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:Topi | 萌面人

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:Topi

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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.

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

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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.

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

1. Gaining the audience attention is the most fundamental function of an introduction. A:正确 B:错误 答案: 正确

2. A speaker can establish his or her credibility by quoting from an expert. A:正确 B:错误 答案: 正确

3. A rhetorical question expects immediate verbal response from the audience. A:正确 B:错误 答案: 错误

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

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

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

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()

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

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

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.

?

Chapter 2 Entrepreneurial Team Chapter 2 Test： Entrepreneurial Team

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.

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.

Chapter 3 Entrepreneurial Opportunities Chapter 3 Test： Entrepreneurial Opportunities

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

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’)

Which of the following innovations does not use the divergent 6W method? 答案: When an American social network enters Japan， it continues its existing framework and design without considering the social habits and personality characteristics of Japanese young people.

有如下代码段：public static void booleanTest() { int a = 1， b =1; if (a == b || b<0) a++; if (a <= 2 &&(!(b<0))) b=b<<1; System.out.println(a + “，” + b);} 则运行结果为： A:2，1 B:2，2 C:2，3 D:1，2 答案: 2，2

如下赋值语句中，有语法错误的是? A:float f1 = 1.2; B:float f1 = 1.2f; C:float f1 = 1; D:float f1 = 0xAE; 答案: float f1 = 1.2;

执行如下代码片段后，i和n的值分别为：int i = 10;int n =( i++) % 5; A:11， 1 B:11， 0 C:10， 1 D:10， 0 答案: 11， 0

执行如下代码片段后，num的值为：int num = 5;num = (num % 2) == 0 ? num – 1 : num + 1; A:1 B:4 C:5 D:6 答案: 6

下面哪件设备属于输出设备（ ） A:键盘 B:打印机 C:鼠标 D:扫描仪 答案: 打印机

一个矩阵的最大特征值与最小特征值的商，称为这个矩阵的条件数。使用 numpy 模块，编写 Python 程序计算矩阵 的条件数，结果为 ( ) A:1

下列变量名称中，不属于有效Java变量命名的是？ A:$num B:_int C:6nums D:Jiayou 答案: 6nums

对于Java1.7及之后版本，如下不能用于switch的类型是： A:String B:int C:char D:double 答案: double

如下对Java基本类型的描述，错误的是？ A:char占1个字节 B:int 占4个字节 C:short 占2个字节 D:double占8个字节 答案: char占1个字节

如下关于Java类的说法，错误的是？ A:对象是类的实例化 B:可以通过对象访问类变量 C:java文件中只能包含一个类的定义 D:同一类的不同对象有着相同的类变量 答案: java文件中只能包含一个类的定义

电子签名的基本组成部分是什么 A:公私钥对 B:签名算法 C:证明算法 D:快速算法 答案: 公私钥对;

广义地讲，软件泛指计算机运行所需的各种数据（ ）及与之相关的文档资料。 A:程序 B:文字处理系统 C:操作系统 D:数据库 答案: 程序

如下赋值语句，有编译错误的是？ A:byte b = -127; B:int i = (byte)512; C:byte b = 129; D:byte b = -0; 答案: byte b = 129;

Java有“一次编译，到处运行”的说法，此种说法中编译的结果是： A:机器码 B:符号表 C:字节码 D:中间代码 答案: 字节码

下列不属于Java基本数据类型的是？ A:short B:float C:Double D:int 答案: Double

如下关于JDK和JRE的说法，错误的是？ A:JDK全称Java Development Kit，意即Java开发工具包 B:JRE全程Java Runtime Environment，意即Java运行环境 C:JRE中包含了JDK D:若只需要运行编译好的Java程序，则只有JRE就可以 答案: JRE中包含了JDK

在Java中，下面对于构造函数的描述正确的是 A:类必须显式定义构造函数 B:构造函数的返回类型是void C:构造函数和类有相同的名称，并且不能带任何形参 D:一个类可以定义多个构造函数 答案: 一个类可以定义多个构造函数

Assume i and j are member variables with double type in class X. In the following codes， which one is NOT RIGHT constructor? ( ) A:double X(double k ){ i=k; return i; } B:X(double m， double n ){ i=m; j=n; } C:X( ){i=6;j=8; } D:X(double k ){ i=k; } 答案: double X(double k ){ i=k; return i; }

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.

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.

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

A:正确
B:错误
答案: 正确

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

A:正确
B:错误
答案: 正确

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

A:正确
B:错误
答案: 错误

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

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

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

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()

Choose the right statement

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

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.

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.

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.

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

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’)

Which of the following innovations does not use the divergent 6W method?

答案: When an American social network enters Japan， it continues its existing framework and design without considering the social habits and personality characteristics of Japanese young people.

有如下代码段：public static void booleanTest() { int a = 1， b =1; if (a == b || b<0) a++; if (a <= 2 &&(!(b<0))) b=b<<1; System.out.println(a + “，” + b);} 则运行结果为：

A:2，1
B:2，2
C:2，3
D:1，2
答案: 2，2

如下赋值语句中，有语法错误的是?

A:float f1 = 1.2;
B:float f1 = 1.2f;
C:float f1 = 1;
D:float f1 = 0xAE;
答案: float f1 = 1.2;

执行如下代码片段后，i和n的值分别为：int i = 10;int n =( i++) % 5;

A:11， 1
B:11， 0
C:10， 1
D:10， 0
答案: 11， 0

执行如下代码片段后，num的值为：int num = 5;num = (num % 2) == 0 ? num – 1 : num + 1;

A:1
B:4
C:5
D:6
答案: 6

下面哪件设备属于输出设备（）

A:键盘
B:打印机
C:鼠标
D:扫描仪
答案: 打印机

一个矩阵的最大特征值与最小特征值的商，称为这个矩阵的条件数。使用 numpy 模块，编写 Python 程序计算矩阵的条件数，结果为 ( )

A:1

下列变量名称中，不属于有效Java变量命名的是？

A:$num
B:_int
C:6nums
D:Jiayou
答案: 6nums

对于Java1.7及之后版本，如下不能用于switch的类型是：

A:String
B:int
C:char
D:double
答案: double

如下对Java基本类型的描述，错误的是？

A:char占1个字节
B:int 占4个字节
C:short 占2个字节
D:double占8个字节
答案: char占1个字节

如下关于Java类的说法，错误的是？

A:对象是类的实例化
B:可以通过对象访问类变量
C:java文件中只能包含一个类的定义
D:同一类的不同对象有着相同的类变量
答案: java文件中只能包含一个类的定义

电子签名的基本组成部分是什么

A:公私钥对
B:签名算法
C:证明算法
D:快速算法
答案: 公私钥对;

广义地讲，软件泛指计算机运行所需的各种数据（）及与之相关的文档资料。

A:程序
B:文字处理系统
C:操作系统
D:数据库
答案: 程序

如下赋值语句，有编译错误的是？

A:byte b = -127;
B:int i = (byte)512;
C:byte b = 129;
D:byte b = -0;
答案: byte b = 129;

Java有“一次编译，到处运行”的说法，此种说法中编译的结果是：

A:机器码
B:符号表
C:字节码
D:中间代码
答案: 字节码

下列不属于Java基本数据类型的是？

A:short
B:float
C:Double
D:int
答案: Double

如下关于JDK和JRE的说法，错误的是？

A:JDK全称Java Development Kit，意即Java开发工具包
B:JRE全程Java Runtime Environment，意即Java运行环境
C:JRE中包含了JDK
D:若只需要运行编译好的Java程序，则只有JRE就可以
答案: JRE中包含了JDK

在Java中，下面对于构造函数的描述正确的是

A:类必须显式定义构造函数
B:构造函数的返回类型是void
C:构造函数和类有相同的名称，并且不能带任何形参
D:一个类可以定义多个构造函数
答案: 一个类可以定义多个构造函数

Assume i and j are member variables with double type in class X. In the following codes， which one is NOT RIGHT constructor? ( )

A:double X(double k ){ i=k; return i; }
B:X(double m， double n ){ i=m; j=n; }
C:X( ){i=6;j=8; }
D:X(double k ){ i=k; }
答案: double X(double k ){ i=k; return i; }