具体化为个体名词，这时它们具有可数名词的功能，这种情况我们称之为抽象名词具体化。现将中学阶段常见的这类名词归纳如下：
一、表示抽象的特性、状态、思维以及动作行为的一次、一种、一场、一类等的名词，有时可具体化为可数名词。这时常组成“a／an＋形容词＋抽象名词”结构。如：
He has a great interest in English．他对英语显得很感兴趣。
二、表示具有某种特性、状态、情感、情绪的人或物，这类名词有的已经完全转化为可数名词，词义也有所变化。如：
抽象名词表示具有某种特性、状态、感情情绪的人或事。如：
抽象名词（不可数）具体化（个体名词，可数名词）
in surprise惊讶地 a surprise一件令人惊讶的事
win success获得成功 a success一个(件)成功的人(事)
分析句子可知，success为不可数名词，但a success强调是“一件〔个〕成功的事或人。这是抽象名词的具体化的用法。 equipment为不可数名词，没有复数形式，不要不定冠词来修饰。故D选项正确。
9．To be honest, she had a great ______ for the small town where she grew up.
A．effect B．effort
C．affection D．patience
【答案】C
【解析】
【详解】
考查名词词义辨析。句意：说实话，她对她长大的那个小镇有很深的感情。A. effect影响；B. effort努力；C. affection深情；D. patience耐心。短语have a great affection for sth. 意为“对某物钟爱，对某物有深挚的感情”。故选C。
10．-- Do you agree friends you spend time with will change your life in one way or another?
-- Couldn't agree more. Hopefully our students can show great ________ in their choices of friends.
A．accommodation B．discrimination
C．reputation D．distinction
【答案】B
【解析】
【详解】
考查名词词义辨析。句意：——你同意和你在一起的朋友会以这样或那样的方式改变你的
生活吗？——完全同意，希望我们的学生在选择朋友方面表现出很强的鉴别能力。A. accommodation住处；B. discrimination鉴别力；C. reputation名誉；D. distinction区别。根据“their choices of friends”可知此处表示“鉴别力”，故B项正确。
11．That party has been in ________ for many years and it has showed its ________ in dealing with many important problems.
A．power；energy B．power；strengths
C．force；energy D．force；strengths
【答案】B
【解析】
【详解】
考查名词辨析。句意：那个政党已经执政很多年了，并且在处理许多重要问题上显现出了它的优势。in power意为“执政、当权”，故排除C.D。energy意为“能量”， strengths意为“优势”。根据翻译可知B项正确。
12．I can’t say which one is best——it’s________personal taste.
A．a lack of B．a means of C．a manner of D．a matter of
【答案】D
【解析】
【详解】
考查名词短语辨析。句意：我无法说哪一个最好---这是个人品味问题。A. a lack of 缺乏；
B. a means of方式，方法；
C. a manner of方式；
D. a matter of…的问题。根据句意可得知D 选项符合题意。故选D。
13．They celebrate their wedding ________ every year.
A．advantage B．aim C．amount D．anniversary
【答案】D
【解析】
【详解】
考查名词词义辨析。句意：他们每年都庆祝结婚纪念日。A. advantage优势；B. aim目的；
C. amount数量；
D. anniversary周年纪念日。根据“They celebrate their wedding”可知，此处表示“结婚纪念日”，故D项正确。
14．An advantage of living on the top floor of a high rise building is that you can get a good
_________.
A．scene B．scenery
C．sight D．view
【答案】D
【解析】
【详解】
考查名词辨析。句意：住在高楼大厦顶层的优点是你能看很好地欣赏风景。A. scene 情景B. scenery景色 C. sight 景象 D. view风景。view“风景”普遍用语,指从某个角度所看到的风景。根据句意，故D选项正确。
【点睛】
Scene:1. 某地的景色、风景，指展现在眼前的情景，也可以指scenery的一部分
15．The two sides have finally reached a(n) _______ , though some small differences(分歧) still exist(存在).
A．announcement B．agreement C．amazement D．achievement
【答案】B
【解析】
【详解】
考查名词词义辨析。句意：尽管仍存在一些小分歧，但双方最终达成了一致。A. announcement宣告；B. agreement一致；C. amazement惊愕；D. achievement成就。根据“though some small differences(分歧) still exist”可推知，此处表示“达成一致”，故B项正确。
16．﹣Did you see the new movie directed by that famous director？ It's said to be ________ great fun．
﹣No． I have been busy repairing all the broken office ________ these days．（）A．a； equipment B．the； equipments
C．/； equipment D．/；equipments
【答案】C
【解析】
试题分析：句意：上文，你看了这部由那位著名导演导演的新电影了吗？据说很有趣。下文，没有。那些天我一直在忙于修理损坏的办公室设备。第一个空，抽象名词前不用冠词；第二个空，equipment是不可数名词，选C。
考点：考查冠词
17．—The trip to Yangzhou is impressive thanks to free access to tourist attractions, isn’t it?— Well, free access is just an added _____ and the real attraction lies in its local-flavor food. A．bonus B．charge C．reward D．prize
【答案】A
【解析】
【详解】
考查名词。A. bonus奖金，红利；额外令人高兴的事情；B. charge 费用，控告；C. reward报酬；D. prize奖品。句意：—扬州之旅令人印象深刻，因为可以免费进入旅游景点，不是吗?—嗯，免费进入只是一个额外的好处，真正吸引人的是它的地方风味食品。故选A。
18．There is a general _____________ among teachers about the need for greater security in schools.
A．commitment B．composition C．calculation D．consensus
【答案】D
【解析】
【详解】
考查名词。句意：教师们普遍认为有必要加强学校的安全。A. commitment承诺，保证；B. composition作文；C. calculation计算，估计；D. consensus一致，舆论。根据among teachers about the need for greater security in schools可知，这是普遍的“舆论”。故选D。
19．Actively involve yourself in voluntary work and you will see what a(an) ________ it will make to your future life.
A．influence B．contribution C．difference D．variety
【答案】C
【解析】
【详解】
本题考查固定短语。解题步骤：1.确定各项意思：A. influence影响；B. contribution贡献；
C. difference不同；
D. variety多样化；2.确定答案：固定短语make a difference有影响。句意：积极地参与志愿者的工作，你就会看见它对你未来的生活有多么大的影响。故选C。
20．Teachers have to constantly update their knowledge in order to maintain their professional ________．
A．consequence B．independence
C．competence D．intelligence
【答案】C
【解析】
【详解】
考查名词词义辨析。句意：老师们要不断地更新自己的知识以保持他们能够胜任工作的能力。A. consequence 结果； B. independence独立； C. competence 资格，能力，胜任，称职；D. intelligence 智力。根据句意，C项符合此处语境。故选C。
21．He proved himself a true gentleman and the beauty of his ___ was seen at its best when he worked with others.
A．aspect B．appearance C．talent D．character
【答案】D
【解析】
【详解】
考查名词辨析。句意：他证明了自己是一个真正的绅士，当他和别人一起工作时，他的性
格之美达到了极致。A. aspect方面；B. appearance外貌；C. talent才华，天才；D. character 性格，品质。根据句中a true gentleman 和when he worked with others.可判断绅士在工作时表现出的是性格品质，而不是外表或才华，故选D。
22．One of the Disney cartoon characters, Donald Duck, is always quick to find ____ with others and brings laugher to people of all ages.
A．mistake B．error C．blame D．fault
【答案】D
【解析】
【详解】
考查名词词义辨析。句意：迪士尼的卡通人物之一唐老鸭总是急着去挑别人的毛病，给各个年龄段的人带来笑声。A. mistake错误；B. error错误；C. blame责备；D. fault缺点、毛病。find fault with sb是固定搭配，表示“挑某人毛病”，故D项正确。
23．The worker was satisfied with his boss because he was offered a good .
A．salary B．price C．service D．reason
【答案】A
【解析】
【详解】
考查名词词义辨析。句意：这个工人对他的老板很满意，因为他的薪水很高。A. salary薪水；B. price价格；C. service服务；D. reason理由。根据The worker was satisfied with his boss可知，此处指这个工人被提供了一个好的薪水。故选A。
24．The ______ on his face told me that he was angry.
A．impression B．sight C．appearance D．expression
【答案】D
【解析】
【详解】
考查名词词义辨析。句意：他脸上的表情告诉我他生气了。A. impression印象；B. sight视力；C. appearance外观；D. expression表情。根据空后on his face可知，此处指“脸上的表情”。故选D。
25．If you feel any_____ in your neck, put a towel under your head for support when sleeping. A．tension B．abortion C．submission D．dimension
【答案】A
【解析】
【详解】
考查名词词义辨析。句意：如果你感到颈部肌肉紧张，睡觉时放一个毛巾在头下垫着。A. tension 紧张(在句中表示颈部肌肉紧张)；B. abortion 堕胎；C. submission 屈服、提交；D.
dimension 方面、维度。结合句意可知，此处用“颈部肌肉紧张”符合语境，故选A项。
26．The report at the conference analyses in detail why a new legal is needed to better protect the environment.
A．currency B．framework C．allowance D．occupation
【答案】B
【解析】
【分析】
【详解】
考查名词词义辨析。句意：会议上的报告详细分析了为什么需要一个新的法律框架来整好地保护环境。A. currency通货；B. framework框架；C. allowance津贴；D. occupation职业。根据语境和各选项分析可知，故B项正确。
27．The application of VR in classroom teaching received a mixed____among students. A．explanation B．motivation C．reception D．adaptation
【答案】C
【解析】
【详解】
考查名词辨析。句意：学生们对虚拟现实技术在课堂教学中的应用有褒贬不一的接受。A. explanation解释；B. motivation动机；C. reception接受；D. adaptation适应。根据句意，故选C。
28．The audience burst into laughter because of the____of the tongue from the host, who said, “Good ladies, evening and gentlemen”.
A．slip B．slide C．seal D．spit
【答案】A
【解析】
【详解】
考查名词词义辨析。句意：观众爆发出一阵笑声因为主持人的口误，说：“好女士，晚上和先生。” A. slip失误；B. slide滑动；C. seal印章；D. spit唾液。the slip of tongue口误，固定搭配。故选A。
29．The system has been designed to give its users quickly and easy ___to the required information.
A．way B．approach
C．manner D．access
【答案】D
【解析】
【详解】
考查名词词义辨析。句意：这套系统设计的目的是为了让学生快捷方便地获得信息。A. way方式；方法；B. approach方法；C. manner方式；D. access接近(的机会)；使用之权。access to接近，有权使用；进入，通向……的路口。access to“有权使用；查阅（或使用）的机会（或权利）”，根据句意，故选D。
30．I have a deep ________ for the city where I spent my childhood.
A．admission B．addition C．affection D．adaptation
【答案】C
【解析】
【详解】
考查名词词义辨析。句意：我对我度过童年的城市有着深厚的感情。A. admission承认；B. addition添加；C. affection感情；D. adaptation适应。have a(n)…affection for表示“对某人/物有着……样的感情”，故C项正确。
名词专题训练题
名词专题训练题 一.写出下列名词复数 leaf______ puppy_______ box_______ knife_______ fly______ fox______ bus______ bench_____ brush_____ kiss______ church______ dish_____ ruler______ peach________ glass_____ pencil________ boy______ zoo______ man______ roof_______ sheep_______ life______ lady______ key______ story______ watch______ bamboo______ city______ family______ day_____ apple_______ eraser______ speech______ thief______ mouse______ fish_____ goose____ people ______ ox_____ Chinese _______ deer _______ foot______ child_______ tooth_______ guy________ hero_______ spy______ boss_____ monkey______ city ______ goat ______ radio ________ horse ______ dog ______ 二.选择题. Part one 1. The ____ of the room were covered with ____. A. roofs, leafs B. roofs, leaves C. rooves, leafs D. rooves, leaves 2. There are three ____ in our factory. A. woman doctors B. women doctors C. woman doctor D. women doctor 3. Which do you prefer ____ or ____? A. potatos, tomatos B. potatos, tomatoes C.potatoes,tomatos D.potatoes,tomatoes 4. They are ____ of different presses(出版社). Now they are having a meeting in one of the ____ office. A. editor-in-chiefs, editors-in-chief’s B.editors-in-chief, editor-in-chief’s C. editors-in-c hiefs, editor’s-in-chief’s D.editors-in-chief,editors-in-chief’s 5. The ant has two ____. A. stomaches B. stomacks C. stomach D. stomachs 6. He doesn’t like ____ for supper. A. chick B. chicken C. chickens D. chicks 7. It was ____ hot weather that many of us went swimming. A. so B. such C. so as D. such a 8. ____ wonderful space they saw on the room! A. How B. How a C. What D. What a 9. We know ____ travels not so fast as light. A. sound B. sounds C. the sounds D. a sound 10. My family raise a lot of ____, including two ____. A. cattle, cows B. cows, cattle C. cattles, cows D.cow,cattles 11. A number of soldiers ____ at he camp gate（军营门口）. A. have gathered B. has gathered C. is D. was 12. The Browns have spent a large ____ of money on their new car. A. deal B. amount C. number D. size 13. ____ work has been done to improve the people’s living standard. A. Many B. A great many C. A great deal of D.A number of 14. Mr Li shook ____ warmly with a friend. A. hand B. a hand C. hands D. the hands 15. Two ____, please. A. coffee B. coffees C. cup of coffee D.cups coffee 16. I can’t pay as ____ as he asked for. A. high price a B. high price C. a high price D. high a price 17. ____ knowledge of space develops rapidly. A. Man’s B. Men’s C.Mens’ D.Person’s 18.I stayed at ____. A. Xiao Wang’s B. Wang’s home C. the Wangs D. home of Wang 19. Sister Carrie works in a ____ factory.A. shoes B. shoses C. shoe D. shoe’s 20. Have you ever read ____? A. today newspaper B. newspaper today C.newspaper of today D.today’snewspaper 21. Two ____ walk didn’t ma de me tired. A. hour B. hours C. hour’s D. hours’ 22. The mother over there is ____ mother. A. Julia and Mary B. Julia and Mary’s C. Julia’s and Mary’s D. Julia’s and Mary 23. Li Ming’s handwriting is better than ____ in the class. A. anyone’s B. anyone else C. anyone’s else’s D. anyone else’s 24. The children are playing ____ on the ____. A. sand, sand B. sands, sands C. sand, sands D.sands, sand 25. If these trousers are too big, buy a smaller ____. A. set B. one C. copy D. pair 26. Tom usually takes a ____ in bus on rainy days. A. walk B. ride C. trip D. travel 27. We have no ____ about where she has gone. A. information B. news C. message D. flash 28. Food and ____ are daily necessities（需要）for the people. A. cloth B. clothe C. clothes D. clothing 29. ____ has been told not to throw waste things anywhere. A. The public B. People C. Women D. Man 30. We visited him ____ when he was in hospital. A. every other days B. each other day C. every other day D. every two day 31. My friend will return in ____. A. one day or two B. a day or two C. one day or two D. a or two days 32. The police ____ looking into the matter now. A. be B. is C. are D. are going to 33. No news ____ good news. A. is B. are C. have D. has
英语名词专项练习题
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基础工程考精彩试题(名词解释、填空、选择、判断)
一．名词解释 第一章 1.地基：承担建筑物荷载的地层。 2.基础：介于上部结构与地基之间的部分，即建筑物最底下的一部分。 3.天然地基：自然状态下即可满足承担基础全部荷载要求，不需要人工处理的地基 4.人工地基：天然地基的承载力不能承受基础传递的全部荷载，需经人工处理后作为地基的 土体称为人工地基 5.浅基础：基础埋深小于5m，在设计计算中可忽略基础侧面土体的摩阻力和侧向抗力的基础 6.深基础：基础埋深大于5m，在设计计算中不能忽略基础侧面土体的摩阻力和侧向抗力的 基础 7.最不利荷载组合：参与组合起来的荷载，能产生相应的最大力学效能 第二章 1.刚性基础：不需配置受力钢筋的基础 2.柔性基础：用钢筋砼修建的基础 3.刚性角；刚性基础的宽度大小应能使所产生的基础截面弯曲，拉应力和剪应力不超过基础 材料的强度极值，从而得到墩台边缘处的垂线与基底边缘的连线间的最大夹角。 4.刚性扩大基础；也叫无筋扩展基础，由砖，毛石，混凝土，灰土和三合土等材料组成的墙 下条基或柱下独立基础 5.地基容许承载力：指地基稳定有足够安全度的承载能力，它由地基极限承载力除以一个安 全系数所得 6.持力层：直接支承基础的土层。其下的土层为下卧层。 7.下卧层：持力层地基承受的荷载是随着土体深度的加深而慢慢减小，到一定深度后土体承 受的荷载就可以忽略不计了，这时我们就把这一层往下的土体叫做下卧层 8.软弱下下卧层：地基由多层土组成时，持力层以下存在容许承载力小于持力层容许承载力 的土层时，这样的土层叫做软弱下卧层 9.桩的横向承载力：桩在与桩横轴线垂直方向受力时的承载力。 第三章 1.高桩承台基础；承台在地面或冲刷线以上的基础 2.低桩承台基础；承台在地面或冲刷线以下的基础 3.基桩；就是指群桩基础中的单桩 4.灌注桩；在现场地基中钻挖桩孔，然后在孔内放入钢筋骨架，再灌注桩身混凝土而成的桩 5.端承桩；桩顶极限荷载绝大部分由桩端阻力承担，桩侧阻力可忽略不计的桩 6.摩擦桩；桩顶极限荷载绝大部分都由桩侧阻力承担，桩端阻力可以忽略的桩 7.柱桩；也称为端承桩 8.单桩承载能力；单桩在荷载作用下，地基土和桩本身的强度和稳定性均能得到保证，变形 也在容许范围内，以保证结构物的正常使用所能承受的最大荷载 9.深度效应；桩的承载力(主要是桩端承载力)随着入土深度，特别是进入持力层的深度而变 化，这种特性称之为深度效应 10.单桩轴向承载能力：指单桩在外荷载作用下，不丧失稳定，不产生过大变形所能承受的 最大荷载 11.负摩阻力；当桩身穿越软弱土层支承在坚硬土层上，当软弱土层因某种原因发生地面沉 降时，桩周围土体相对桩身产生向下位移，这样使桩身承受向下作用的摩擦 力 12.中性点：在ln深度处桩周土与桩截面沉降相等，两者无相对位移发生，其摩阻力为零，
名词专题训练及答案
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人教版中考英语专项训练 名词专项练习题
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【英语】英语名词专项训练及答案含解析
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名词解释以及问答题
三、名词解释（每小题3分） 1．经济变量 2．解释变量3．被解释变量4．内生变量 5．外生变量 6．滞后变量 7．前定变量 8．控制变量9．计量经济模型10．函数关系 11．相关关系 12．最小二乘法 13．高斯－马尔可夫定理 14．总变量（总离差平方和）15．回归变差（回归平方和） 16．剩余变差（残差平方和） 17．估计标准误差 18．样本决定系数 19．点预测 20．拟合优度 21．残差 22．显著性检验23.回归变差 24.剩余变差 25.多重决定系数 26.调整后的决定系数 27.偏相关系数 28.异方差性 29.格德菲尔特-匡特检验 30.怀特检验 31.戈里瑟检验和帕克检验 32.序列相关性 33.虚假序列相关 34.差分法 35.广义差分法 36.自回归模型 37.广义最小二乘法38.DW 检验 39.科克伦-奥克特跌代法 40.Durbin 两步法 41.相关系数 42.多重共线性 43.方差膨胀因子 44．虚拟变量 45．模型设定误差 46．工具变量 47．工具变量法 48．变参数模型 49．分段线性回归模型 50．分布滞后模型 51．有限分布滞后模型52．无限分布滞后模型 53．几何分布滞后模型 54．联立方程模型 55．结构式模型 56．简化式模型 57．结构式参数 58．简化式参数 59．识别 60．不可识别 61．识别的阶条件 62．识别的秩条件 63．间接最小二乘法 四、简答题（每小题5分） 1．简述计量经济学与经济学、统计学、数理统计学学科间的关系。2．计量经济模型有哪些应用？ 3．简述建立与应用计量经济模型的主要步骤。 4．对计量经济模型的检验应从几个方面入手？ 5．计量经济学应用的数据是怎样进行分类的？ 6．在计量经济模型中，为什么会存在随机误差项？ 7．古典线性回归模型的基本假定是什么？ 8．总体回归模型与样本回归模型的区别与联系。 9．试述回归分析与相关分析的联系和区别。 10．在满足古典假定条件下，一元线性回归模型的普通最小二乘估计量有哪些统计性质？ 11．简述BLUE 的含义。 12．对于多元线性回归模型，为什么在进行了总体显著性F 检验之后，还要对每个回归系数进行是否为0的t 检验？ 13.给定二元回归模型：01122t t t t y b b x b x u =+++，请叙述模型的古典假定。 14.在多元线性回归分析中，为什么用修正的决定系数衡量估计模型对样本观测值的拟合优度？ 15.修正的决定系数2R 及其作用。 16.常见的非线性回归模型有几种情况？ 17.观察下列方程并判断其变量是否呈线性，系数是否呈线性，或都是或都不是。 ①t t t u x b b y ++=3 10 ②t t t u x b b y ++=log 10 ③ t t t u x b b y ++=log log 10 ④t t t u x b b y +=)/(10 18. 观察下列方程并判断其变量是否呈线性，系数是否呈线性，或都是或都不是。 ①t t t u x b b y ++=log 10 ②t t t u x b b b y ++=)(210 ③ t t t u x b b y +=)/(10 ④t b t t u x b y +-+=)1(110 19.什么是异方差性？试举例说明经济现象中的异方差性。 20.产生异方差性的原因及异方差性对模型的OLS 估计有何影响。 21.检验异方差性的方法有哪些？ 22.异方差性的解决方法有哪些？ 23.什么是加权最小二乘法？它的基本思想是什么？ 24.样本分段法（即戈德菲尔特——匡特检验）检验异方差性的基本原理及其使用条件。 25．简述DW 检验的局限性。 26．序列相关性的后果。 27．简述序列相关性的几种检验方法。 28．广义最小二乘法（GLS ）的基本思想是什么？ 29．解决序列相关性的问题主要有哪几种方法？ 30．差分法的基本思想是什么？ 31．差分法和广义差分法主要区别是什么？ 32．请简述什么是虚假序列相关。 33．序列相关和自相关的概念和范畴是否是一个意思？ 34．DW 值与一阶自相关系数的关系是什么？ 35．什么是多重共线性？产生多重共线性的原因是什么？ 36．什么是完全多重共线性？什么是不完全多重共线性？ 37．完全多重共线性对OLS 估计量的影响有哪些？ 38．不完全多重共线性对OLS 估计量的影响有哪些？ 39．从哪些症状中可以判断可能存在多重共线性？ 40．什么是方差膨胀因子检验法？ 41．模型中引入虚拟变量的作用是什么？ 42．虚拟变量引入的原则是什么？ 43．虚拟变量引入的方式及每种方式的作用是什么？ 44．判断计量经济模型优劣的基本原则是什么？ 45．模型设定误差的类型有那些？
初中名词专项练习及答案
初中英语语法专项习题-名词 1. ( ) 1 She was very happy. She_____in the maths test. A. makes a few mistake B. made a few mistakes C. made few mistakes D. makes few mistake ( ) 2 We need some more____. Can you go and get some, please? A. potato B. potatos C. potatoes D. potatoe ( ) 3 _____are____for cutting things. A. Knife/used B. Knives/used C. Knife/using D. Knives/using ( ) 4 What big____ the tiger has! A. tooth B. teeth C. tooths D. toothes ( ) 5 Please remember to give the horse some tree___. A. leafs B. leaves C. leaf D. leave ( ) 6 -Can we have some ___? -Yes, please. A. banana B. oranges C.apple D. pear ( ) 7 On the table there are five____. A. tomatos B. piece of tomatoes C. tomatoes D. tomato 2. ( ) 1 They got much ___ from those new books. A. ideas B. photos C. information D. stories ( ) 2 He gave us____ on how to keep fit.
高考名词专项练习题
高考名词专项练习题 一、单项选择名词 1．More than half of the participants said that getting married was not an important___________ for becoming an adult. A．tension B．restriction C．circulation D．criterion 【答案】D 【解析】 【详解】 考查名词。句意：超过一半的受访者表示，结婚并不是成为成年人的重要标准。A. tension 紧张；B. restriction限制，约束；C. circulation流通，传播；D. criterion标准，准则。根据getting married和becoming an adult可知，结婚是成为一个成年人的“准则”。故选D。 2．His conflicted with that of the other witnesses and yet his story had, for me, the ring of truth. A．expectation B．instruction C．response D．account 【答案】D 【解析】 【详解】 考查名词辨析。句意：他的叙述与其他目击者讲的有矛盾。然而在我看来，他所说的有可能是真的。A. expectation期望；B. instruction指示；C. response 回应 ;D. account陈述。由“yet his story”可知，account符合句意。故D选项正确。 3．As an American living in-Tianjin for about 10 years, Chris says that it has been a ________ be a witness to China’s great progress. A．privilege B．preference C．priority D．principle 【答案】A 【解析】 【详解】 考查名词辨析。句意：作为一个在天津生活了大约10年的美国人，克里斯说，能够见证中国的巨大进步是一种荣幸。A. privilege 荣幸；B. preference偏爱；C. priority 优先；D. principle原则。 privil ege“荣幸”符合句意。故A选项正确。 4．The broken window was the that the house had been broken into. A．evidence B．expression C．scenery D．function 【答案】A 【解析】 【详解】
高考英语名词专项练习
.高考英语短文改错及语法填空考点分析及训练·名词考点规律分析：短文改错的名词考点主要涉及名词的单复数问题，即在该用复数的地方误用其单数，或在该用单数的地方误用其复数。此外，还常考名词的所有格、名词与其他词类之间的转换等。语法填空主要考查名词的单复数以及名词与其他词类之间的转换。 名词单句改错之真题训练： 1. We stopped to rest for a while and to drink some waters from a stream. 2.We climb everywhere, not only in America. We have been to Europe many time. 3.There are branch library in many villages. 4.I hope that you two could come and visit us some times soon. 5.Today I visited the Smiths — my first time visit to an American family. 6. They were eager to know everything about China and asked me lots of question. 7. We study quite a few subject, such as maths, Chinese, English and physics. 8. …and often watch football match on TV together. 9.Happy birthday, Peter, and many happy return of the day! 10. She said that she and my schoolmate all wished me success. 11. I used to love science class — all of them— biology, chemistry, geography, physics. 12. They did not want me to do any work at family. 13. …so that I’ll get good mar ks in all my subject. 14.On the way up I was busy taking picture since the scenery was so beautiful. 15. No one worries much about the radio program young people listen to. 16. Their word were a great encouragement to me. 17. You know, that was a dinner we had waited for several month.” 18. …but after class we become stranger at once. 19. You can find all kinds of information in just a few minute on the Internet. 20. Nowadays millions of people of all age take pleasure in a hobby… 21. She was doing her homeworks one Sunday morning when… 22. Without enough knowledges, you can never teach well. 23..The airs we breathe is getting dirtier and dirtier. 名词单句改错之模拟训练： 1. Women live longer than men in most country. 2. The film is very interesting. I have seen it many time. 3. It’s said that all the ticket have been sold out. 4. The children spend a lot of times watching TV. 5. I met a lot of interesting peoples on holiday. 6. The flower in the park were all pleasing. 7. As the day went by, she became less anxious. 8. Computer are becoming more and more popular in the country. 9. It’s one of the most interesting book that I’ve ever read. 10. He made his first time visit to China when he was 18. 11.Hearing the news, the woman burst into tear. 12. He hasn’t lived here long, but he has a great many friend here. 13. I was afraid she would have left for family when I got there. 14. He’s getting marr ied next month and decides to buy some furnitures. 15. There’s a paper’s factory near our school. 名词单句改错之提升训练： A级 1. From then on, we became good friend and often played together. 2. Both Marx and Engels were Germen. 3.Did you take their advices yesterday? 4. Most of them are woman doctors. 5.We can have funs at the seaside this weekend. 6. There are four baskets of apple in that room. 7. This computer cost me eight thousands yuan. 8. Tom looks happy today. He’s got many good news from here. 9. This hat of my father is rather old. 10.He made many mistake in the exam because of carelessness.
名词解释题库及答案
1.《诗经》 《诗经》是中国古代诗歌的开端，也是最早的一部诗歌总集。反映了西周初期到春秋中叶约五百年间的社会面貌。《诗经》最初只称为“诗”或“诗三百”，到西汉时，被尊为儒家经典，才称为《诗经》。全篇按《风》、《雅》、《颂》三类编辑。内容丰富，反映了劳动与爱情、战争与徭役、压迫与反抗、风俗与婚姻、祭祖与宴会，甚至天象、地貌、动物、植物等方方面面，是周代社会生活的一面镜子。对后世影响深远。 2.《楚辞》 楚辞是屈原创作的一种新诗体，也是中国文学史上第一部浪漫主义诗歌总集。“楚辞”的名称，西汉初期已有之，至刘向乃编辑成集。原收战国楚人屈原、宋玉等人辞赋共十六篇。后增入《九思》，成十七篇。全书以屈原作品为主，其余各篇也是承袭屈赋的形式。以其运用楚地的文学样式、方言声韵和风土物产等，具有浓厚的地方色彩，故名《楚辞》，对后世诗歌产生深远影响。 3.古文运动 古文运动是指唐代中期以及宋朝提倡古文、反对骈文为特点的文体改革运动。因涉及文学的思想内容，所以兼有思想运动和社会运动的性质。“古文”这一概念由韩愈最先提出。他把六朝以来讲求声律及辞藻、排偶的骈文视为俗下文字，认为自己的散文继承了两汉文章的传统，所以称“古文”。韩愈提倡古文，目的在于恢复古代的儒学道统，将改革文风与复兴儒学变为相辅相成的运动。在提倡古文时，进一步强调要以文明道。除唐代的韩愈、柳宗元外，宋代的欧阳修、王安石、曾巩、苏洵、苏轼、苏辙等人也是其中的代表。 4.《红楼梦》 中国古典四大名著之首，清代作家曹雪芹创作的章回体长篇小说，共一百二十回，是一部具有世界影响力的人情小说作品，举世公认的中国古典小说巅峰之作，中国封建社会的百科全书，传统文化的集大成者。小说以贾、史、王、薛四大家族的兴衰为背景，贾宝玉、林黛玉、薛宝钗的爱情婚姻故事为主线，通过家族悲剧、女儿悲剧及主人公的人生悲剧，揭示出封建末世的危机。《红楼梦》对宫廷官场的黑暗、封建贵族的腐朽等社会现实及道德观念都进行了深刻的批判，具有极其深远的影响。 5.《呐喊》 鲁迅的第一部小说集，1923年8月首次出版。收1918年4月至1922年10月期间的作品共14篇。包括《狂人日记》、《孔乙己》、《故乡》、《阿Q正传》等著名作品。《呐喊》显示了鲁迅对传统文学和外来文艺的有机结合，成功地塑造了一系列典型形象，具有独特的民族风格和民族特色，代表了鲁迅文学创作的最高成就。它的出版，改变了文学革命初期仅有理论建树而创作不丰的局面，