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填空题注意审题答案小数点后保留两位有效数字

概率论与数理统计--第五期课程封面

学科：概率论与数理统计--第五期

时间：2025-12-21 07:27:31

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<img src="https://tihai-oss-cloud.itihey.com/img/a5c86c09f8929570a57abc1baaccb2e8.jpg">注意审题答案小数点后保留两位有效数字

<img src="https://tihai-oss-cloud.itihey.com/img/444fd09a5f4251ec10c4c46148e95118.jpg">答案小数点后保留两位有效数字

O. Henry was a pen name used by an American writer of short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He did not go to school for very long, but he managed to teach himself everything he needed to know. When he was about 20 years old, O. Henry went to Texas, where he tried different jobs. He first worked on a newspaper, and then had a job in a bank, when some money went missing from the bank O. Henry was believed to have stolen it. Because of that, he was sent to prison. During the three years in prison, he learned to write short stories. After he got out of prison, he went to New York and continued writing. He wrote mostly about New York and the life of the poor there. People liked his stories, because simple as the tales were, they would finish with a sudden change at the end, to the reader's surprise小题:1. In which order did O. Henry do the following things? a. Lived in New York. b. Worked in a bank. c. Travelled to Texas. d. Was put in prison. e. Had a newspaper Job. f. Learned to write stories

A. A. e. c. f. b. d. aB. B. c. e. b. d. f. aC. C. e. b. d. c. a. fD. D. c. b. e. d. a f

O. Henry was a pen name used by an American writer of short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He did not go to school for very long, but he managed to teach himself everything he needed to know. When he was about 20 years old, O. Henry went to Texas, where he tried different jobs. He first worked on a newspaper, and then had a job in a bank, when some money went missing from the bank O. Henry was believed to have stolen it. Because of that, he was sent to prison. During the three years in prison, he learned to write short stories. After he got out of prison, he went to New York and continued writing. He wrote mostly about New York and the life of the poor there. People liked his stories, because simple as the tales were, they would finish with a sudden change at the end, to the reader's surprise小题:2. People enjoyed reading O. Henry's stories because

A. A. they had surprise endingsB. B. they were easy to understandC. C. they showed his love for the poorD. D. they were about New York City

O. Henry was a pen name used by an American writer of short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He did not go to school for very long, but he managed to teach himself everything he needed to know. When he was about 20 years old, O. Henry went to Texas, where he tried different jobs. He first worked on a newspaper, and then had a job in a bank, when some money went missing from the bank O. Henry was believed to have stolen it. Because of that, he was sent to prison. During the three years in prison, he learned to write short stories. After he got out of prison, he went to New York and continued writing. He wrote mostly about New York and the life of the poor there. People liked his stories, because simple as the tales were, they would finish with a sudden change at the end, to the reader's surprise小题:3. O. Henry went to prison because

A. A. people thought he had stolen money from the newspaperB. B. he broke the law by not using his own nameC. C. he wanted to write stories about prisonersD. D. people thought he had taken money that was not his

O. Henry was a pen name used by an American writer of short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He did not go to school for very long, but he managed to teach himself everything he needed to know. When he was about 20 years old, O. Henry went to Texas, where he tried different jobs. He first worked on a newspaper, and then had a job in a bank, when some money went missing from the bank O. Henry was believed to have stolen it. Because of that, he was sent to prison. During the three years in prison, he learned to write short stories. After he got out of prison, he went to New York and continued writing. He wrote mostly about New York and the life of the poor there. People liked his stories, because simple as the tales were, they would finish with a sudden change at the end, to the reader's surprise小题:4. What do we know about O. Henry before he began writing

A. A. He was well-educatedB. B. He was not serious about his workC. C. He was devoted to the poorD. D. He was very good at learning

O. Henry was a pen name used by an American writer of short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He did not go to school for very long, but he managed to teach himself everything he needed to know. When he was about 20 years old, O. Henry went to Texas, where he tried different jobs. He first worked on a newspaper, and then had a job in a bank, when some money went missing from the bank O. Henry was believed to have stolen it. Because of that, he was sent to prison. During the three years in prison, he learned to write short stories. After he got out of prison, he went to New York and continued writing. He wrote mostly about New York and the life of the poor there. People liked his stories, because simple as the tales were, they would finish with a sudden change at the end, to the reader's surprise小题:5. Where did O. Henry get most material for his short stories

A. A. His life inside the prisonB. B. The newspaper articles he wroteC. C. The city and people of New YorkD. D. His exciting early life as a boy

Campus Life An Apple for the Teacher American schoolchildren occasionally present an apple to the teacher. Obviously the custom contains an element of bribery 1 — you offer sweet fruit to authority figures to "sweeten" 2 their disposition3. In school children's case, the apple is offered to make their grades more favorable. Therefore, the apple has more or less acquired a corrosive4 reputation and maybe for this reason, in slang English "to apple polish" means"to flatter or fawn" and an apple polisher is a flatterer. But the custom might also be explained as a fair payment for the teacher's instruction. In the early days of public education, school teachers were not always salaried. Often they would be paid in goods and services, offered by either the school, or the pupils or the parents. . ..Therefore, the occasional gift of an apple for the teacher in today's classroom should be a welcome reminder of the era when education was one -to-one and when teaching meant enlightening the students rather than identifying their rankings. Caps and Gowns For students, the most exciting moment may be the graduation ceremony 5: parents, relative sand friends are invited to the ceremony; all the graduates are wearing black square flat caps and gowns. They all await the president to announce in the end,"Now, please move your tassels from right to left. " The caps and gowns worn by high school and college graduates today are survivors of the everyday dress worn by members of the academic community in medieval Europe. The majority of scholars in the Middle Ages6 were churchmen, or soon to become so, and their dress was often strictly regulated by the universities where they taught and studied. The standard clerical dress throughout Europe was the long black cope. The original preference for black was changed in the thirteenth and fourteenth centuries, as such colors as red, violet and purple came into fashion; but by the Renaissance black was back, as the color black symbolized simple and plain, or austere way of life in the sixteenth century. With few exceptions, modern universities keep that ceremonial austerity. The origin of the square flat cap, or mortarboard7 , is obscure, though it probably derives from the medieval biretta . Such a tufted square cap is considered the badge of the 024 master-ship, and is later adopted by undergraduates and schoolboys. The term mortarboard does not appear in English until the 1850 s. The tassel that graduates transfer from one side to another as a signal of their elevation is an outgrowth of the medieval tuft. The tuft still appears on the modern biretta, worn by bishops throughout the Church of Rome小题:1. Nowadays, American pupils always offer an apple to the teacher in order to get a better grade

Campus Life An Apple for the Teacher American schoolchildren occasionally present an apple to the teacher. Obviously the custom contains an element of bribery 1 — you offer sweet fruit to authority figures to "sweeten" 2 their disposition3. In school children's case, the apple is offered to make their grades more favorable. Therefore, the apple has more or less acquired a corrosive4 reputation and maybe for this reason, in slang English "to apple polish" means"to flatter or fawn" and an apple polisher is a flatterer. But the custom might also be explained as a fair payment for the teacher's instruction. In the early days of public education, school teachers were not always salaried. Often they would be paid in goods and services, offered by either the school, or the pupils or the parents. . ..Therefore, the occasional gift of an apple for the teacher in today's classroom should be a welcome reminder of the era when education was one -to-one and when teaching meant enlightening the students rather than identifying their rankings. Caps and Gowns For students, the most exciting moment may be the graduation ceremony 5: parents, relative sand friends are invited to the ceremony; all the graduates are wearing black square flat caps and gowns. They all await the president to announce in the end,"Now, please move your tassels from right to left. " The caps and gowns worn by high school and college graduates today are survivors of the everyday dress worn by members of the academic community in medieval Europe. The majority of scholars in the Middle Ages6 were churchmen, or soon to become so, and their dress was often strictly regulated by the universities where they taught and studied. The standard clerical dress throughout Europe was the long black cope. The original preference for black was changed in the thirteenth and fourteenth centuries, as such colors as red, violet and purple came into fashion; but by the Renaissance black was back, as the color black symbolized simple and plain, or austere way of life in the sixteenth century. With few exceptions, modern universities keep that ceremonial austerity. The origin of the square flat cap, or mortarboard7 , is obscure, though it probably derives from the medieval biretta . Such a tufted square cap is considered the badge of the 024 master-ship, and is later adopted by undergraduates and schoolboys. The term mortarboard does not appear in English until the 1850 s. The tassel that graduates transfer from one side to another as a signal of their elevation is an outgrowth of the medieval tuft. The tuft still appears on the modern biretta, worn by bishops throughout the Church of Rome小题:2. In the early days of public education, schoolteachers were paid in money

Campus Life An Apple for the Teacher American schoolchildren occasionally present an apple to the teacher. Obviously the custom contains an element of bribery 1 — you offer sweet fruit to authority figures to "sweeten" 2 their disposition3. In school children's case, the apple is offered to make their grades more favorable. Therefore, the apple has more or less acquired a corrosive4 reputation and maybe for this reason, in slang English "to apple polish" means"to flatter or fawn" and an apple polisher is a flatterer. But the custom might also be explained as a fair payment for the teacher's instruction. In the early days of public education, school teachers were not always salaried. Often they would be paid in goods and services, offered by either the school, or the pupils or the parents. . ..Therefore, the occasional gift of an apple for the teacher in today's classroom should be a welcome reminder of the era when education was one -to-one and when teaching meant enlightening the students rather than identifying their rankings. Caps and Gowns For students, the most exciting moment may be the graduation ceremony 5: parents, relative sand friends are invited to the ceremony; all the graduates are wearing black square flat caps and gowns. They all await the president to announce in the end,"Now, please move your tassels from right to left. " The caps and gowns worn by high school and college graduates today are survivors of the everyday dress worn by members of the academic community in medieval Europe. The majority of scholars in the Middle Ages6 were churchmen, or soon to become so, and their dress was often strictly regulated by the universities where they taught and studied. The standard clerical dress throughout Europe was the long black cope. The original preference for black was changed in the thirteenth and fourteenth centuries, as such colors as red, violet and purple came into fashion; but by the Renaissance black was back, as the color black symbolized simple and plain, or austere way of life in the sixteenth century. With few exceptions, modern universities keep that ceremonial austerity. The origin of the square flat cap, or mortarboard7 , is obscure, though it probably derives from the medieval biretta . Such a tufted square cap is considered the badge of the 024 master-ship, and is later adopted by undergraduates and schoolboys. The term mortarboard does not appear in English until the 1850 s. The tassel that graduates transfer from one side to another as a signal of their elevation is an outgrowth of the medieval tuft. The tuft still appears on the modern biretta, worn by bishops throughout the Church of Rome小题:3. In America, the caps and gowns are only adopted by college graduates during graduation ceremonies

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