高级经济实务(农业经济)试卷及答案分享-凯时尊龙登录入口

菜椒学霸网

    高级经济实务(农业经济)试卷及答案分享


    rhetoric has aquired both possitive connotations and negative connotations.

    rhetoric is only about writing.

    rherotic was used to refer to the art of effecitve public speaking.

    rheoric can be regareded as a study, a tool and an art.

    rhetoric may be defined as the faculty of observing in any given case the available means of persuasion.

    together with logic, grammar, mathematics, geometry, astronomy,and music, rhetoric was one of the 7 liberal arts in western world.

    corax of syracuse and his students tisias were the first rhetoricians in history.

    the terms associated with rhetoric change, and the rhetorical tradition has experienced shifts in emphasis.

    what are aristotle's three basic elements in rhetoric?

    which canon is the art of committing the speech to memory by mnemonic devices?

    which element is not included in the five canons of rhetoric?

    invention is the art of discovering a means for finding arguments on any topic.

    arrangement is about how to organize the words effectively.

    delivery is the art of speaking concerning the speakers’ pose, tone, gesture, facial expression, and so forth.

    style is about diction and the organization of phrase, so it’s about effective sentences, clarity, force and beauty and using figures of speech.

    the girls whispered and ________ together.

    he was _________.

    i didn't say anything like that at all. you are purposely _____ my ideas to prove your point.

    how to speak or write in a specific way?

    “tree” is absolutely a general word.

    “tree” is a superordinate(上义词)of“oak”,“elm”,“poplar” or “willow”.

    informative writing or speaking invariably has a balance of “telling” and “showing”.abstract and general expressions “tell”, while concrete and specific expressions “show”.

    “some employees have been tying up the office phones with personal calls.” is a general expression and it is preferred to blame someone without pointing out their names.

    rhetorically speaking, sentences can be sorted into _________.

    “bells rang, filling the air with their clangor, startling pigeons into flight from every belfry, bringing people into the streets to hear the news.” is a periodic sentence.

    periodic sentence is a sentence in which the subordinate idea comes first and the main idea comes last.

    汉语句子的形态为_________.

    英语句子的形态为_________.

    英语是形合的语言,汉语是意合的语言。

    英语句子一般是前重心;而汉语句子一般是后重心。

    which statement about formal words is true?

    “if thoreau had merely left us an account of a man’s life in the woods, or if he had simply retreated to the woods and there recorded his complaints about society, or even if he had contrived to include both records in one essay, his most famous book, walden, would probably not have lived a hundred years.” rhetorically speaking, it is a ______(loose/periodic/balanced) sentence.

    "the power of french literature is in its prose writers; the power of english literature is in its poets." it is a ______ (loose/periodic/balanced) sentence.

    why do we use figures of speech? it is used to _______.

    assonance is applied in “won and ran”.

    ________ is applied in the titles of pride and prejudice, sense and sensibility.

    in onomatopoeia, the sounds may be made by ______, by ______, or by_______.

    onomatopoeia is a term used to describe the phenomenon of language sounding like the thing it refers to.

    onomatopoeia is often used alone.

    “write, right and rite” are ______ with each other.

    in “if we don’t hang together we’ll hang separately.” (benjamin franklin), ______ is used.

    how to answer the question of “what is the difference between a soldier and a young girl?” with the use of pun?

    a homophone means a word that is identical to another word in spelling but not in pronunciation and meaning.

    in essence, pun is a form of word play which suggests two or more meanings.

    which type of repetition is used in the example “very, very big”?

    repetition is a figure of speech that uses similar structures in separate sentences to express related ideas and with which the sentence is emphatic and forceful.

    one of the three functions of repetition is to emphasize an idea.

    which type of repetition involves the repetition of the same word at the beginning of successive clauses, sentences or verses?

    which type of repetition is used in the following example? ____ “…but your patronage has been delayed till i am indifferent and cannot enjoy it; till i am solitary, and cannot impart it; till i am known, and do not want it. --letter to lord chesterfield by samuel johnson”

    repetition can be classified based on the pattern of repetition and place of repetition.

    in the last sentence of gettyurg address, by using anaphora of “the people”, lincoln tells us what government is and what government can do.

    which one is not the function of climax?

    how many steps does anticlimax need to gain emphasis?

    anticlimax is a figure of speech in which successive words, phrases, clauses, or sentences are arranged in ascending order of importance.

    climax is used in the example “i was born an american; i live an american; i shall die an american.--daniel webster”

    which one is the function of zeugma?

    which type of figure of speech is used in this example “when neil armstrong walked on the moon it might have been one all step for a man but it was one giant leap for mankind.”?

    “live simply so that others might simply live. --gandhi ” which figure of speech is used in this saying?

    which are the functions of chiaus?

    we can classify rhetorical questions based on whether there are obvious answers or not and whether it is a negative form or a positive form.

    the rhetorical question should be used very often for best effect.

    which one is the pattern of anadiplosis?

    which one is not the type of anadiplosis?

    which of the following example is not a palindrome?

    which figure of speech is used in the sentence "first ladies rule the state and state the rule: ladies first."

    what are the functions of palindrome?

    which of the following sentences is not a simile?

    to be effective, a metaphor should meet the following requirements:

    in metaphor, the comparison is explicit.

    “poetry is the scent of the rose, the lightening in the sky, the gleampoetry is the scent of the rose, the lightening in the sky, the gleam of the fly, the sound of the sea.” this sentence is a metaphor.

    which of the following sentences is not a metonymy?

    which of the following statements about the distinction between metaphor and metonymy is right?

    with synecdoche, the relationship between the two things involved is part-and-whole: that is, one thing is a part of the other.

    which of the following statement is correct?

    which of the following substitution is universally acknowledged?

    antonomasia also involves similarity.

    parodies can be ided into the following categories:

    to see balanchine’s choreography is to hear music with one's eyes.which of the following statements is correct about the previous sentence?

    that’s a sour joke.“a sour joke” is the mixing of the sense of taste with the sense of hearing, creating the effect of “a very unfriendly joke”.

    the logical relationships between the word modifying and the word modified are:

    “he ate with a wolfish appetite.” which of following statements is correct about the previous sentence?

    a famous “cave allegory" is used in ___.

    an allegory can __

    both allegories and parables are teaching tools.

    here is an ad: “printing company: in addition to banknotes, print everything.” what rhetorical device is used here?

    here is an ad. printing company: in addition to banknotes, print everything. what rhetorical device is used here?

    for large numbers of people the absence of work is harmful to their health. here you can see the use of overstatement.

    bill wanted the news like he wanted a hole in the head.this statement uses ______.

    it is a universal truth that a man in a good fortune must be in want of a wife. here you can see the use of innuendo.

    euphemi is used mainly for these 3 purposes: _________.

    what are the euphemistic expressions of “go to the toilet”?

    euphemi is the substitution of an agreeable or inoffensive expression for one that may offend or suggest something unpleasant.

    the use of euphemi is not determined by different cultures.

    “the graying army” is the euphemistic expression for the old people.

    there was only one catch and that was catch-22, which specified that a concern for one’s safety in the face of dangers that were real and immediate was the process of a rational mind. orr was crazy and could be grounded. all he had to do was ask; and as soon as he did, he would no longer be crazy and would have to fly more missions. orr would be crazy to fly more missions and sane if he didn’t, but if he was sane he had to fly them. if he flew them he was crazy and didn’t have to; but if he didn’t want to he was sane and had to. yossarian was moved very deeply by the absolute simplicity of this clause of catch-22 and let out a respectful whistle.(joseph heller, catch 22) what figure of speech is used in the above quotation?

    oxymoron means a statement that appears to contradict facts or common sense or itself and yet it suggests something true.

    “that man is a heracles”. which of the following statements is wrong?

    what source texts are often drawn from when allusions are used?

    explaining a joke is like dissecting a frog. here you see the use of ____.

    in the movie, forrest gump we see a now, very famous ogy which reads “life is like a box of chocolates, you do not know what you might get.” here you see the use of ____.

    which figure of speech is used in "i wish people wouldn't rustle their programs while the orchestra is playing"?

    which figure of speech is used in "little strokes fell great oaks"?

    keith: (letting go her arms) my god! if the police come... find me here...(he dashes to the door. then stops.) which figure of speech is used in the previous sentence?

    in the following poem, which figure of speech is used? "spring, the sweet spring, is the year's pleasant king; then blooms each thing, then maids dance in a ring. cold doth not sting, the pretty birds do sing; cuckoo, jug-jug, pu-we, to-witta-woo!"

    in the following poem, which figure of speech is used? "let the boy try along this bayonet-blade how cold steel is, and keen with hunger of blood; blue with all malice, like a madman's flash; and thinly drawn with famishing for flesh."

    in "speech is silver, but silence is golden", the figure of speech _______ is used.

    customer: i would like a book, please? bookseller: something light? customer: that doesn't matter. i have my car with me. in this dialogue, ______(a figure of speech) is used.

    which figure of speech is used in "i came, i saw, i conquered"?

    which figure of speech is used in "to err is human; to forgive ine"?

    which figure of speech is used in "i honored him, i trusted him, and i loved him"?

    "he lost his empire, his family and his fountain pen." which figure of speech is used in the previous sentence?

    ________ is used in the sentence "the businesan left in high spirits and a cadillac."

    which figure of speech is used in the following paragraph? "the taste of america is becoming french in its conversation, french in its comforts and french in its discomforts, french in its eating, and french in its dress, french in its manners, and will become french in its art."

    which figure of speech is used in "ask not what your country can do for you, ask what you can do for your country." (kennedy)

    _____( a figure of speech) is used in "the man is not rich because he is honest, but he is honest because he is rich."

    "he earned his bread as a dust man." it's a ________.

    _______ is used in "her heart ruled her head."

    _____ is used in "he paid the workers $ 5 per head."

    _____ is used in "love me, love my books."

    "my car runs as fast as the train." is a simile.

    our ordinary conceptual system, interms of which we both think and act, is fundamentally metaphorical in nature.

    "all the world’s a stage, and all the men and women merely players; they have their exits and their entrances, and one man in his time plays many parts, his acts being seven ages..."(w. shakespeare) it's a sustained metaphor.

    "poetry is the scent of the rose, the lightening in the sky, the gleam of the fly, the sound of the sea." it's a sustained metaphor.

    ______is used in "to oke or not to oke, that is a question."

    ____ is used in the phrase "a loud shirt".

    in the sentence "he had some cheerful wine at the party", _____ is used.

    _____ is used in "the pen is mightier than the sword."

    ______ is used in "he is too fond of the bottles."

    _____ is used in "many hands make light work. "

    which figure of speech is used in "i haven’t seen you for ages"?

    which figure of speech is used in "she was not without ambition"?

    which figure of speech is used in "he is a man who is most dependable when you are not in need"?

    "the more you give, the more you have." _____ is used in this sentence.

    in oxymoron, two opposite words are used together for the purpose of making contrast, emphasis, or humor; while in paradox, two opposite concepts are combined for the purpose of forming a concise statement to illuminate a truth or to provoke a thought.

    "this hard-working boy seldom reads more than an hour per week. " _____ is used here.

    ____(a figure of speech) is used in the saying: "when everything is important, nothing is."

    which of the following sentences is not a simile?

    which one is the pattern of anadiplosis?

    which one is not the type of anadiplosis?

    which canon is the art of committing the speech to memory by mnemonic devices?

    which element is not included in the five canons of rhetoric?

    which one is the function of zeugma?

    which of the following sentences is not a metonymy?

    in “if we don’t hang together we’ll hang separately.” (benjamin franklin), ______ is used.

    “write, right and rite” are ______ with each other.

    how to answer the question of “what is the difference between a soldier and a young girl?” with the use of pun?

    which one is not the function of climax?

    how many steps does anticlimax need to gain emphasis?

    which of the following example is not a palindrome?

    which figure of speech is used in the sentence "first ladies rule the state and state the rule: ladies first."

    which type of repetition involves the repetition of the same word at the beginning of successive clauses, sentences or verses?

    which type of repetition is used in the following example? ____ “…but your patronage has been delayed till i am indifferent and cannot enjoy it; till i am solitary, and cannot impart it; till i am known, and do not want it. --letter to lord chesterfield by samuel johnson”

    1.which figure of speech is used in "i wish people wouldn't rustle their programs while the orchestra is playing"?

    ________ is applied in the titles of pride and prejudice, sense and sensibility.

    which figure of speech is used in "i came, i saw, i conquered"?

    "he lost his empire, his family and his fountain pen." which figure of speech is used in the previous sentence?

    ________ is used in the sentence "the businesan left in high spirits and a cadillac."

    which figure of speech is used in "i honored him, i trusted him, and i loved him"?

    which figure of speech is used in "to err is human; to forgive ine"?

    which figure of speech is used in "little strokes fell great oaks"?

    keith: (letting go her arms) my god! if the police come... find me here...(he dashes to the door. then stops.) which figure of speech is used in the previous sentence?

    the girls whispered and ________ together.

    i didn't say anything like that at all. you are purposely _____ my ideas to prove your point.

    he was _________.

    which type of repetition is used in the example “very, very big”?

    which type of figure of speech is used in this example “when neil armstrong walked on the moon it might have been one all step for a man but it was one giant leap for mankind.”?

    “live simply so that others might simply live. --gandhi ” which figure of speech is used in this saying?

    which figure of speech is used in "i haven’t seen you for ages"?

    which figure of speech is used in "she was not without ambition"?

    which figure of speech is used in "he is a man who is most dependable when you are not in need"?

    "the more you give, the more you have." _____ is used in this sentence.

    "he earned his bread as a dust man." it's a ________.

    _______ is used in "her heart ruled her head."

    _____ is used in "he paid the workers $ 5 per head."

    _____ is used in "love me, love my books."

    汉语句子的形态为_________.

    英语句子的形态为_________.

    the logical relationships between the word modifying and the word modified are:

    “he ate with a wolfish appetite.” which of following statements is correct about the previous sentence?

    parodies can be ided into the following categories:

    why do we use figures of speech? it is used to _______.

    to be effective, a metaphor should meet the following requirements:

    rhetorically speaking, sentences can be sorted into _________.

    in the following poem, which figure of speech is used? "spring, the sweet spring, is the year's pleasant king; then blooms each thing, then maids dance in a ring. cold doth not sting, the pretty birds do sing; cuckoo, jug-jug, pu-we, to-witta-woo!"

    in the following poem, which figure of speech is used? "let the boy try along this bayonet-blade how cold steel is, and keen with hunger of blood; blue with all malice, like a madman's flash; and thinly drawn with famishing for flesh."

    which figure of speech is used in "ask not what your country can do for you, ask what you can do for your country." (kennedy)

    which figure of speech is used in the following paragraph? "the taste of america is becoming french in its conversation, french in its comforts and french in its discomforts, french in its eating, and french in its dress, french in its manners, and will become french in its art."

    what are aristotle's three basic elements in rhetoric?

    to see balanchine’s choreography is to hear music with one's eyes.which of the following statements is correct about the previous sentence?

    which of the following statement is correct?

    which of the following substitution is universally acknowledged?

    which are the functions of chiaus?

    英语句子一般是前重心;而汉语句子一般是后重心。

    英语是形合的语言,汉语是意合的语言。

    the terms associated with rhetoric change, and the rhetorical tradition has experienced shifts in emphasis.

    corax of syracuse and his students tisias were the first rhetoricians in history.

    that’s a sour joke.“a sour joke” is the mixing of the sense of taste with the sense of hearing, creating the effect of “a very unfriendly joke”.

    one of the three functions of repetition is to emphasize an idea.

    repetition is a figure of speech that uses similar structures in separate sentences to express related ideas and with which the sentence is emphatic and forceful.

    antonomasia also involves similarity.

    in oxymoron, two opposite words are used together for the purpose of making contrast, emphasis, or humor; while in paradox, two opposite concepts are combined for the purpose of forming a concise statement to illuminate a truth or to provoke a thought.

    "my car runs as fast as the train." is a simile.

    our ordinary conceptual system, interms of which we both think and act, is fundamentally metaphorical in nature.

    "all the world’s a stage, and all the men and women merely players; they have their exits and their entrances, and one man in his time plays many parts, his acts being seven ages..."(w. shakespeare) it's a sustained metaphor.

    "poetry is the scent of the rose, the lightening in the sky, the gleam of the fly, the sound of the sea." it's a sustained metaphor.

    运动强度越大越好

    体力劳动可以代替体育锻炼

    无氧运动致=指肌肉在无氧供能代谢状态下进行的运动

    “rice”原则包括休息,冰敷,加压包扎,抬高伤处

    功能障碍人士不应参加体育锻炼

    等重的食物提供相同的能量

    少吃多动就可以减重

    基础代谢每个人都相同

    人bmi指数18.5-24.0为体重正常

    在人体内,脂肪必须被分解成甘油和脂肪酸,才有被氧化的可能

    肥胖可显著增加肿瘤发病率

    蛋白质不参与供能,当运动超过30分钟后,体内的糖原储备和分解不足以维持运动所需能量时,蛋白质可参与供能

    肌内效贴扎技术在临床运用中以功能恢复为基本目标。

    一个基本的运动处方包括运动项目,运动强度,运动时间,运动频度4个方面。

    有氧运动时常用靶心率表示运动强度。

    膝骨关节炎发生后应该完全制动。

    前交叉韧带重建术后康复后期的目标是:全面恢复日常生活各项活动,强化肌力及稳定性。逐步恢复运动。

    踝关节急性损伤后冰敷的原则是:24小时内,每隔1-2小时,冰敷15-20分钟。可隔一层毛巾以防冻伤。

    膝关节的生理性弹响对人体是无害的,是不用治疗的。

    后交叉韧带可以预防小腿相对于大腿向后移位,维持膝关节的稳定性

    要预防膝关节内侧副韧带损伤,要避免小腿外翻,即往外撇的运动。

    髌骨和髌韧带在伸膝装置中起到杠杆作用

    根据跟腱断裂的程度,可分为完全断裂和部分断裂

    跟腱断裂手术后,踝关节应固定在轻度跖屈位3-4周

    肩周炎的好发人群为50岁左右女性

    股骨头缺血坏死最常见的病因包括

    创伤性股骨头坏死是由于

    在成人群体里面,下列谁最接近理想的健康水平

    运动对健康的影响,主要集中在

    体能训练3种核心能力是

    下列不属于人体能量来源的是

    下列不属于单糖的是

    必须氨基酸有()种

    人bmi正常范围为

    下列不属于脂肪在人体内消耗的3个步骤的是

    血糖生成指数低于()的食物为低血糖生成指数食物

    下列食物生物价最高的是

    下列蛋白能快速被人体吸收的是

    小明想要通过健身来增肌,他训练前应该避免进食的食物有

    运动处方不包括以下哪一选项

    膝关节骨关节炎的治疗目的不包括

    下列最适合腰椎间盘突出症的患者的运动是

    下列职业最易患网球肘的是

    下列情况会导致爪形手的是

    小腿上段“后沉征”见于

    体育运动是提高与促进社会适应能力最有效的方法之一

    球类运动需要良好的身体素质作为基础

    空腹运动无碍健康

    体力劳动能代替体育锻炼

    一般来说,女性的基础代谢高于男性

    通过合理的搭配,可以将“垃圾食品”变为健康食品

    对于目标增肌的健身者来说,蛋白质摄入越多越好

    运动会消耗微量元素

    膝关节骨关节炎发生后应完全制动

    膝关节周围的韧带包括前后交叉韧带,内侧三角韧带,外侧副韧带。

    股骨头缺血坏死最常见的病因包括

    创伤性股骨头坏死是由于

    在成人群体里面,下列谁最接近理想的健康水平

    运动对健康的影响,主要集中在

    体能训练3种核心能力是

    下列不属于人体能量来源的是

    下列不属于单糖的是

    必须氨基酸有()种

    人bmi正常范围为

    下列不属于脂肪在人体内消耗的3个步骤的是

    血糖生成指数低于()的食物为低血糖生成指数食物

    下列食物生物价最高的是

    下列蛋白能快速被人体吸收的是

    小明想要通过健身来增肌,他训练前应该避免进食的食物有

    运动处方不包括以下哪一选项

    膝关节骨关节炎的治疗目的不包括

    下列最适合腰椎间盘突出症的患者的运动是

    下列职业最易患网球肘的是

    下列情况会导致爪形手的是

    小腿上段“后沉征”见于

    体育运动是提高与促进社会适应能力最有效的方法之一

    球类运动需要良好的身体素质作为基础

    空腹运动无碍健康

    体力劳动能代替体育锻炼

    一般来说,女性的基础代谢高于男性

    通过合理的搭配,可以将“垃圾食品”变为健康食品

    对于目标增肌的健身者来说,蛋白质摄入越多越好

    运动会消耗微量元素

    膝关节骨关节炎发生后应完全制动

    膝关节周围的韧带包括前后交叉韧带,内侧三角韧带,外侧副韧带。

    该张量的维度是 [[ 1.3688478 1.0125661 ] [ 0.17475659 -0.02224463]]

    人工智能主流的三个学派是什么?

    以下语句实现了损失函数loss 分别对可训练参数w1和b1求偏导数,并将计算结果保存到grads列表中。 with tf.gradienttape() as tape: 前向传播过程计算y 计算总loss grads = tape.gradient(loss, [ w1, b1 ])

    设计神经网络的步骤包括:准备数据、搭建网络、优化参数、应用网络。

    神经网络可以让计算机具备感性思维,能实现图像识别、趋势预测。

    在某个三分类问题中,已知真实标签y_=(0, 0, 1),神经网络预测值分别为y1=(0.51, 0.32, 0.17),y2=(0.22, 0.73, 0.05),y3=(0.15, 0.17, 0.68),y4=(0.04, 0.03, 0.93),哪个预测值更接近真实标签?

    tf.nn.relu([[-2., 1.], [0., 3.]])的计算结果是哪个?

    下列哪一项是均方误差损失函数的代码实现?

    解决过拟合问题的方法有:

    下列属于神经网络优化器的有?

    使用sequential()函数搭建神经网络训练mnist数据集的代码为: model = tf.keras.models.sequential([ tf.keras.layers.flatten(), tf.keras.layers.dense(128, activation='relu'), tf.keras.layers.dense(10, activation='softmax')]) 请问使用model.summary()打印网络结构和参数统计中,total params的数目为?

    以下数据为训练过程中某个epoch的最终输出,其中最能直观有效反映网络准确度的数据是? 60000/60000 [==============================] - 4s 68us/sample - loss: 0.2916 - sparse_categorical_accuracy: 0.8920 - val_loss: 0.3387 - val_sparse_categorical_accuracy: 0.8770

    如果标签以数值形式给出,模型推理结果以概率形式给出,则model.compile()函数中metrics参数应选择哪一项?

    以下关于mnist数据集和fashion_mnist数据集描述正确的是?

    本课中搭建神经网络六步法包括如下步骤: 1、import 2、train, test 3、sequential / class 4、model.compile 5、model.fit 6、model.summary

    数据增强函数imagedatagenerator()的输入维度是多少?

    >>> import numpy as np >>> np.set_printoptions( ) np.set_printoptions的括号内填写什么内容,可以保证print所有内容都明文显示?

    fashion_mnist数据集的规模是多少?训练集(),测试集()。

    本讲中的功能扩展模块包括自制数据集、数据增强、断点续训、参数提取、acc/loss可视化

    如果训练集的准确率高,那么测试集的准确率也一定高。

    已知两层3×3的卷积核与一层5×5的卷积核具有相同的感受野,那么前者(3×3)和后者(5×5)的参数量和计算量是什么关系(特征图尺寸为32)?

    在批标准化(bn)操作中,如果batch size大小为32,特征图深度为16,那么该bn层的总参数以及可训练参数个数分别为:

    卷积神经网络中常用的卷积层、激活层、bn层,它们最常见的顺序是怎样的?

    在resnet的残差结构中,会涉及到特征的相加操作,即h(x) = f(x) x,该操作对f(x)和x的维度(h×w×c)有什么要求?

    本课程中搭建卷积神经网络的八股是:

    在rnn前向传播过程中按时间展开,记忆体状态信息ht、参数矩阵和两个偏置项是变化的还是不变的?

    在tf.keras.layers.simplernn()中,记忆体个数、return_sequences=false分别代表什么含义:

    对abcde这几个字母进行独热编码,共需要几位数字?

    关于tf.keras.layers.embedding(词汇表大小,编码维度),下列表述错误的是?

    关于lstm、gru,下列说法错误的是?

    你的应用程序加载你训练的fashion数据集模型,识别图片1.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片2.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片3.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片4.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片5.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片6.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片7.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片8.jpeg结果是:

    你的应用程序加载你训练的fashion数据集模型,识别图片9.jpeg结果是:

    你使用fashion数据集,搭建卷积神经网络训练模型,“测试集”识别准确率数值高于75%

    你使用fashion数据集,搭建卷积神经网络训练模型,“测试集”识别准确率数值高于80%

    你使用fashion数据集,搭建卷积神经网络训练模型,“测试集”识别准确率数值高于85%

    你使用fashion数据集,搭建卷积神经网络训练模型,“测试集”识别准确率数值高于90%

    你使用fashion数据集,搭建卷积神经网络训练模型,“测试集”识别准确率数值高于95%

    优化p38_rnn_stock.py代码中神经网络结构(可使用rnn/lstm/gru),训练结束后显示的测试集平均绝对误差小于等于70。

    优化p38_rnn_stock.py代码中神经网络结构(可使用rnn/lstm/gru),训练结束后显示的测试集平均绝对误差小于等于55。

    优化p38_rnn_stock.py代码中神经网络结构(可使用rnn/lstm/gru),训练结束后显示的测试集平均绝对误差小于等于40。

    优化p38_rnn_stock.py代码中神经网络结构(可使用rnn/lstm/gru),训练结束后显示的测试集平均绝对误差小于等于25。

    优化p38_rnn_stock.py代码中神经网络结构(可使用rnn/lstm/gru),训练结束后显示的测试集平均绝对误差小于等于10。

    为避免误食有毒的化学药品,应注意做到

    使用易燃易爆的化学药品应该注意

    如果不慎发生被玻璃割伤事故,应

    实验室必须配备符合本室要求的消防器材,消防器材要放置在明显或便于拿取的位置。严禁任何人以任何借口把消防器材移作它用。

    实验废弃物应分类存放,及时送学校废弃物中转站,最后由学校联系有资质的公司进行处理。

    水银温度计破了以后,正确的处理是:洒落出来的汞必须立即用滴管、毛刷收集起来,并用水覆盖(最好用甘油),然后在污染处撒上硫磺粉,无液体后(一般约一周时间)方可清扫。

    容量瓶在使用前必须经过清洗才能使用,以下操作步骤错误的是

    下列关于容量瓶及其使用方法的叙述,错误的是

    使用容量瓶时,下列哪个操作是错误的

    用移液管取溶液时必须用待取溶液润洗

    分析天平的称量误差是

    定量分析中常用作准确测量流出体积的量器是

    滴定管的读数为25.20ml,有效数字为( )位。

    试样称量量为1.0g,下列计算结果合理的是

    用电导率仪由稀向浓测定hac溶液的时kaθ,其最终结果应

    用电导率仪测定不同浓度 hac溶液的电导率时,其测量顺序是

    摩尔电导率 λm 与电导率 κ 之间的关系正确的是( )(c单位为mol∙l-1)

    在1滴0.1mol·l-1 cocl2中加入丙酮后,加入饱和的 kscn,溶液颜色为

    kmno4与na2so3反应的还原产物为mno2,须在何种介质条件下反应

    在1滴0.1mol·l-1 fecl3中加1滴1mol·l-1 kscn,溶液颜色为

    在酸性环境中,kmno4溶液中加入na2so3,反应出现的现象是

    在化学反应速率的测定实验中,kno3和 (nh4)2so4的作用是

    在反应速率的测定实验中,最后加入的试剂为

    量取反应物的量筒可以混用

    溶液出现蓝色后反应 s2o82- 3i- = 2so42- i3- 就终止了

    分析天平称样时,结果应记录

    滴定时对指示剂加入量的要求

    最后数据处理时,盐酸浓度的表示

    不需要用操作溶液润洗的玻璃仪器有

    双指示剂法测定混合碱时,每份试样必须连续滴定完几个终点

    混合碱中含有氢氧化钠和碳酸钠,v1 和 v2 的关系

    容量瓶使用前需要试样溶液润洗

    双指示剂法测定混合碱时,加入指示剂的顺序为先加入酚酞再加入甲基橙

    用zno为基准物来标定edta溶液的浓度时,edta溶液的实际起始体积读数为0.10,但错读为0.00,对结果的影响为

    标定edta的基准物是什么

    计算zn2 浓度为0.01 mol·l-1时,能被准确滴定的最低ph值

    用zn2 标定edta时,ph值应该控制在什么范围

    以基准zno标定edta浓度时,常用的指示剂是

    以edta为标准溶液测定铅、铋混合溶液中铅、铋含量时,测定顺序为

    用edta 滴定bi3 时,ph值应该控制在什么范围

    用edta 滴定pb2 时,ph值应该控制在什么范围

    以edta为标准溶液测定铅、铋混合溶液中铅、铋含量时,应选择的指示剂是

    硫代硫酸钠标准溶液的配制与标定中,通常使用的基准物为

    标定硫代硫酸钠溶液时的使用的指示剂为

    在用k2cr2o7标定na2s2o3溶液浓度时,由于ki与k2cr2o7反应较慢,为了使反应能进行完全,下列哪种措施是不正确

    间接碘量法中,加入淀粉指示剂的适宜时间是

    在na2s2o3溶液的配制与标定的实验中,下列说法错误的是

    硫酸铜中铜含量的测定,溶解硫酸铜用的酸为

    用碘量法测定二价铜时,加kscn的作用是

    硫酸铜中铜含量的测定实验中,要求滴定时的ph为

    硫酸铜中铜含量测定实验中,加入淀粉的适宜时机是

    硫酸铜中铜含量的实验中,加入沉淀转化剂的适宜时机是

    蒸发浓缩溶液时,应选用以下哪种器材

    下列关于减压过滤的描述错误的是

    粗硫酸铜提纯实验中,使fe2 氧化为fe3 的试剂为下列哪种

    粗硫酸铜提纯实验中,加入h2o2的目的是

    用ph试纸测定某无色溶液的ph值时,规范的操作是

    实验室中检验氯气,通常使用湿润的

    能使kmno4酸性溶液紫红色褪去的物质是

    实验室中检验二氧化硫,通常使用湿润的

    在强酸性条件下,向ki溶液中加入过量kclo3饱和溶液,水浴加热,看到的现象为

    在含有少量br-、i-的溶液中加入ccl4后逐滴加入cl2水,溶液的颜色变为

    卤素性质实验中,i2 在ccl4中的颜色为

    在0.1 mol∙l-1 kbr中,加入0.1 mol∙l-1 fecl3溶液,试管中

    下列缓冲能力最大的缓冲溶液中c(hac):c(naac)是

    缓冲溶液缓冲能力与缓冲溶液ph值的大小无关

    用蒸馏水冲洗复合电极后直接插入缓冲溶液中进行测量

    用于盛装缓冲溶液的小烧杯必须是干燥的

    机械是由原动机、 和工作机三个基本部分,加上辅助系统、控制系统及其他部分组成

    认识实验的视频中插齿机有__ ___条运动的传递路线

    插齿机中的插齿刀属于_________

    螺纹连接包括螺栓连接、螺钉连接、___________ 和紧定螺钉连接

    在传动类零件视频中介绍了_________ 、链传动 、齿轮传动和蜗杆传动

    把两个零件间的相对运动由滑动变为滚动的一类轴承是__________

    把两个轴连接起来,并且传递运动和动力的是________和离合器

    弹簧的功用有__________、储存能量、控制机构的运动和测量力的大小

    只能用于单向传动的螺纹是————————

    下列螺纹中用于连接的螺纹是———————

    两个被连接件,一个很厚,一个是20mm,还需要经常拆卸,用下列哪种连接件进行连接?

    下面哪条是带传动的主要特点?

    带传动实景操作视频中如何施加带传动实验台的预紧力?

    带传动实验中:当主动轮相对带静止不动,带上的色格现象如何?

    带传动实验中,为保证数据相对准确应如何记录数据?

    按照带传动实验中加载的要求,下面选项中哪个是正确的?

    带传动实验中平带的材料采用尼龙片基带的原因是————

    带传动实验台数据采集系统以下列________方式进行数据采集

    轴系部件这讲的视频中演示了几种轴系部件方案的组装过程?

    下面哪种不是常用的轴系部件固定方式?

    下面哪个零部件在轴系部件设计与分析实验中没有用到?

    下面哪种方式不能实现轴的轴向固定?

    普通平键的工作面是_____________

    普通平键不包括下面哪种形式?

    如图所示为轴系部件的哪种固定方式?

    如图所示为轴系部件的哪种固定方式?

    如图所示为轴系部件的哪种固定方式?

    轴系部件方案一的视频中,齿轮的两侧均采用轴肩固定,是否正确?

    轴系部件视频中的轴均采用阶梯轴的原因是考虑等强度,安装固定及装拆的要求,是否正确?

    通过摩擦磨损实验了解不同 、不同摩擦(润滑)状态时的摩擦系数与磨损量的变化。

    摩擦磨损实验用的上试件为 ,下试件为圆盘。

    摩擦磨损实验用的上试件选用标准 ,材料为gcr15钢或si3n4陶瓷等。

    摩擦磨损实验机配有数据采集测试系统,系统的硬件包括:传感器、信号放大器、 、计算机等。

    摩擦磨损实验的磨痕观察测量系统包括:金相数码显微镜、 测量软件两部分。

    进行摩擦磨损实验时,清洗试件所用工具及物品有:工具盘、 、吹风机、丙酮(酒精)、脱脂棉等。

    摩擦磨损实验机数据采集测试系统,可由计算机直接生成 随时间的变化曲线,在计算机屏幕上显示。

    摩擦学实验机上的数据采集测试系统工作过程的顺序为 。

    摩擦实验机上的数据采集卡的作用是 。

    摩擦实验机上的传感器的作用是 。

    液体形成动压的全部必要条件是 。

    液体摩擦滑动轴承,轴承磨损主要发生在 阶段

    实验用到的滑动轴承实验台功能为 。

    实验台上的滑动轴承正常工作时,轴承处于 。

    实验台上右侧轴瓦的径向上共钻有 个油孔。

    实验台轴上载荷是砝码质量经加载杠杆系统 级放大后,加到轴上。

    滑动轴承实验中比压(单位载荷)q由哪些参数来确定?下述回答正确是 。

    利用液体形成动压演示仪验证液体形成动压机理时,当油管中油柱高度降低,可能是 。

    滑动轴承实验台上的轴瓦包角为多少度,下述回答正确是

    下面选项中不是绘制机构运动简图过程中的注意事项?

    下面选项中不是平带传动的特点的是 。

    下面哪种带传动,能够得到固定的传动比?

    v带传动能够实现过载保护的原因是 。

    下面选项中不能做原动机的是 。

    下面选项中不是齿轮传动的特点的是 。

    下面选项中不是蜗杆传动的特点的是 。

    机械系统运动方案及结构分析实验,实验台的设计思想是______。

    斗式上料机实验台,没有使用如下哪种机械传动方式

    步进输送机构实验台,没有使用如下哪个零部件

    图中的实验设备的名称是

    图中的实验设备名称是

    图中的实验设备名称是

    机械是由哪几个基本部分组成的?

    机械设计零部件展柜包括哪几类零件?

    v带传动特点是

    摩擦磨损实验机配有数据采集测试系统,系统的硬件包括__________ 等。

    下列哪些可以作为原动机?

    下面哪些属于摩擦的形式?

    带传动的张紧方式有哪些?

    下面哪几类属于螺纹连接?

    轴系部件的固定方式包括__________

    轴系部件组装与分析实验中用到的零件包括_________

    以下哪几类属于传动类零件?

    形成流体动压润滑的基本条件是__________

    带传动实验中用了哪几种型式的带?

    下面哪些属于弹簧的功用?

    蜗轮蜗杆传动的特点包括____ __

    下图为一端固定,一端游动的轴系部件的固定端,图中的序号是否有错误,以及错误原因,下列说确的是——————————

    如图所示的结构,下面的说法哪些是正确的?

    如图所示的结构,下面的说法哪些是正确的?

    所属分类:大学本科习题 浏览量: 25  次

    网站地图