大一期末考试高数搜题网站-新全讯2网

数据库系统由______组成。

软件需求分析阶段的工作，可以分为4个方面：需求获取、需求分析、编写需求规格说明书以及( )。

java语言属于下列哪一种语言 ( )

下列项中非法的字符常量是( )。

用sql语言描述"在教师表中查找男教师的全部信息",以下描述正确的是（）。

下面描述中，不符合结构化程序设计风格的是 ______。

下列对象不属于ado对象模型的是( )。

access某数据库表中有姓名字段，查询姓“刘”的记录的准则是( )。

在下列说法中正确的是( )。

internet上的计算机，在通信之前需要

为了培养良好的程序设计风格，下列描述中正确的是（）

指针变量是用来存储地址的，而一般变量是存储（）的。

若有以下函数首部： int fun(double x[10],int *n) 则下面针对此函数的函数声明语句中正确的是( )。

下列表达式的值为0的是（ ）。

which of the following languages belongs to the indo-european language family?

which of the following is the second largest language family in the world?

which language family does english belong to?

what are the three fundamental elements of a language?

which of the following expressions equal(s) to lingua franca?

languages only exist in the community of humans.

with pronunciation, a language can become a spoken one.

the quality of pronunciation does not necessarily reflect the connotative meaning of the speech.

pronunciation must be produced through vocal organs.

how can you distinguish between front vowels, central vowels, and back vowels?

in the following groups of vowels, are mid vowels.

in the following statements, which one is right?

which of the following correctly describes the english phoneme /θ/?

the main difference between /m/ and /n/ lies in ________ .

/s/ and/θ/ can be distinguished by_____.

which of the following words consists of a final consonant cluster?

which of the following statements is/are correct about vowels?

in the following groups of vowels, are not all front vowels.

in the following words, have tense vowels.

in the following vowels, are back vowels.

the pairs of english phonemes_____differ in the manner of articulation.

the pair(s) of english phonemes____ differ inthe place of articulation.

in the following consonants, _______are voiceless.

tongue height, tongue backness and lip roundedness are three features that daniel jones used in developing the cardinal vowel system to describe vowels.

distinctive feature is a particular characteristic which distinguishes one sound of a language from another or one group of sounds from another group.

the vowel sound of “flour” is a triphthong.

/p/ and /b/ are both pronounced with the lips.

in terms of the place ofarticulation, /t/, /d/, /s/, /z/, and /n/ are all dental.

the word “speech” consists of an initial consonant cluster.

which of the following words is a monosyllabic word?

which of the following words consists of an open syllable?

which of the following words consists of a closed syllable?

which of the following words consists of two syllables?

liaison isn’t involved in _________.

what would you like, hot (/hɒt/) tea (/ti:/) or black coffee? in this sentence, the /t/ in “hot”and /t/ in “tea” should merge into one.

the word “walked” should be pronounced as [wɔ:ktə].

the right pronunciation of the word “see” is [xi:].

the right pronunciation of “grow” should be [ɡərəʊ].

syllable structure is a difficult area for chinese efl learners.

which syntactic constituent corresponds with intonation units more frequently?

intonation reflects in:

what is the function(s) of intonation?

a sense group can be comprised of syntactic-units such as:

which data proves the consistency of intonation-unit, syntactic-unit and sense unit?

sense equals to the meaning of a word or a phrase.

sense group refers to a group of sensory verbs.

the hierarchical structure in syntactic constituent is: sentence-phrase-clause-word.

pause is the most frequently mentioned marker of an intonation-unit boundary.

we usually identify intonation-units by pitch.

what is the function(s) of pause in a flow of speech?

how do you understand the following sentence? i didn’t come because he told me.

who might be dressed in the following sentence? she dressed and fed the baby.

how do you understand following sentences with different positions of pause: (1) i sent some presents to my friend who lives in nanjing (2) i sent some presents to my friend // who lives in nanjing

how do you understand the following sentence? lily didn’t answer my question honestly.

why chinese efl learners tend to produce too many pauses in their english speech?

choose the sentence(s) with the wrong position of pause:

the strength and duration of the pause may lead to different meanings in a flow of speech.

in sentence “mary left her mother to make a cup of coffee”, mary’s mother cannot be the one who made coffee.

in sentence “the manager chose eddie a teacher”, “teacher” may refer to eddie or someone else.

how many syllables are there in the word banana?

did you the professor’s notes today?

the president of the united states lives in the _____?

which of the following is correct?

which of the following ways are stresses correctly expressed?

which of the following are content words?

each word has only one stress and the stress in always on the vowel.

for compound adjectives (like bad-tempered, old-fashioned), the stress is on the first part.

vowel reduction is used on stressed syllables in order to make the unstressed syllables less prominent.

word stress is important because it can help you understand a word even if you did not hear it clearly.

in sentence stress, new information is usually _____while given information is ____?

which of the following responses to the question below is correctly stressed? q: what is your name?

which of the following responses to the question below is correctly stressed? q: whose name is peter?

rhythm is important in english because_____.

which of the following conversation is stressed correctly?

which of the following words or phrases are correctly stressed?

isochrony may change the lexical stress of english words when clustered together.

chinese is a “syllable-timed” language and english is a “stress-timed” language.

in english, syllables always last for a fairly constant length of time.

the nucleus of an intonationunit is usually the first content word of the unit.

chinese is a ________language. english is an________ language.

chinese has ________ basic lexical tones and one neutral tone.

in chinese,________ have relatively fixed tones.

in english, the nucleus usually occurs on the ________lexical item.

rising tone is most often used in ________.

falling tone is frequently used in ________,________,________ andexclamations.

in english, there are three primary tones, fall, rise and fall-rise.

the primary tones have two major functions, indicating sentence types and labeling information status.

to label information status,rising tone indicates the current information is new and falling tone means that the current information is given.

“hi.” with ____________expresses the speaker’s joy to see the listener.

“thank you.” with____________ sounds casual and is usually used to show gratitude for a all favor.

boundary tones often work closely with____________ to construct intonation groups.

in a british cafe, when a waitress says“sugar?”, to ask a customer whether he or she wants sugar in his or her coffee, she often uses____________.

in english, there are three secondary falling tones,____________,____________and____________.

low fall in statements conveys____________or____________.

in a conversation, the speaker’s use of ____________ or____________ at the end of statements may discourage the listener from replying.

in english, there are three secondary rising tones, low rise, high rise and rise-fall.

high fall in statements indicates that the speaker is interested or involved.

the communicative functions of tones include expressing emotions，maintaining the interactional order，building up identities and constructing the context for interpretation.

if we address to a larger group, we need to____________ the volume and pay attention to those who sit ____________ us.

native speakers of english usually talk in their daily conversation at a rate _____________per minute.

a _____________ rate usually helps us to express happiness, while a _____________ rate helps us to express sadness.

a general rule of sentence accentuation is to stress_____________ and weaken_____________ .

dale carnegie once said, “_____________, in public speech, is not mere silence-it is silence made designedly eloquent.”

public speaking serves four general purposes:___________, ___________, ___________ and ___________. （多选）

five important factors in a public speaking involve______________ , ______________,______________ ______________, and effect. （多选）

three important elements in the criteria for assessing speaking are______________ , ______________ and ______________. （多选）

top-level public speakers should bear in mind six words: accurate, fluent,_____________ , _____________, _____________and_____________. （多选）

enunciation means to pronounce words____________ , ____________ and ____________. （多选）

according to kachru’s three circles model of english, which circle would these english varieties, singaporean english, canadian english, german english, china english, indian english, belong to respectively?

what do rp and ga stand for respectively?

we often use world englishes to emphasize that the language belongs to speakers who use it as a/an _______

the goal of proposing the three circles model of english is to ________

what is the most common used model accent for learners of english as a foreign or second language?

the british and the americans are the only processors of english.

it is possible to communicate effectively among speakers of different english varieties.

both rp and ga are widely used by the well-educated people, and on national radios and tv networks.

american english is merely shaped by british english.

it is improper to use the word “englishes” under any situation.

which of the following does not involve the difference of pronunciation between rp and ga?

two speakers from different countries are discussing a picture. speakera …and the second picture, the bottom of the, the bottom of the picture, there is mmm gley house. speaker b (frowns) speaker a (register a’s frown) gley and all house. it’s very old. speaker b you mean grey house? speaker a yeah! (adapted from jenkins 2002: 82) based on the above conversation, why did these two speakers understand each other finally?

if you are going to give a talk to speakers who are from different english varieties, which of the following aspects will you pay attention to during the talk?

if a foreigner is asking you the way to a shopping market, how would you say this sentence to make the communication effectively? so you can go right, then straight, then go right again, then left, to reach all the way to the top.

if one of your friends has a strong accent when he/she speaks english, what suggestions would you give to him/her?

there are more of similarities than of differences between rp and ga.

if there is one deviated sound of some speaker’s speech, it must cause misunderstandings.

sometimes native english speakers’ speeches are not easier for us chinese speakers to understand than those of non-native english speakers.

correct pronunciation of segmentals is the most important aspect in international communication.

conveying information and making ourselves understood by listeners are the primary goal under the context of world englishes.

read and answer: who are the speakers?

read and answer: where are they?

read and answer: what is the function of sentence (22)?

read and answer : which tone should it be for sentence (29)?

we were impressed by his collection.

true or false choice (underlining indicates stressed syllables) what shall we have for dinner?

true or false choice (underlining indicates stressed syllables) i shouldn’t have thought that she could appreciate the approach.

true or false choice (underlining indicates stressed syllables)

true or false choice (underlining indicates stressed syllables)

where does the uterine artery originate:

the endometrial proliferation period is of the menstrual cycle

the effects of estrogen are:

where does the uterine artery originate:

the role of estrogen is:

the endometrial proliferation period is the menstrual cycle:

necessary conditions for fertilized egg implantation are:

placenta functions include:

necessary conditions for implantation of fertilized eggs:

the functions of the placenta include:

which of the following can accurately diagnose early pregnancy:

the normal range of fetal heart rate during full-term pregnancy is:

relationship between the longitudinal axis of fetal and the longitudinal axis of mother is called:

female, 25 years old, lmp：april 25, 2018, edc is:

hormones in the urine of pregnant women that are closely related to the function of the fetal placenta are:

which of the following can accurately diagnose early pregnancy:

the normal range of fetal heart rate during full-term pregnancy is:

relationship between the longitudinal axis of the fetal and the longitudinal axis of the mother is called:

fertilization egg implantation requires:

the function of the placenta includes:

engagement refers to：

the main force during labor is ：

the following statement about the cesarean section scar pregnancy is wrong:

the main distinguishing points of fallopian tube pregnancy and appendicitis are：

the following statement about ectopic pregnancy is wrong：

the following statement about the pregnancy at the cesarean scar site is wrong

the main points of identification of tubal pregnancy and appendicitis are

the following statements about ectopic pregnancy are wrong

fetal head engagement refers to

the main productive force in childbirth is

what is the basic pathological change of hypertensive disorders complicating pregnancy?

risk factors for preeclampsia do not include:

which of the following is false about hellp syndrome :

the characteristics of vaginal bleeding in placenta previa are：

which of the clinical manifestation of degree iii placental abruption is correct:

basic pathological changes of hypertensive disorder complicating pregnancy:

the most common causes of premature birth are:

the vaginal bleeding during placenta previa is characterized by

the clinical manifestation of degree iii placental abruption is correct:

risk factors for preeclampsia do not include:

which of the following is not a specific complication of twins?

the following description of twin pregnancy is correct:

which is incorrect about twin to twin transfusion syndrome:

which is correct statements about twin complications:

which of the following is not a clinical manifestation of acute fetal distress ：

which of the following is not a cause of fetal distress:

the following description of twin pregnancy is correct:

the following statement about twin transfusion syndrome is incorrect

the correct statement about twin comorbidities is:

which of the following is not a clinical manifestation of acute fetal distress

which of the following is not a cause of premature rupture of membranes

the diagnosis of prolonged latent phase is:

what are the characteristics of uterine contractility

when threatened uterine rupture happens, what should be done immediately?

which of the following is not consistent with the symptoms of threatened uterine rupture:

the transverse diameter of outlet is less than 200px, which diameter line should be further measured：

which of the following is correct in the diagnosis of contracted pelvis：

the transverse diameter of the pelvic outlet is less than 8cm, which diameter line should be further measured？

which of the following is correct in the diagnosis of bony birth c stenosis？

primary parturient, after fetal head aspirator and episiotomy, delivered full-term live baby, placental membrane was intact. vaginal bleeding was about 500ml 4 hours postpartum. check: bp 90/60mmhg, pulse 100 times/min, 3 uterine fundus is 3 horizontal fingers above umbilicus, clear boundary, a all amount of active vaginal bleeding, can be solidified. the most likely causes of bleeding are:

in case of threatened uterine rupture, what should be done immediately?

25 years old, 39 weeks of gestation, paroxyal abdominal pain for 20 hours, contract every 10-12 minutes, lasting 30 seconds, the cervical orifice open 2cm. the processing principle is:

which of the following is not the cause of postpartum hemorrhage：

the most common pathological type of cervical cancer is

which of the following is not a common diagnosis method for cervical cancer

which virus is closely related to the onset of cervical lesions

which of the following does pelvic inflammatory disease not include

what is the minimum diagnostic criteria for pelvic inflammatory disease?

the most common pathological types of cervical cancer are:

which of the following is not a common diagnostic method for cervical cancer:

which virus is closely related to the onset of cervical lesions?

the clinical manifestations of uterine fibroids are most related to which of the following factors:

the common pathological type of uterine fibroids degeneration does not include which of the following options:

which of the following is not the indication of uterine fibroids surgery:

the “gold standard” for diagnosis of endometriosis is：

regarding the treatment of endometriosis, which of the following statements is correct：

characteristics of adenomyosis do not include：

the clinical manifestations of uterine fibroids are most related to which of the following factors：

the common pathological types of uterine fibroids degeneration do not include which of the following options：

which of the following is not an indication for uterine fibroids surgery?

the gold standard for diagnosis of endometriosis is:

regarding the treatment of endometriosis, which of the following statements is correct：

which of the following statements of pelvic organ prolapse is wrong?

which one is wrong about the description of mature teratoma:

what's wrong with the following description of ovarian cancer?

which of the following is not a classification of epithelial ovarian tumors?

which of the following is wrong about the comparison between granulosa cell stromal tumor and sertoli cell stromal tumor?

which of the following descriptions of epithelial ovarian tumors does not conform to the characteristics of serous tumors?

the following statement about pelvic organ prolapse is wrong:

the following statements about the symptoms of stress urinary incontinence are correct:

which of the following descriptions of epithelial ovarian tumors does not conform to the characteristics of serous tumors?

which of the following is the wrong comparison between granulosa cell stromal tumor and sertoli cell stromal tumor：

which is wrong about the stage of the primary fallopian tube tumor?

the following statement about trophoblastic neopla is wrong:

which of the following statement about the hydatidiform mole is wrong:

which of the following statement about gestational trophoblastic neopla is wrong:

which of the following statement about trophoblastic neopla in the placenta is wrong:

which of the following is not a high-risk factor for endometrial cancer:

the common and valuable methods for early diagnosis of endometrial cancer are:

55 years old, female, the pathological return of diagnostic curettage: endometrial cancer (highly differentiated), imaging examination tips: 25px in the uterine cavity, no cancerous infiltration of the cervical c, which treatment plan should be preferred:

which of the following is not a high risk factor of endometrial cancer?

the commonly used and valuable method for early diagnosis of endometrial cancer is:

55 years old female, pathological results of diagnostic curettage: endometrial cancer (highly differentiated), imaging examination results: 1cm mass in uterine cavity, no cancerous infiltration of the cervical c. which treatment plan should be preferred?

where does the uterine artery comes from:

the proliferative phase of endometrium is menstrual cycle:

the triad of primary salpingocarcinoma refers to?

which of the following can accurately diagnose early pregnancy:

the relationship between the longitudinal axis of the fetal body and the longitudinal axis of the maternal body is:

the most important labor force is:

the most common cause of preterm birth is:

the characteristics of vaginal bleeding in placenta previa are:

which of the following description of twin pregnancy is correct:

which of the following is not the cause of fetal distress.

which of the following statements about screening and diagnosis of gestational diabetes is correct.

which of the following is not the cause of uterine rupture

which of the following is not the cause of postpartum hemorrhage

the most common pathological type of cervical cancer is:

which does not belong to the common pathological types of hysteromyoma degeneration:

the characteristics of uterine adenomyosis do not include:

which of the following is not a classification of epithelial ovarian tumors?

the commonly used and effective methods for early diagnosis of endometrial cancer are:

which of the following statement about hydatidiform mole is wrong:

which of the following iuds insertion time is correct:

the role of estrogen is:

简化太极拳24式中唯一一式用脚跟点地的动作叫是（ ）。

太极拳要求“虚灵顶劲”，是指头顶百会穴轻轻上提，好似头顶上有绳索悬着，从而感觉有虚灵顶劲之意。

太极拳练习中，提膝独立的动作要求提膝的腿要 。

24式简化太极拳中，云手需要几次？

太极拳不具备攻防属性。

24式简化太极拳中，第12式动作为 。

以下那个拳种是缓慢、松柔、轻灵的？

太极拳要求形神兼备，但不要求内外合一。

二十四式太极拳第三式为 ？

左下势独立与右下势独立动作一致、方向相反。

24式简化太极拳中第15式的动作名称为左右穿梭。

海底针中虚步为 （左、右）虚步。

24式简化太极拳完整动作演练下来大约需要5分钟左右。

收势时应该收 脚（哪只脚并步）。

在练习103势太极拳过程中应该注意呼吸、动作缓慢、匀速。

103势太极拳中第5势的动作名称是 。

进步搬拦捶是由搬、拦、捶三个动作构成。

103势太极拳中，第13式的动作名称为 。

103势太极拳属于陈式太极拳。

103式太极拳中，第22势的动作名称是 。

转身撇身捶与进步搬拦捶是同一个动作。

第42势的动作名称为 。

左蹬脚时，力点在左脚脚跟。

第56式的动作名称为 。

103势太极拳中金鸡独立与24式简化太极拳中下势独立是同一动作。

玉女穿梭左右方向共做 次。

揽雀尾动作主要的劲力为棚、捋、挤、按。

第81式的动作名称是 。

进步指裆捶的攻防含义是指攻击对方裆部。

第89势动作名称是 。

太极拳只是一种单纯的运动，毫无哲学可言。

太极拳是二十一世纪才诞生的运动，1934年民国时期没有太极拳运动。

24式简化太极拳也叫简化太极拳，是体委（现为体育总局）于1956年组织太极拳专家汲取 之精华编串而成的。

以下哪一个动作不属于24式简化太极拳中的动作？

103式传统太极拳属于 ？

下列关于24式简化太极拳与103式传统太极拳的说确的是？

以下哪一个动作不属于103式传统太极拳中的动作？

《太极功夫》慕课课程分为哪几个部分？

以下哪些属于太极拳的运动特点或运动特征？

以下太极拳中，哪些选项属于主流太极拳流派？

24式简化太极拳中，以下哪些动作是虚步脚尖着地的？

长期坚持太极拳运动 ？

最初，太极拳是结合古代的养生术、导引术，戚继光的三十二式长拳以及古代的“阴阳”学说改编而来的。

24式太极拳是最简单的太极拳，一切太极拳套路都是由24式太极拳引出的。

24式简化太极拳和103式太极拳都属于传统太极拳。

太极拳分为传统太极拳和竞技太极拳，103式太极拳属于传统太极拳。

太极拳是由张三丰创出的。

太极拳的创始人是 ？

24式简化太极拳中第十二式的动作名称是？

24式太极拳中第18式动作名称为？

当代太极拳的主流流派为 、杨式太极拳、孙式太极拳、吴式太极拳、武式太极拳?

太极拳的八大劲力为掤、捋、 、按、采、挒、肘、靠。

从现代健康观的角度看，完整意义上的健康以下哪三方面的完满状态？

从学生的“具体表现”来看，青少年心理健康标准包括以下哪些方面？

影响学生心理健康的因素有哪些？

当前常用判断心理健康与否的标准有哪些？

在当代教育视野中，学校心理健康教育是一种以什么为理念的教育活动？

在当代教育视野中，学校心理健康教育是一种以什么为中心的教育活动？

中小学心理健康教育有哪些原则？

中小学心理健康教育的任务包括哪两个方面？

下面哪一项不属于学习策略的分类？

自我意识的三大支柱是哪些？

教师可以从哪几个方面对学生进行性心理辅导？

生涯规划包括哪两方面的内容？

以学生为主体的心理健康教育原则有哪些？

班主任工作中渗透心理健康教育的原则是什么？

课堂管理模式不包含哪一种？

在校园文化建设中渗透心理健康教育哪个思路或想法是不可取的？

以学生为主体的心理健康教育原则有哪些？

班主任工作中渗透心理健康教育的原则是什么？

科技活动中渗透心理健康教育包括哪几种方法？

艺术活动中渗透心理健康教育有哪些原则？

社会实践活动中渗透心理健康教育应遵循哪些原则？

心理健康活动课程的教学原则包含哪些？

影响课程设计的特殊因素有哪些？

团体心理训练有哪些优点？

以下内容不属于阻抗表现形式的是？

行为疗法有哪些主要方法？

合理情绪疗法分为哪几个阶段？

心理咨询与心理治疗的不同点包含哪些？

常见的心理问题有哪些？

典型的心理障碍不包括？

针对课程中固执己见的学生，我们要如何教育学生正视现实？

从现代健康观的角度看，完整意义上的健康包括以下哪三个方面的完满状态？

下列哪项不是亲少年心理健康的标准？

下面哪一项不属于学习策略的分类？

课堂管理模式不包括哪一种？

心理健康活动课程的教学原则包括哪些？

在校园文化建设中渗透心理健康教育哪个思路是不可取的？

以下内容不属于阻抗表现形式的是？

行为疗法有哪些主要方法？

合理情绪疗法分为哪几个阶段？

典型的心理障碍不包括下面哪一项？

中小学心理健康教育有哪些原则？

中小学心理健康教育的任务包括哪两个方面?

以学生为主体的心理健康原则有哪些？

心理咨询与心理治疗的不同点不包括哪些？

针对固执己见的学生，我们要如何教育学生正视现实？

心理咨询的对象是正常人，目的为解决日常问题，而心理治疗的对象是存在心理障碍的病人，目的是治疗心理疾病。

团体心理训练设计的内容包括团体名称、训练时长、辅导员资料、成员及规模、活动安排、活动准备、评估方法和大致方案八个部分。

放松疗法的基本原理是在放松的状态下，大脑皮层的唤醒水平下降，兴奋性降低，全身肌肉放松，使紧张的情绪得到缓解，进而促进身心的健康。

系统脱敏疗法的原理是通过诱导来访者快速地暴露焦虑，再对其进行心理放松的训练，帮助其对抗焦虑的症状，建立刺境与放松反应之间的联系，从而达到消除神经症的目的。

对于恐惧症的学生我们需要使用放松疗法，并对其进行倾听、保证和鼓励，必要时对其进行系统脱敏疗法，帮助学生逐渐消除恐惧。

学习动机是指激发和维持学习活动，并使行为朝向一定的学习目标的一种内部心理状态。学生优异的学习成绩和其稳定的学习成绩密切相关。

团体心理训练就是在多名成员参与的情景下，有针对性地区开展活动，协助个体开发心理潜能或解决心理障碍的一种心理辅导形式。其优点有影响广泛、效率高、效果易巩固等，但是非常不适用于人际交往训练。

心理咨询的过程分为开始阶段、指导与帮助阶段、巩固与结束阶段。在开始阶段，咨询师与来访者建立信任、真诚、接纳的咨询关系，这是心理咨询的起点和基础。

神经症是一组精神障碍的总称，包括神经衰弱、强迫症、焦虑症三种。

讲话方式上的阻抗不属于表现形式

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工程构件的失效形式很多，工程力学主要研究三种失效形式是（）。

力学的定义。

工程力学包括哪些内容？

在现实生活中存在刚体。

静力学研究的对象是（）。

下列说确的是（）

力的三要素是（）。

力是矢量，力的投影是代数量。

力偶对物体（）的转动时取正。

平面任意力系可以列（）个独立的平衡方程。

关于平面力系的主矢和主矩，下列说确的是（）

力往一点平移后，与一个力和一个力偶等效。

在一个平面内，力偶是（）。提示：填矢量或代数量。

关于力偶系的说确的是（）

关于空间任意力系下列说确的是（）。

在空间内，力对点的矩是矢量，力对轴的矩是代数量。

一个空间任意力系，往一点平移后得到一个空间汇交力系和一个空间力偶系，空间汇交力系的合力称为该力系的（）。

关于应力应变的概念错误的是（）

材料的基本假设包括（）

采用截面法求杆件的内力，取左右两侧得到的结果，大小相同，符号相反。

为了研究方便，一般将应力分解为与截面垂直和与截面相切两个方向的分量，与截面垂直的分量称为（）

许用应力等于极限应力除以安全系数，对塑性材料，极限应力一般取为（ ）。

低碳钢拉伸过程经历的四个阶段是（）

屈服极限和强度极限是强度指标，延伸率和断面收缩率是塑性指标。

屈服强度是屈服阶段的最（）应力。提示：填大或小

关于连接件和被连接件，下列正确的是（）。

关于剪切和挤压应力的计算，下面说确的是（）。

计算挤压应力的挤压面积是指挤压接触面在垂直于挤压方向的投影面积。

在连接件和被连接件中，（）不存在剪切强度问题。提示：填连接件或被连接件。

关于扭转强度和刚度，表述正确的是（）。

扭转切应力的推导过程，用到了三个基本关系是（）。

在两个相互垂直平面的交线处，切应力必然成对存在，且数值相等，方向都垂直于两平面的交线，共同指向或背离该交线。

材料相同的圆轴，横截面面积相同的空心圆轴和实心圆轴相比，空心圆轴的强度（）实心圆周的强度。（大于、小于、等于）

关于平面图形的形心错误的是（）。

关于惯性矩和惯性积的表述正确的是（）。

平面图形对形心轴的静矩等于零。

平面图形对任意两个互相垂直的坐标轴的惯性矩之和（）它对两轴交点的极惯性矩。（等于、不等于）

下列说法中正确的说法为（ ）。

根据导数的几何意义，关于剪力、弯矩和载荷集度的微分关系，下列说确的是（）。

由轴线和横截面的对称轴构成的平面为梁的纵向对称面。

中性层与横截面的交线称为（）。

在一点的应力状态中，以下关于主应力的结论那个正确？

关于强度理论的论述，下面正确的（）。

一个单元体上任意两个主应力差的一半肯定是切应力的极值。

第三强度理论又称为（）理论。

两根材料和柔度都相同的压杆，则下列结论中正确的是（）。

压杆柔度的影响因素包括（）。

欧拉公式只适用于细长压杆。

一端自由、一端固定的细长压杆的长度系数是（）。

第11章是本次慕课的最后一章，感谢你能坚持到最后，感谢你的陪伴和支持！这是我们的第四期慕课，还有很多不完善的地方，在课程结束之前，希望能留下你对本次慕课的评价！也希望你能把我们的慕课推荐给你的同学和朋友，再次感谢！

关于组合变形的求解的说法错误的是（）。

组合变形求解的基本步骤包括（）。

在工程实际中，许多杆件在外力作用下会产生两种或两种以上的基本变形，这种变形称为组合变形。

偏心拉压本质上是轴向拉压与（）的组合变形。

力学的定义（）。

下列说确的是（）。

平面任意力系可以列( )个独立的平衡方程。

关于力偶系的说确的是( ）

关于应力应变的概念错误的是( ）

许用应力等于极限应力除以安全系数，对塑性材料，极限应力一般取为（ ）。

关于扭转强度和刚度，表述正确的是（）

下列说法中正确的说法为( )

在一点的应力状态中，以下关于主应力的结论那个正确？( ）

关于组合变形的求解的说法错误的是( ）。

关于平面图形的形心错误的是( ）

关于连接件和被连接件，下列正确的是( ）

两根材料和柔度都相同的压杆，则下列结论中正确的是( ）

材料的基本假设不包括( ）

压杆柔度的影响因素不包括( ）

力的三要素是( ）

关于平面力系的主矢和主矩，下列说确的是（）

关于空间任意力系下列说确的是( ）

低碳钢拉伸过程经历的四个阶段是( ）

扭转切应力的推导过程，用到了三个基本关系是( ）

关于惯性矩和惯性积的表述正确的是( ）

根据导数的几何意义，关于剪力、弯矩和载荷集度的微分关系，下列说确的是( )

关于强度理论的论述，下面正确的（）。

组合变形求解的基本步骤包括( ）

关于剪切和挤压应力的计算，下面说确的是（）。

力是矢量，力的投影是代数量。

力往一点平移后，与一个力和一个力偶等效。

在空间内，力对点的矩是矢量，力对轴的矩是代数量。

采用截面法求杆件的内力，取左右两侧得到的结果，大小相同，符号相反。

屈服极限和强度极限是强度指标，延伸率和断面收缩率是塑性指标。

在两个相互垂直平面的交线处，切应力必然成对存在，且数值相等，方向都垂直于两平面的交线，共同指向或背离该交线。

由轴线和横截面的对称轴构成的平面为梁的纵向对称面。

一个单元体上任意两个主应力差的一半肯定是切应力的极值。

在工程实际中，许多杆件在外力作用下会产生两种或两种以上的基本变形，这种变形称为组合变形。

计算挤压应力的挤压面积是指挤压接触面在垂直于挤压方向的投影面积。

静力学研究的对象是______。提示：刚体或变形体

一个空间任意力系，往一点平移后得到一个空间汇交力系和一个空间力偶系，空间汇交力系的合力称为该力系的________。

为了研究方便，一般将应力分解为与截面垂直和与截面相切两个方向的分量，与截面垂直的分量称为______

屈服强度是屈服阶段的最______应力。提示：填大或小

材料相同的圆轴，横截面面积相同的空心圆轴和实心圆轴相比，空心圆轴的强度________实心圆周的强度。（大于、小于、等于）

平面图形对任意两个互相垂直的坐标轴的惯性矩之和_______它对两轴交点的极惯性矩。（等于、不等于）

中性层与横截面的交线称为_______。

第三强度理论又称为______理论。

偏心拉压本质上是轴向拉压与_______的组合变形。

在连接件和被连接件中，_______不存在剪切强度问题。提示：填连接件或被连接件