第一章 单元测试
1、判断题：
A person’s pronunciation has nothing to do with his or her listening competence. ( )
选项：
A:错
B:对
答案: 【错】
2、判断题：
An effective way to locate stress in a word is to check the dictionary. ( )
选项：
A:对
B:错
答案: 【对】
3、多选题：
Which of the following words are correct in stress? ( )
选项：
A:economic /ɪ’kɒnəmɪk/
B:economical /ɪ’kɒnəmɪkl/
C:economy /ɪ’kɒnəmɪ/
D:economist /ɪ’kɒnəmɪst/
答案: 【economy /ɪ’kɒnəmɪ/;
economist /ɪ’kɒnəmɪst/】
4、多选题：
Which of the following English vowels CANNOT be found in Chinese articulation? ( )
选项：
A:/ai/
B:/e/
C:/eə/
D:/æ/
答案: 【/ai/;
/e/;
/eə/;
/æ/】
5、多选题：
Which of the following words share the same vowel in pronunciation? ( )
选项：
A:beer
B:wear
C:pair
D:bear
答案: 【wear;
pair;
bear】
6、单选题：
Listen to the following conversation and answer Questions 6-10. What is the possible relationship between Clare and Beppe? ( )
选项：
A:Relatives.
B:Old friends.
C:Teacher and student.
D:They are on a language exchange program.
答案: 【They are on a language exchange program.】
7、单选题：
Beppe speaks ( ) and wants to improve his ( ) .
选项：
A:English, French
B:Italian, French
C:Italian, English
D:English, accent
答案: 【Italian, English】
8、单选题：
What was Beppe’s last job? ( )
选项：
A:To deal with people’s computer problems on the phone.
B:To help people solve emotional problems.
C:To make phone calls to sell computers.
D:To help people solve pschological problems.
答案: 【To deal with people’s computer problems on the phone.】
9、单选题：
What’s Beppe’s new job? ( )
选项：
A:Working as an operator.
B:Working as a receptionist.
C:Writing computer programs for a bank.
D:Dealing with people’s computer problems.
答案: 【Writing computer programs for a bank.】
10、单选题：
Why is Beppe happy with his new job? ( )
选项：
A:Because he’s working all the time.
B:Because he can earn more money.
C:He can go together with Scottish friends on weekends.
D:Because it’s a relaxing job.
答案: 【Because he can earn more money.】
11、单选题：
Listen to the following passage and complete Statements 11-15. Then try to practice shadow reading sentence by sentence or phrase by phrase. When the first rose appeared on earth it was pure white. A nightingale saw the rose and flew over to see it more clearly. When it looked closely at the rose the nightingale fell into ()at its beauty.
选项：
A:ecstacied
B:ecastacy
C:ecstacying
D:ecstacies
答案: 【ecastacy】
12、单选题：
The little bird ______ its breast against the flower and began to sing.
选项：
A:pressing
B:prest
C:press
D:pressed
答案: 【pressed】
13、单选题：
As it sang it ( ) to feel the thorns that tore its breast andand pierced its heart.
选项：
A:ceases
B:ceasing
C:cease
D:ceased
答案: 【ceased】
14、单选题：
The blood ran down from the its heart and ( ) the rose crimson red.
选项：
A:staining
B:stained
C:stains
D:stain
答案: 【stained】
15、单选题：
Towards the centre, where the blood did not reach, the rose was paler — as it ( ) to this day.
选项：
A:remain
B:remained
C:remains
D:remaining
答案: 【remains】
第二章 单元测试
1、判断题：
When speakers of English are speaking, they pronounce each word as clearly as possible. ( )
选项：
A:对
B:错
答案: 【错】
2、判断题：
Speakers of English join words together by blending or joining the last sound of a word with the initial sound of the following word. ( )
选项：
A:错
B:对
答案: 【对】
3、多选题：
Which of the following types of words are usually unstressed in a sentence? ( )
选项：
A:Adverbs.
B:Conjunctions.
C:Pronouns.
D:Prepositions.
答案: 【Conjunctions.;
Pronouns.;
Prepositions.】
4、多选题：
Which of the following phrases require linking in pronuncation? ( )
选项：
A:go out
B:Third Avenue
C:primary stress
D:bus stop
答案: 【go out;
Third Avenue;
bus stop】
5、多选题：
Which of the following words require loss of plosion in pronuncation? ( )
选项：
A:island
B:textbook
C:checkboard
D:teabag
答案: 【textbook;
checkboard】
6、单选题：
Listen to the conversation and choose the best answer to the following question.What does the woman imply according to the conversation? ( )
选项：
A:The man could come some time later.
B:The man could buy a shirt of a different color.
C:The size the man wants will arrive soon.
D:The size of the shirt is all right for the man.
答案: 【The man could buy a shirt of a different color.】
7、单选题：
Listen to the conversation and choose the best answer to the following question.Why does the man’s suit seem unusualaccording to the conversation? ( )
选项：
A:Because he got dressed in the office.
B:Because the jacket and pants do not fit together.
C:Because the jacket does not suit him.
D:Because the jacket is too dark.
答案: 【Because the jacket and pants do not fit together.】
8、单选题：
Listen to the short passage and answer Questions 8-10. Which of the following objects is NOT mentioned in the recording? ( )
选项：
A:Watermelon.
B:Frog.
C:Fog.
D:Forest.
答案: 【Fog.】
9、单选题：
The speaker’s uncle is good at growing plants, so his uncle has ( ).
选项：
A:a green song
B:a green pond
C:a green thumb
D:a green crown
答案: 【a green thumb】
10、单选题：
A green worker is someone who ( ).
选项：
A:always envys others
B:does not have any experience
C:likes everything green
D:likes to dress in green
答案: 【does not have any experience】
11、单选题：
Listen to the long conversation and answer Questions 11-15. What does the woman think of the fashion awards last night? ( )
选项：
A:She thinks some of the clothes look terrible.
B:She is really interested.
C:She hopes the fashion awards will be held in the second half of the year.
D:She wants to learn a lot from the fashion awards.
答案: 【She thinks some of the clothes look terrible.】
12、单选题：
According to the man, what are the fashion awards showing to the audience? ( )
选项：
A:The most interesting clothes.
B:The most expensive clothes.
C:The most fashionable clothes.
D:The most beautiful clothes.
答案: 【The most fashionable clothes.】
13、单选题：
What does ‘Flares’ mean? ( )
选项：
A:A tpye of shirt.
B:A type of trousers.
C:A type of shoes.
D:A type of hat.
答案: 【A type of trousers.】
14、单选题：
What does the woman decide to do in the end? ( )
选项：
A:She decides to wear ordinary clothes.
B:She decides to sell some of her clothes.
C:She decides to stick something on her clothes.
D:She decides to abandon her plain clothes.
答案: 【She decides to wear ordinary clothes.】
15、单选题：
Does the man like the woman’s decision? ( )
选项：
A:He neither likes nor dislikes her decision.
B:No.
C:Not mentioned.
D:Yes.
答案: 【No.】
第三章 单元测试
1、判断题：
Numbers might take on different forms, such as cardinals, ordinals, decimals, and soon.( )
选项：
A:错
B:对
答案: 【】
2、判断题：
Numbers of more than four digits are separated by commas into groups of four digits each.（ ）
选项：
A:错
B:对
答案: 【】
3、多选题：
9:15 can read（ ）.
选项：
A:a quarter past nine
B:fifteen minutes past nine
C:nine fifteen
D:a quarter to nine
答案: 【】
4、单选题：
Adverbials of time and place in English are often expressed ( ).
选项：
A:in the same way as in Chinese
B:in the same order as in Chinese
C:from small units to big ones
D:from big units to small ones
答案: 【】
5、判断题：
12.05 could only read “twelve point zero five”.（ ）
选项：
A:错
B:对
答案: 【】
6、单选题：
Listen to the news and answer the following Questions 6-8.What is the significance of American Labor Day?（ ）.
选项：
A:To show the strength of labor organizations.
B:To show respect for low–paid factory workers.
C:To show people’s hopes of a better life.
D:To celebrate the effort and love for work.
答案: 【】
7、单选题：
When was International Labor Day born?（ ）
选项：
A:On May 1, 1889.
B:On May 1, 1882.
C:On September 5, 1889.
D:On September 5, 1882.
答案: 【】
8、单选题：
When is American Labor Day?（ ）
选项：
A:The first Monday in September.
B:September 5.
C:May 1.
D:September 7.
答案: 【
9、单选题：
Listen to the conversation and answer the Questions 9-12.When does Mary want to take a year off?（ ）
选项：
A:Before finishing school.
B:After finishing university.
C:Between high school and university.
D:During her university course.
答案: 【】
10、单选题：
Why can’t Mary travel when taking long leave?（ ）.
选项：
A:Because she will get a new job.
B:Because she is ill.
C:Because she has no money.
D:Because she will go to university.
答案: 【】
11、单选题：
What projects does Peterson International carry out?（ ）
选项：
A:International children’s projects.
B:Projects involving sports and languages.
C:Projects for people with no money.
D:Social and environmental projects.
答案: 【】
12、单选题：
Where do the people in Peterson International teams come from?（ ）
选项：
A:Mainly from England.
B:From charity organizations.
C:Mainly from London.
D:From different countries.
答案: 【】
13、单选题：
Listen to the passage and answerQuestions 13-15.Why do visitors to Britain not really know English food?（ ）
选项：
A:English food can’t be found in large towns.
B:Restaurants in Britain serve foreign food only.
C:They get few chances to eat English food.
D:They don’t like English food.
答案: 【】
14、单选题：
What is the British’s attitude towards living and eating?（ ）
选项：
A:They think that people eat to live, but not live to eat.
B:They think that people eat to live and live to eat.
C:They think that people live to eat, but not eat to live.
D:They think that people should eat the best food when living.
答案: 【】
15、单选题：
What does the speaker think of visitors’ complaints about English food?（ ）
选项：
A:Ridiculous.
B:Unfair.
C:Objective.
D:Reasonable.
答案: 【
第四章 单元测试
1、判断题：
In listening comprehension, the more you can predict, the easier it becomes to understand. ( )
选项：
A:错
B:对
答案: 【】
2、多选题：
There are many things which can help you to predict while you are listening,for example: ( )
选项：
A:intonation
B:semantic markers
C:how much you know about: the topic, the situation, the country in which the language is spoken
D:vocabulary
答案: 【】
3、判断题：
Prediction is also a kind of mental process, in communication, mental anticipation plays an important function. ( )
选项：
A:对
B:错
答案: 【】
4、判断题：
When people speak, they normally follow two types of logical order: inductive or deductive thinking. ( )
选项：
A:错
B:对
答案: 【】
5、判断题：
Deductive thingking starts with specifics and proceeds to be general. ( )
选项：
A:错
B:对
答案: 【】
6、单选题：
Listen to the conversation and answer Questions 6-10. What’s the matter with Steve? ( )
选项：
A:He has a headache.
B:He has the flu.
C:He has a stomachache.
D:He has a cold.
答案: 【
7、单选题：
How long has Steve been sick? ( )
选项：
A:Since Monday.
B:Since Friday.
C:Since Sunday.
D:Since Saturday.
答案: 【
8、单选题：
How often should Steve take the medicine the doctor prescribes? ( )
选项：
A:Three times a day with meals.
B:Four times a day after meals.
C:Three times a day after meals.
D:Four times a day before meals.
答案: 【】
9、单选题：
What does Carla advise him to do? ( )
选项：
A:Take herbal medicine.
B:Eat chicken soup.
C:Eat beef soup.
D:See another doctor.
答案:】
10、单选题：
What does Steve decide to do? ( )
选项：
A:See another doctor.
B:See the same doctor again.
C:Talk to another friend.
D:Follow Carla’s advice.
答案: 【
11、单选题：
Listen to the following sentences and pay special attention to the articles and the forms of nouns and verbs. CompleteStatements 11-15.Then imitate and dictate the sentences.Some people ____ house party, others attend street parties. ( )
选项：
A:hold a
B:holds a
C:held a
D:holding a
答案:
12、单选题：
Advertising has already become a very specialized activity in modern times.He sometimes ________ to distribute the samples of his products. ( )
选项：
A:employed sales girls
B:employs sales girls
C:employing sales girls
D:employ sales girls
答案: 【
13、单选题：
We ____ particular product because we think it’s the best. ( )
选项：
A:buying a
B:buy
C:bought a
D:buy a
答案: 【
14、单选题：
Imagine a book that never ________. ( )
选项：
A:ending
B:ended
C:ends
D:end
答案: 【
15、单选题：
It is generally believed that wrist watches are ____exception. ( )
选项：
A:a
B:the
C:/
D:an
答案: 【】
第五章 单元测试
1、单选题：
（ ）determines the focal points of a message.
选项：
A:The supporting details
B:The topic and the main idea
C:The topic
D:The main idea
答案: 【
2、单选题：
A paragraph starting with a topic sentence can be represented by a/an（ ）.
选项：
A:regular triangle
B:diamond
C:rectangle
D:upside-down triangle
答案: 【
3、多选题：
What are the two-step process to find the main idea?（ ）
选项：
A:Find the key words.
B:Identify the topic.
C:Find the main point about the topic.
D:Find the supporting details.
答案: 【】
4、多选题：
（ ）are the possible locations of the main idea in a paragraph.
选项：
A:In the middle of a paragraph
B:At the end of a paragraph
C:At the beginning of a paragraph
D:In more than one sentence
答案: 【】
5、判断题：
A topic is the broad or general subject of an intended message.
选项：
A:对
B:错
答案: 【】
6、单选题：
Listen to the conversation and choose the best answer to the following question.What is the man planning to do according to the conversation?
选项：
A:Enter the stock market instead of investing in clothing.
B:Transfer his investment to the Chinese stock market.
C:Share his money-making experience with other marketers.
D:Move to another residence from Wall Street.
答案: 【】
7、单选题：
Listen to the conversation and choose the best answer to the following question.What does the man mean to do according to the conversation?
选项：
A:Exchange gifts with his friends.
B:Get a purchase refunded.
C:Fill in an application form.
D:Sign his name for the fan.
答案: 【】
8、单选题：
Listen to the conversation and choose the best answer to the following question.What might the two speakers do according to the conversation?
选项：
A:Quit their jobs at the same tme.
B:Enrich their poor knowledge in business.
C:Take an adventurous trip with their savings.
D:Establish a firm in collaboration.
答案: 【
9、单选题：
Listen to the conversation and answer Questions 9-11.At the beginning of the conversation, the woman thinks she keeps running out of money because ( ).
选项：
A:she doesn’t know the reason
B:she spends too much.
C:she does not make a good plan
D:she earns too little
答案: 【
10、单选题：
The man manages his money by the following means EXCEPT ( ).
选项：
A:putting money away
B:controlling the spending
C:sticking to his budget
D:buying insurances
答案: 【
11、单选题：
What does the man suggest the woman to do in the end of the conversation?
选项：
A:To make a good plan.
B:To invest her money.
C:To work in a foreign company.
D:To change the way she spends money.
答案: 【
12、单选题：
Listen to the passage ‘How Pensions Work in the United States’ and answer Questions 12-15.A pension is an income payable after a worker ( ).
选项：
A:retired
B:is tired
C:is hired
D:is fired
答案: 【】
13、单选题：
Pensions can also be paid out earlier if ( ).
选项：
A:a worker becomes ill
B:a worker has an accident
C:a worker becomes disabled
D:a worker gets fired
答案: 【
14、单选题：
About 90 percent of all U.S. workers are covered for retirement and disability under ( ).
选项：
A:social aid
B:social security
C:life insurance
D:pension plans
答案: 【
15、单选题：
Modern retirement plans come in two general forms:a ( ) plan and a ( ) plan.
选项：
A:defined-insurance,defined-payment,
B:defined-benefit,defined-deficit
C:defined-benefit， defined-contribution
D:defined-payment,defined-benefit,
答案: 【
第六章 单元测试
1、判断题：
The Roman system of topic outline generally use a system of Roman numerals, Arabic numbers, and letters to show relationships.（ ）
选项：
A:对
B:错
答案: 【】
2、判断题：
The decimal system of outline form shows the relationship between ideas by means of a decimal rank to each idea. （ ）
选项：
A:错
B:对
答案: 【】
3、多选题：
The two types of topic outline form are（ ）.
选项：
A:The Greek system.
B:The Roman system.
C:The decimal system.
D:The Arabic system.
答案: 【】
4、多选题：
Which of the following statementsare are true about outlining? ( )
选项：
A:It shows the relationship between the main idea and the supporting details.
B:Simplified forms of outlining should not be used in our listening practice.
C:It is also a skill that will help you summarize the main idea.
D:Outlining is a method of classifying and organizing a list of key points.
答案: 【】
5、判断题：
Outlining aims at identifying the relationship between the supporting details.（ ）
选项：
A:对
B:错
答案: 【】
6、单选题：
Listen to the conversation and answer Questions 6-10.Where are theyplanning to go in the morning?（ ）
选项：
A:To an art museum.
B:To a shopping center.
C:To a cinema.
D:To a park.
答案: 【
7、单选题：
What kind of restaurant do they want to visit for lunch?（ ）
选项：
A:Indian.
B:American.
C:Italian.
D:Indonesian.
答案: 【
8、单选题：
Why does the man want to visit the zoo in the afternoon?（ ）
选项：
A:The zoo is free to visitors that day only.
B:There are unusual animals on display.
C:He likes animals best.
D:The zoo will be closed the rest of the week.
答案: 【
9、单选题：
Why does the woman want to go shopping instead?（ ）
选项：
A:She saw some great sales at a shopping center.
B:She wants to buy souvenirs for their visit.
C:She wants to buy a gift for her friend.
D:She wants to buy some new clothes for herself.
答案: 【
10、单选题：
How do they plan to get to the seashore at the end of the conversation?（ ）
选项：
A:By plane.
B:By subway.
C:By bus.
D:By taxi.
答案: 【
11、单选题：
Listen to the conversation and answer Questions 11-15.What is the conversation about？And what is the man’s destination?（ ）
选项：
A:Booking a flight; Helsinki, Finland.
B:Reserving a restaurant; New York City, USA.
C:Reserving a hotel; Salt Lake City, USA.
D:Reserving a meal; Stockholm, Sweden.
答案: 【
12、单选题：
When is the man’s departure date?（ ）
选项：
A:21st.
B:22nd.
C:24th.
D:23rd.
答案: 【
13、单选题：
What is the flight number for the second half of his journey?（ ）
选项：
A:90.
B:830.
C:1070
D:555.
答案: 【
14、单选题：
How long is the man’s layover between flights?（ ）
选项：
A:Less than three hours.
B:Less than an hour.
C:Less than two hours.
D:More than three hours.
答案: 【
15、单选题：
What request did the man make regarding his flight?（ ）
选项：
A:He asked for a specially-prepared dinner.
B:He asked for a seat near the front of the plane.
C:He requested a bassinet for his baby.
D:He wanted an aisle seat.
答案: 【
第七章 单元测试
1、判断题：
Five W’s and one H are the most essential components of the lead in a complete report.（ ）
选项：
A:对
B:错
答案: 【】
2、判断题：
Title condenses and summarizes the central essence of the paper.（ ）
选项：
A:对
B:错
答案: 【】
3、多选题：
Generally speaking, the main structure of hard news consists of（ ）.
选项：
A:headline
B:W’s and H
C:text
D:introduction
答案: 【
4、单选题：
The climax and conclusion are put at the top of the introduction, and then less important material is arranged in ( ) order.
选项：
A:vertical
B:horizontal
C:irregular
D:descengding
答案:
5、判断题：
Because each part of the news is relatively independent, no matter which part is missed while listening, the rest part of the news can keep its integrity.（ ）
选项：
A:错
B:对
答案: 【】
6、单选题：
Listen to the news and answer Questions 6-7. The most ( ) nations blame the rich for the problem, but also fear the rise in pollution from emerging nations.
选项：
A:vulnerable
B:rich
C:Not mentioned.
D:developing
答案: 【
7、单选题：
Who does America say should work harder to solver the world’s problem? （ ）
选项：
A:America.
B:Emerging economies.
C:Developing countries.
D:Developed countries.
答案: 【
8、单选题：
Listen to the news and answer Questions 8-11. Where were injured or dead bats found?（ ）
选项：
A:Near broken glasses.
B:Near mirrors.
C:Near buildings.
D:On sport grounds.
答案: 【
9、单选题：
What might be the cause of the bats’ collisions?（ ）
选项：
A:Toxic suroundings.
B:Reflected light.
C:Reflected sound.
D:Not mentioned.
答案:
10、单选题：
Bats can build an infrared ( ) to help them navigate.
选项：
A:sound
B:map
C:branch
D:reflection
答案:
11、单选题：
Which word in the text means ‘the study of birds, a branch of zoology’?（ ）
选项：
A:Ornithology.
B:Collision.
C:Reflection.
D:Habitats.
答案: 【
12、单选题：
Listen to the news and answer Questions 12-15. ( ) of the commonly used plastics is biodegradable.
选项：
A:All
B:None
C:Some
D:Most
答案: 【】
13、单选题：
Which word in the text means ‘the extent or level of severity to a problem’?（ ）
选项：
A:Degree.
B:Scale.
C:Level.
D:Percent.
答案: 【
14、单选题：
In what products is plastic used, according to the text?（ ）
选项：
A:Food packaging.
B:Food packaging, clothing, aeroplane parts and flame retardants.
C:Clothing
D:Aeroplane parts and flame retardants.
答案: 【
15、单选题：
Of the total amount of plastic ever made, how much has been recycled?（ ）
选项：
A:9%.
B:90%.
C:1.9%.
D:19%.
答案: 【
第八章 单元测试
1、判断题：
Paraphrasing is a process of rewriting the original sentences in your own words. It is simply a process of copying the originals.（ ）
选项：
A:错
B:对
答案: 【】
2、判断题：
In our note-taking, □ can stand for “country”.（ ）
选项：
A:对
B:错
答案: 【】
3、多选题：
（ ）are effective note-taking skills.
选项：
A:Using symbols.
B:Writing every word we hear.
C:Using Abbreviations.
D:Paraphrasing.
答案: 【】
4、多选题：
What kind of symbols can be used in our note-taking? ( )
选项：
A:Punctuation marks.
B:Arrows symbols and line symbols.
C:Mathematical symbols.
D:Chemical symbols.
答案: 【】
5、判断题：
In our note-taking, “yr” stands for “year”. Here abbreviations are used in note-taking.（ ）
选项：
A:对
B:错
答案: 【】
6、单选题：
Listen to the following passage and answer Questions 6-10. When is Apple aiming to debut an electric car? ( )
选项：
A:In 2022.
B:In 2019.
C:In 2020.
D:In 2021.
答案: 【
7、单选题：
How long is the replacement cycle for an iPhone? ( )
选项：
A:2 years.
B:3 years.
C:4 years.
D:1 year.
答案: 【
8、单选题：
How much money has Apple stored up for the auto project? ( )
选项：
A:$300 billion.
B:$100 billion.
C:$400 billion.
D:$200 billion.
答案: 【
9、单选题：
Which statement is NOT true according to the passage? ( )
选项：
A:The replacement cycle for a car is longer than mobile phones.
B:Cars are more heavily regulated than mobile phones.
C:The profit margin of car business is higher than mobile phones.
D:The risks associated with connected cars are more serious than those with mobile phones.
答案: 【
10、单选题：
Does the competition with Google partly drive Apple to enter the auto industry? ( )
选项：
A:No.
B:Yes.
C:Not given
D:Not clear.
答案: 【
11、单选题：
Listen to the following passage and answer Questions 11-12. Which statement is NOT true according to the passage? ( )
选项：
A:Research on sample of adolescents found that there is small and negative association between technology use and well being.
B:We can research our brain with the help of technology.
C:Everything we run into has an impact on our brain.
D:Nowadays we’re very clear how technology influences our brain.
答案:
12、单选题：
According to the passage, is longitudinal study of great importance to the study on our brain and technology use? ( )
选项：
A:D. Not clear.
B:B. No.
C:C. Not given
D:A. Yes.
答案:
13、单选题：
Listen to the following passage and answer Questions 13-15. Which statement is NOT true according to the passage? ( )
选项：
A:Artificial intelligence is used to help with the noise problem in New York city.
B:Only professionals can participate in the “SONYC” project.
C:The information of sound could inform city agencies where they should cut the noise most.
D:Noise is one of the biggest civic complaints of the residents of New York city.
答案: 【
14、单选题：
Which of the following statement is NOT one of the goals of “Sounds of New York City” (or “SONYC”)? ( )
选项：
A:It is proposed to develop the science of machine listening.
B:It is proposed to monitor the noise pollution in urban areas.
C:It is proposed to relieve the noise pollution in urban areas.
D:It is proposed to develop citizen science.
答案: 【
15、单选题：
Which one is NOT involved in SONYC project? ( )
选项：
A:Machine learning.
B:Ubiquitous learning.
C:A network of sensors.
D:Human volunteers.
答案: 【
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