某种双壳动物的壳体偏长形，具有比较长的进出水管，推断它的生活方式为（）。 答案: 深埋生活 | 萌面人官网-萌面人资料铺

某种双壳动物的壳体偏长形，具有比较长的进出水管，推断它的生活方式为（）。 答案: 深埋生活

direct result of another thing， which pa

某种双壳动物的壳体偏长形，具有比较

长的进出水管，推断它的生活方式为（）。

答案: 深埋生活

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数据来源：网课题库

ttern is probably the most effective? A:

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鹦鹉螺是软体动物里的（）。

答案: 活化石

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戒烟门诊的医生指导戒烟过程中会病人，在戒烟后一段时间内可能会出现浑身难受心烦意乱咳嗦咳痰等症状，戒烟后也会出现呼吸道通畅牙齿变白体味减少等，基于HBM理论的（ ）思路

答案: 【行为评价】

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下述程序创建了一个数据框。程序最后的显示结果是( )import numpy as np
import pandas as pd
t=np.arange(1，10，2)
x=t**2
mydict={‘t’:t，’x’:x}
mydf=pd.DataFrame(mydict)
np.sum(mydf.x)

A:165
B:385
C:220
D:50
答案: 165

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头足动物的壳内被分割为多个壳室，和有孔虫类似，最后的一个壳室通常较大，是软体居住的地方，称为（）。

答案: 住室

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国际上对计算机进行分类的依据是（ ）。

A:计算机的型号
B:计算机的速度
C:计算机的性能
D:计算机生产厂家
答案: 计算机的性能

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下列生物全属于腹足纲的是（）。

答案: 蜗牛蛞蝓鲍

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肺螺亚纲的类群在陆地或者淡水生活，其特点为（）。

答案: 没有鳃，但外套腔的表面富含血管，可供呼吸

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（）为后直蛏。

答案:

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Which of the following item matters most to a public speaker?

A:Pronunciation.
B:Language proficiency.
C:Critical thinking skill.
D:Inherent talent.
答案: Critical thinking skill.

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Fundamentally， English public speaking skill will help you ______.

A:win an election by the prominent performance in an English debate of a campaign.
B:give an effective presentation in a product promotion in a company.
C:stand out in the admission interview of a postgraduate education or in a job interview.
D:transmit information， tell stories， motivate people to act or some combination of those in public occasions.
答案: transmit information， tell stories， motivate people to act or some combination of those in public occasions.

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Both the speaker of a casual conversation and that of a public speech need to _________.

A:use formal language.
B:organize their thoughts logically.
C:structure the content highly.
D:be self-centered.
答案: organize their thoughts logically.

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Which of the following four items are the qualities a good public speaker should acquire?

A:Main idea， structure， language， delivery.
B:General idea， topic sentence， examples， gestures.
C:Main idea， gesture， eye contact， confidence.
D:General idea， language， pronunciation， mannerism.
答案: Main idea， structure， language， delivery.

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Which of the following statement about English Public Speaking is TRUE?

A:One’s language competence decides the performance in a public speech.
B:Public speaking gives speakers the chance to exchange ideas.
C:Flowery language is more important than content in a public speech.
D:Public speech is a platform to voice out thoughts.
答案: Public speech is a platform to voice out thoughts.

WEEK 1 Unit 2 Testing

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下述哪行程序没有生成正态分布的随机数？ ‍ ( )

A:x=np.random.normal(10，2，5)
B:x=np.random.normal(2，5，[5，2])
C:x=np.random.normal(2，5，[2，5])
D:x=2+5*np.random.randn(10)
答案: x=np.random.normal(10，2，5)

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Public speaking anxiety is a sign of psychological weakness.

A:正确
B:错误
答案: 错误

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在计算机应用领域里，（ ）是其最广泛的应用方面。

A:过程控制
B:科学计算
C:数据处理
D:计算机辅助系统
答案: 数据处理

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You look more nervous to your audience than you actually feel.

A:正确
B:错误
答案: 错误

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With proper training， public speaking anxiety can be reduced.

A:正确
B:错误
答案: 正确

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The more familiar you are with your speech， the less nervous you may feel.

A:正确
B:错误
答案: 正确

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One should memorize every sentence of his or her speech.

A:正确
B:错误
答案: 错误

WEEK 2 Unit 3 Testing

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Choose a topic that you have been studying for years， one about which you could give a speech without any discomfort. This is the best way to acclimate yourself to public speaking within your moral and academic arena.

A:正确
B:错误
答案: 正确

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You may choose a topic which you have some knowledge but not enough to prepare a speech without further research.

A:正确
B:错误
答案: 正确

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Read and copy the Internet and professional publications to learn about the latest developments in the area you will discuss.

A:正确
B:错误
答案: 错误

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Most of the time， the best way to approach topic selection is to pick a single unifying message that you want to deliver and then scour your brain for amazing experiences that add emotional depth to the logical argument of your message.

A:正确
B:错误
答案: 正确

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When you have a real message in your head or heart – an inner urge to speak- you are almost sure to do yourself credit.

A:正确
B:错误
答案: 正确

WEEK 2 Unit 4 Testing

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下述程序绘制一条对数函数图，其中第5行的第3个参数的作用是 ( ) import numpy as np #line 1
import matplotlib.pyplot as plt #line 2
x=np.arange(1，20，0.2) #line 3
y=np.log(x) #line 4
plt.plot(x，y，’b:’，label=’logarithm curve’) #line 5
plt.xlabel(‘x’) #line 6
plt.ylabel(‘y’) #line 7
plt.legend() #line 8‍

A:指定图像的横坐标的名称
B:指定图像的纵坐标的名称
C:指定图像曲线的颜色和形状
D:指定图像的标签
答案: 指定图像曲线的颜色和形状

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十进制数215用二进制数表示是（ ）。

A:1100001
B:1101001
C:0011001
D:11010111
答案: 11010111

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Which of the following features the most common structure of a speech?

A:Topic， theme and main points.
B:Concept， illustration and example.
C:Introduction， body and conclusion.
D:Beginning， climax and ending.
答案: Introduction， body and conclusion.

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Which of the following is essential before you move into the body of your speech?

A:Amusing the audience.
B:Controlling your emotions.
C:Building suspense.
D:Previewing the main points.
答案: Previewing the main points.

本门课程完整答案：点击这里，查看 《英语演讲艺术01（20192）(西安交通大学)》mooc慕课答案2026年版

Which of the following patterns is most frequently used to organize the main points in a speech?

A:Topical pattern.
B:Chronological pattern.
C:Spatial pattern.
D:Problem-solution pattern.
答案: Topical pattern.

本门课程完整答案：点击这里，查看 《英语演讲艺术01（20192）(西安交通大学)》mooc慕课答案2026年版

If you want to show how the occurrence of one thing is a direct result of another thing， which pattern is probably the most effective?

A:Problem-solution pattern.
B:Cause-and-effect pattern.
C:Topical pattern.
D:Chronological pattern.
答案: Cause-and-effect pattern.

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Which of the following is essential before you end your speech?

A:To call for actions.
B:To appeal to audience’s emotions.
C:To review the main points or central idea.
D:To remind the audience the importance of the topic.
答案: To review the main points or central idea.

WEEK 3 Unit 5 Testing

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1. Gaining the audience attention is the most fundamental function of an introduction.

A:正确
B:错误
答案: 正确

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2. A speaker can establish his or her credibility by quoting from an expert.

A:正确
B:错误
答案: 正确

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3. A rhetorical question expects immediate verbal response from the audience.

A:正确
B:错误
答案: 错误

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4. A speaker needs to make an apology when he or she doesn’t behave very confidently.

A:正确
B:错误
答案: 错误

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5. Greeting the audience in the beginning of a speech may help the speaker release from stage fright.

A:正确
B:错误
答案: 错误

WEEK 3 Unit 6 Testing

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在微型计算机中应用最普遍的字符编码是（ ）

A:ASCII码
B:BCD码
C:汉字编码
D:补码
答案: ASCII码

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下述哪个命令不能实现普通最小二乘回归？( )

A:statsmodels.api.OLS()
B:statsmodels.formula.api.ols()
C:numpy.linalg.lstsq()
D:pandas.formula.api.ols()
答案: pandas.formula.api.ols()

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Which of the following belongs to the general types of speech?

       

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Choose the right statement

答案: Innovation practice is not high risk， and there is innovation spirit in all fields and industries.

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Choose the wrong statement

答案: John sees his cousin make a lot of money selling three no masks. He thinks that under this special epidemic period， it would be lucky to have masks. This is a rare opportunity to start a business.

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Who are they?

答案: They are cartoon characters called “entrepreneurial babies”.Analysis: there is an introduction at the end of the video. It is mainly used to urge students to complete the whole course， and also used to introduce the special emoji of this course designed by the course designer.

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Suppose you have a cousin who came back to his hometown to start his own business after graduating from university. He heard that you have taken the innovation and entrepreneurship course. And he asked you what can help him improve his success rate. Which of the following options do you choose to guide him? Choose carefully. Don’t mess with your cousin!

答案: Having a knowledge of the entrepreneurial environment and preferential policies of hometown， and trying to get a little more support on venues， funds， etc.;
Having a knowledge of the urban planning of the hometown.;
Avoiding projects prohibited and restricted by the city.

?

Chapter 2 Entrepreneurial Team Chapter 2 Test： Entrepreneurial Team

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Which of the following statement or practice is wrong??(single choice)

答案: Some people in the team leave after a period of time. After a while， new people came. It’s a lot of trouble for people to come and go. So what one can do is done by himself. There is no need to find a partner.

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Who is more suitable to be a partner in the following choices?(single choice)

答案: Joe is the founder’s classmate and roommate， and he has the same ambition as the founder.

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An entrepreneurial team is composed of three people. After half a year’s efforts， it has made a product prototype and started to push it to the market. At this time， one person in the team thinks that it’s important to achieve profits quickly， one thinks that it’s important to accumulate users quickly to occupy the market， and one thinks that improving products and providing users with better experience is the primary goal in this stage. What to do when team members disagree with each other? Which of the following is wrong:(single choice)

答案: They should work independently and advance at the same time according to their different goals.

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You have a good idea or a good project and decide to start a business. When building and managing a team， which of the followings are possible and better practices?(multiple choices)

答案: Recruit partners among schoolmates and attract people who need to join.;
After one month’s efforts， three students follow you to join the team to start a business. After negotiation， each person invests 10000 yuan， and you own 70% of the equity. Other schoolmates also own different shares of equity according to their responsibilities. And a partnership agreement is signed. You also reserve 10% of the equity.;
Half a year later， one of the partners want to withdraw. You are optimistic about the prospect of the project. So you pay 20000 yuan to buy back all the shares he owns.

Chapter 3 Entrepreneurial Opportunities Chapter 3 Test： Entrepreneurial Opportunities

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以下是冯•诺依曼体系结构计算机的基本思想之一的是（ ）

A:计算精度高
B:存储程序控制
C:处理速度快
D:可靠性高
答案: 存储程序控制

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下述哪个命令不是用来创建数据框变量的？( )

A:mydf = pandas.read_csv(‘data.csv’)
B:mydf = pandas.read_csv(‘data.txt’)
C:myfile=open(‘data.txt’)
D:df=pandas.DataFrame([[‘alice’，87]，[‘benny’，80]，[‘chris’，92]])
答案: myfile=open(‘data.txt’)

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