2021知到答案 商务英语 最新智慧树满分章节测试答案

第三章 单元测试

1、多选题：
When we date back to the the origin of brands, which of the following can be? ( )
选项：
A:Product service

B:A hat

C:The shield in a knight’s hand

D:Burning livestock as a mark

答案: 【The shield in a knight’s hand
;Burning livestock as a mark
】

2、单选题：
_________ is not a junior equity of a brand. ( )
选项：
A:Brand reputation

B:Brand recognition

C:Brand awareness

D:Brand loyalty

答案: 【Brand loyalty
】

3、单选题：
Wealthy wives who always buy Chanel when they need a new bag are showing brand___________. ( )
选项：
A:Name

B:Loyalty

C:Awareness

D:Image

答案: 【Loyalty
】

4、多选题：
A product lifecycle consists of ____________. ( )
选项：
A:Maturity

B:Introduction

C:Decline.

D:Growth

答案: 【Maturity
;Introduction
;Decline.
;Growth
】

5、单选题：
Angelababy was invited by the brand company to advertise a new lipstick. This phenomenon is called___________( )
选项：
A:Brand awareness

B:product endorsement

C:Product placement

D:Brand image

答案: 【product endorsement
】

6、单选题：
The application of an existing brand name beyond its initial range of products, or outside of its category is called______________. ( )
选项：
A:Brand rejuvenation

B:Brand portfolio

C:Brand stretching/extension

D:Brand proliferation

答案: 【Brand stretching/extension
】

7、多选题：
Brand rejuvenation, is a process of revitalizing an ailing brand composed by three steps. Which are they? ( )
选项：
A:Restoration

B:Discovery

C:Expression

D:Innovation

答案: 【Discovery
;Expression
;Innovation
】

8、单选题：
Brand portfolio refers to that firms adopt ___________to capture a greater market share by filling the gaps in the market and catering different buying pattern of the customers. ( )
选项：
A:One brand

B:Two brands

C:Three brands

D:Multiple brands

答案: 【Multiple brands
】

9、多选题：
In SWOT, opportunities and threats are external factors. For example: An opportunity could be: __________. ( )
选项：
A:A developing market

B:Mergers, joint ventures or strategic alliances

C:A new international market

D:A new competitor in your home market

答案: 【A developing market
;Mergers, joint ventures or strategic alliances
;A new international market
】

10、单选题：
The 4Ps Marketing Mix, is generally divided into four categories. Which one is not included in 4P? ( )
选项：
A:Position

B:Place

C:Product

D:Price

答案: 【Position
】

11、多选题：
A product lifecycle consists of ____________. ( )
选项：
A:Maturity

B:Growth

C:Introduction

D:Decline.

答案: 【Maturity
;Growth
;Introduction
;Decline.
】

12、多选题：
Brand rejuvenation, is a process of revitalizing an ailing brand composed by three steps. Which are they? ( )
选项：
A:Expression

B:Restoration

C:Discovery

D:Innovation

答案: 【Expression
;Discovery
;Innovation
】

13、多选题：
In SWOT, opportunities and threats are external factors. For example: An opportunity could be: __________. ( )
选项：
A:Mergers, joint ventures or strategic alliances

B:A developing market

C:A new international market

D:A new competitor in your home market

答案: 【Mergers, joint ventures or strategic alliances
;A developing market
;A new international market
】

14、多选题：
When we date back to the the origin of brands, which of the following can be? ( )
选项：
A:Burning livestock as a mark

B:Product service

C:The shield in a knight’s hand

D:A hat

答案: 【Burning livestock as a mark
;The shield in a knight’s hand
】

15、多选题：
A product lifecycle consists of ____________. ( )
选项：
A:Introduction

B:Decline.

C:Growth

D:Maturity

答案: 【Introduction
;Decline.
;Growth
;Maturity
】

16、多选题：
Brand rejuvenation, is a process of revitalizing an ailing brand composed by three steps. Which are they? ( )
选项：
A:Expression

B:Restoration

C:Innovation

D:Discovery

答案: 【Expression
;Innovation
;Discovery
】

17、多选题：
A product lifecycle consists of ____________. ( )
选项：
A:Decline.

B:Introduction

C:Growth

D:Maturity

答案: 【Decline.
;Introduction
;Growth
;Maturity
】

18、多选题：
In SWOT, opportunities and threats are external factors. For example: An opportunity could be: __________. ( )
选项：
A:A new international market

B:Mergers, joint ventures or strategic alliances

C:A new competitor in your home market

D:A developing market

答案: 【A new international market
;Mergers, joint ventures or strategic alliances
;A developing market
】

第四章 单元测试

1、单选题：
Some perfume companies provide _______________ so that customers can try the perfume on their skin before they buy. ( )
选项：
A:commercials

B:leaflets

C:brochure

D:free samples

答案: 【free samples
】

2、单选题：
Viacom Outdoor is an advertising company that specialises in placing adverts on _______________ such as buses. ( )
选项：
A:billboards

B:public transport

C:television

D:Internet

答案: 【public transport
】

3、单选题：
Advertising companies spend a lot of money on creating clever_______________ that are short and memorable such as the message for the credit card, Access: ‘Your flexible friend’. ( )
选项：
A:newsletters

B:directories

C:slogans

D:mailshots

答案: 【slogans
】

4、单选题：
Celebrity _______________ is a technique that is very popular in advertising at the moment. ( )
选项：
A:research

B:appearance

C:endorsement

D:exhibition

答案: 【endorsement
】

5、单选题：
If news about a product comes to you by _______________, someone tells you about it rather than you seeing an advert. ( )
选项：
A:word of mouth

B:press

C:Internet

D:junk mail

答案: 【word of mouth
】

6、单选题：
If you have something to sell, you can _______________ an advert on the Taobao.com. ( )
选项：
A:place

B:make

C:target

D:launch

答案: 【place
】

7、单选题：
Advertising is a form of _______________ communication used to promote or sell something, usually a business’s product or service. ( )
选项：
A:marketing

B:personal

C:social

D:private

答案: 【marketing
】

8、单选题：
Which type of advertising media have higher cost? ( )
选项：
A:TV

B:newspaper

C:radio

D:Internet

答案: 【TV
】

9、多选题：
Which of the following contents belong to the elements of Marketing Mix? ( )
选项：
A:Price

B:Product

C:Promotion

D:Place

答案: 【Price
;Product
;Promotion
;Place
】

10、单选题：
_________ means making a product known, and stimulating consumers’ demand for it.( )
选项：
A:Price

B:Product

C:Place

D:Promotion

答案: 【Promotion
】

11、多选题：
Which of the following contents belong to the elements of Marketing Mix? ( )
选项：
A:Product

B:Price

C:Place

D:Promotion

答案: 【Product
;Price
;Place
;Promotion
】

12、多选题：
Which of the following contents belong to the elements of Marketing Mix? ( )
选项：
A:Place

B:Product

C:Price

D:Promotion

答案: 【Place
;Product
;Price
;Promotion
】

13、多选题：
Which of the following contents belong to the elements of Marketing Mix? ( )
选项：
A:Promotion

B:Product

C:Place

D:Price

答案: 【Promotion
;Product
;Place
;Price
】

第五章 单元测试

1、单选题：
Today, marketing must be understood in terms of not just making a sale but also _____.（ ）
选项：
A:brilliant advertising

B:understanding customers’ self-images

C:satisfying customers’ needs

D:understanding customers’ value

答案: 【satisfying customers’ needs
】

2、单选题：
We can safely say that when a customer’s purchase lives up to his or her expectations, the customer is experiencing this state of being_____. （ ）
选项：
A:self-esteem

B:customer satisfaction

C:customer value

D:self-actualization

答案: 【customer satisfaction
】

3、单选题：
Marketing consists of actions taken to build and maintain desirable _____ with target audiences involving a product, service, idea, or other object. （ ）
选项：
A:exchange relationships

B:exchange processes

C:exchange transactions

D:exchange communication

答案: 【exchange relationships
】

4、单选题：
The five alternative concepts under which organizations conduct their marketing activities include the production, _____, selling, marketing, and societal marketing concepts. （ ）
选项：
A:promotion

B:distribution

C:Product

D:pricing

答案: 【Product
】

5、单选题：
_____ involves evaluating different customer groups for their market attractiveness, and selecting one or more of these groups to pursue. （ ）
选项：
A:Market targeting

B:The marketing process

C:Market positioning

D:Market segmentation

答案: 【Market targeting
】

6、单选题：
A strategy of _____ relies on selling existing products to new customers. （ ）
选项：
A:market penetration

B:market development

C:diversification

D:product development

答案: 【diversification
】

7、单选题：
_____ markets buy goods and services either for resale or for further processing. （ ）
选项：
A:Institutional

B:Government

C:Business

D:Consumer

答案: 【Business
】

8、单选题：
_____ is/are one of the best methods for gathering information quickly, and provides a great deal of flexibility. （ ）
选项：
A:Observation

B:Mail questionnaires

C:Personal interviewing

D:Telephone interviewing

答案: 【Personal interviewing
】

9、单选题：
The most basic cause of a person’s wants and behavior is _____. （ ）
选项：
A:economic well-being

B:ethnic background

C:culture

D:social status

答案: 【culture
】

10、单选题：
The most extreme form of micromarketing is _____ . ( )
选项：
A:local marketing

B:niche marketing

C:individual marketing

D:none of the above

答案: 【individual marketing
】

第六章 单元测试

1、单选题：
Human communication is as old as mankind. People started to use language to communicate about ________. ( )
选项：
A:20, 000 years ago

B:5, 000 years ago

C:30, 000 years ago

D:100, 000 years ago

答案: 【20, 000 years ago
】

2、单选题：
Dance and Larson probed into the literature on communication and found ________ definitions of communication. ( )
选项：
A:200

B:500

C:400

D:126

答案: 【126
】

3、单选题：
Some scholars even say that _________ of the information is actually transmitted through nonverbal means. ( )
选项：
A:50%

B:80%

C:90%

D:70%

答案: 【90%
】

4、单选题：
The book, _________, is supposed to be the first book on nonverbal communication. ( )
选项：
A:Physics and Character

B:An Introduction to Kinesics

C:How to Do Things Words

D:Silent Language

答案: 【Physics and Character
】

5、多选题：
Which of the following are the key elements that compose corporate culture? ( )
选项：
A:System of rewards

B:Physical setting

C:Hiring decisions

D:Management structure

答案: 【System of rewards
;Physical setting
;Hiring decisions
;Management structure
】

6、判断题：
Human communication is as old as mankind.20, 000 years ago, people started to use script to communicate. （ ）
选项：
A:错
B:对
答案: 【错】

7、判断题：
The hand gesture of thumb-down sign shows disapproval in the United sates , Canada and Greece. （ ）
选项：
A:对
B:错
答案: 【错】

8、判断题：
A long and exhausting dinner sometimes is unavoidable, so you can rest your elbow on the table for a rest. ( )
选项：
A:对
B:错
答案: 【错】

9、判断题：
Each company has its own values, history, customs, attitudes, relationship patterns, and preferred ways of working. ( )
选项：
A:错
B:对
答案: 【对】

10、判断题：
A healthy corporate culture empower employees to view themselves as part of a team and their works as integral to their team’s success. ( )
选项：
A:错
B:对
答案: 【对】

11、多选题：
Which of the following are the key elements that compose corporate culture? ( )
选项：
A:Physical setting

B:Management structure

C:System of rewards

D:Hiring decisions

答案: 【Physical setting
;Management structure
;System of rewards
;Hiring decisions
】

12、多选题：
Which of the following are the key elements that compose corporate culture? ( )
选项：
A:Management structure

B:Hiring decisions

C:Physical setting

D:System of rewards

答案: 【Management structure
;Hiring decisions
;Physical setting
;System of rewards
】

13、多选题：
Which of the following are the key elements that compose corporate culture? ( )
选项：
A:System of rewards

B:Hiring decisions

C:Management structure

D:Physical setting

答案: 【System of rewards
;Hiring decisions
;Management structure
;Physical setting
】

第七章 单元测试

1、单选题：
_______ is made when a seller promises to sell goods at a stated price within a stated period of time. ( )
选项：
A:A firm offer

B:A non-firm offer

C:An acceptance

D:An enquiry

答案: 【A firm offer
】

2、多选题：
_______are the commonly used international business negotiation principles. ( )
选项：
A:Mutual trust principle

B:Equality principle

C:Flexibility principle

D:Win-win principle

答案: 【Mutual trust principle
;Equality principle
;Flexibility principle
;Win-win principle
】

3、单选题：
_________ may be in the form of licensing, contract manufacturing, assembly, etc. ( )
选项：
A:Ownership strategy.

B:Foreign production strategy

C:Exporting strategy

D:Virtual market entry strategy.

答案: 【Foreign production strategy
】

4、单选题：
________ is to use electronic means, primarily web pages, emails, and related platforms and tools, to enter international market. （ )
选项：
A:Foreign production strategy

B:Ownership strategy.

C:Virtual market entry strategy.

D:Exporting strategy

答案: 【Virtual market entry strategy.
】

5、单选题：
Under________, one company assigns rights to a patent or trademark to another company for fee or royalty. ( )
选项：
A:Full-scale production

B:Licensing

C:Contract manufacturing

D:Assembly operation

答案: 【Licensing
】

6、多选题：
Multinationals may lead to complications and negative impacts, like ______. ( )
选项：
A:Economic vulnerability,

B:Consolidation of wealth

C:Environmental damage

D:Cultural homogenization

答案: 【Economic vulnerability,
;Consolidation of wealth
;Environmental damage
;Cultural homogenization
】

7、多选题：
Multinationals can bring along a lot of benefits, including_______.（ ）
选项：
A:Increasing tax revenues

B:Spurring job growth

C:More choice of goods

D:Stimulating economic development

答案: 【Increasing tax revenues
;Spurring job growth
;More choice of goods
;Stimulating economic development
】

8、单选题：
_______is a situation where a country spends more on imports from abroad than it makes from its exports. ( )
选项：
A:Trade surplus

B:Trade dispute

C:Trade balance

D:Trade deficit

答案: 【Trade deficit
】

9、单选题：
_______maintains supply and demand factors operating on a global scale, will ensure production happens in an efficient way. ( )
选项：
A:International trade
Globalization

B:Protectionism

C:Free Trade

答案: 【Free Trade
】

10、单选题：
_______ is a policy which protects domestic industries from competition from foreign ones, and its primary tools include tariffs, subsidies, quotas, etc. ( )
选项：
A:Trade embargo

B:Globalization

C:Trade protectionism

D:Free trade

答案: 【Trade protectionism
】

11、多选题：
_______are the commonly used international business negotiation principles. ( )
选项：
A:Win-win principle

B:Flexibility principle

C:Equality principle

D:Mutual trust principle

答案: 【Win-win principle
;Flexibility principle
;Equality principle
;Mutual trust principle
】

12、多选题：
Multinationals may lead to complications and negative impacts, like ______. ( )
选项：
A:Cultural homogenization

B:Consolidation of wealth

C:Economic vulnerability,

D:Environmental damage

答案: 【Cultural homogenization
;Consolidation of wealth
;Economic vulnerability,
;Environmental damage
】

13、多选题：
Multinationals can bring along a lot of benefits, including_______.（ ）
选项：
A:Increasing tax revenues

B:Stimulating economic development

C:Spurring job growth

D:More choice of goods

答案: 【Increasing tax revenues
;Stimulating economic development
;Spurring job growth
;More choice of goods
】

14、多选题：
_______are the commonly used international business negotiation principles. ( )
选项：
A:Flexibility principle

B:Win-win principle

C:Equality principle

D:Mutual trust principle

答案: 【Flexibility principle
;Win-win principle
;Equality principle
;Mutual trust principle
】

15、多选题：
Multinationals may lead to complications and negative impacts, like ______. ( )
选项：
A:Environmental damage

B:Economic vulnerability,

C:Consolidation of wealth

D:Cultural homogenization

答案: 【Environmental damage
;Economic vulnerability,
;Consolidation of wealth
;Cultural homogenization
】

16、多选题：
Multinationals can bring along a lot of benefits, including_______.（ ）
选项：
A:Increasing tax revenues

B:More choice of goods

C:Stimulating economic development

D:Spurring job growth

答案: 【Increasing tax revenues
;More choice of goods
;Stimulating economic development
;Spurring job growth
】

17、多选题：
_______are the commonly used international business negotiation principles. ( )
选项：
A:Equality principle

B:Win-win principle

C:Mutual trust principle

D:Flexibility principle

答案: 【Equality principle
;Win-win principle
;Mutual trust principle
;Flexibility principle
】

18、多选题：
Multinationals may lead to complications and negative impacts, like ______. ( )
选项：
A:Economic vulnerability,

B:Environmental damage

C:Cultural homogenization

D:Consolidation of wealth

答案: 【Economic vulnerability,
;Environmental damage
;Cultural homogenization
;Consolidation of wealth
】

19、多选题：
Multinationals can bring along a lot of benefits, including_______.（ ）
选项：
A:Stimulating economic development

B:More choice of goods

C:Increasing tax revenues

D:Spurring job growth

答案: 【Stimulating economic development
;More choice of goods
;Increasing tax revenues
;Spurring job growth
】

第八章 单元测试

1、单选题：
To express gratitude: 。（ ）
选项：
A:This letter aims to provide the basic information about the proposed interview.

B:It is a pity to miss such a well-prepared program and we wish you a successful conference.

C:I have appreciated the opportunities and experiences that have been provided to me during my 2 years of service.

答案: 【I have appreciated the opportunities and experiences that have been provided to me during my 2 years of service.
】

2、单选题：
To apologize: 。（ ）
选项：
A:I am very sorry about forgetting about our lunch date.

B:Please allow me to take the liberty of introducing myself.

C:I wish I could attend, but unfortunately, I will be out of the office on a business trip for several weeks and won’t be back until November 7.

答案: 【I am very sorry about forgetting about our lunch date.
】

3、单选题：
To make a recommendation: 。（ ）
选项：
A:It is more important than ever to understand the purchase and decision process as well as the channels to market.

B:I am very pleased to recommend Ms. Li to your university program.

C:Topic for discussion, case studies, speaker profiles and the timing, in detail, will be put together as an appendix.

答案: 【I am very pleased to recommend Ms. Li to your university program.
】

4、单选题：
To send invitations: 。（ ）
选项：
A:I would be very pleased to invite you to attend the forthcoming 2014 International Conference on Human Rights to be held in Beijing.

B:We are sending you a detailed schedule of the opening ceremony for your reference

C:We will be contacting your office to arrange a convenient time to conduct the interview should it be approved by your organization.

答案: 【I would be very pleased to invite you to attend the forthcoming 2014 International Conference on Human Rights to be held in Beijing.
】

5、单选题：
To make a reservation:。（ ）
选项：
A:Please reserve a table for three people, and we will arrive at 7:00 p. m. on June 6th.

B:We are confident this visit will demonstrate our strong capability and provide the proof of our reliability as a future partner with your organization.

C:We are very interested in becoming your main component supplier in China.

答案: 【Please reserve a table for three people, and we will arrive at 7:00 p. m. on June 6th.
】

6、单选题：
The report is to be ______ to the Directors as soon as possible.（ ）
选项：
A:prepared
B:promoted
C:presented

答案: 【presented
】

7、单选题：
As soon as we receive the signed form, we will add your name to the list of people ______ snow shoveling.（ ）
选项：
A:requiring
B:requires
C:required

答案: 【requiring】

8、单选题：
I am glad that I feel quite ______ for the position you advertised.（ ）
选项：
A:qualified
B:qualifying
C:qualification

答案: 【qualified】

9、单选题：
I will phone you next week after you ______ a chance to go over the material.（ ）
选项：
A:had had

B:have had
C:had
答案: 【have had】

10、单选题：
After checking the goods against your invoice, we discover a considerable shortage_____ number.（ ）
选项：
A:to
B:as
C:for

答案: 【for
】

第九章 单元测试

1、单选题：
Which sentence is conducted from the you-viewpoint? ( )
选项：
A:We have received your letter of May 16.

B:We will be pleased to deliver your order by May 16.

C:I am pleased to inform you that I can grant your request for payment of travel expenses.

D:Our customers will find the best model car which we have spent 20 years to build.

答案: 【Our customers will find the best model car which we have spent 20 years to build.
】

2、多选题：
What are the popular writing styles for business correspondences today? ( )
选项：
A:Concise

B:Causal

C:Conversational

D:Formal

答案: 【Concise
;Causal
;Conversational
】

3、单选题：
Which sentence is best following the 7 C principles of business correspondences? ( )
选项：
A:Profits last year were $4000 in Las Vegas.

B:She makes good grade.

C:We will deliver the goods in the near future.

D:I hereby acknowledge receipt of your July 7 letter.

答案: 【Profits last year were $4000 in Las Vegas.
】

4、多选题：
_____ are appropriate formats of the date in a formal business letter. ( )
选项：
A:September 13, 2020

B:2020.09.13

C:13/09/2020

D:13 September, 2020

答案: 【September 13, 2020
;13 September, 2020
】

5、多选题：
When you know the receiver’s name in a business letter, which salutation is most appropriate in your writing? ( )
选项：
A:Dear Mr. John Smith,

B:Dear Sir,

C:To whom it may concern,

D:Dear John,

答案: 【Dear Mr. John Smith,
;Dear John,
】

6、多选题：
Which sentences do you think are best expressed in a first inquiry ? ( )
选项：
A:Can you please quota us a catalogue?

B:That would be best if you can send us the relevant catalogues.

C:You will be appreciated for your price list.

D:Please send us relevant price lists.

答案: 【Can you please quota us a catalogue?
;That would be best if you can send us the relevant catalogues.
】

7、多选题：
The modified block style has the same features as the block style except that _____ are placed at the right margin. ( )
选项：
A:the complimentary close

B:the salutation

C:the signature block

D:the date

答案: 【the complimentary close
;the signature block
;the date
】

8、多选题：
What are the features of a non-firm offer? ( )
选项：
A:It is not a promised indication.

B:It always has some reserved conditions such as “subject to our final confirmation”.

C:The seller can’t change the price according to the market fluctuations in a stipulated period with a contract.

D:It is flexible.

答案: 【It is not a promised indication.
;It always has some reserved conditions such as “subject to our final confirmation”.
;It is flexible.
】

9、多选题：
Which styles of business letters are more popular in emails according to this lecture? ( )
选项：
A:Simplified style
Indented style

B:Modified block style

C:Block style

答案: 【Simplified style
Indented style
;Block style
】

10、单选题：
Which one is formal and consistent with most of the salutations in a business letter?( )
选项：
A:Very Truly,

B:Best regards,

C:Yours sincerely,

D:Sincerely,

答案: 【Yours sincerely,
】

11、多选题：
What are the popular writing styles for business correspondences today? ( )
选项：
A:Concise

B:Formal

C:Conversational

D:Causal

答案: 【Concise
;Conversational
;Causal
】

12、多选题：
_____ are appropriate formats of the date in a formal business letter. ( )
选项：
A:13/09/2020

B:2020.09.13

C:13 September, 2020

D:September 13, 2020

答案: 【13 September, 2020
;September 13, 2020
】

13、多选题：
When you know the receiver’s name in a business letter, which salutation is most appropriate in your writing? ( )
选项：
A:Dear John,

B:Dear Mr. John Smith,

C:Dear Sir,

D:To whom it may concern,

答案: 【Dear John,
;Dear Mr. John Smith,
】

14、多选题：
The modified block style has the same features as the block style except that _____ are placed at the right margin. ( )
选项：
A:the salutation

B:the signature block

C:the complimentary close

D:the date

答案: 【the signature block
;the complimentary close
;the date
】

15、多选题：
What are the popular writing styles for business correspondences today? ( )
选项：
A:Formal

B:Conversational

C:Causal

D:Concise

答案: 【Conversational
;Causal
;Concise
】

16、多选题：
The modified block style has the same features as the block style except that _____ are placed at the right margin. ( )
选项：
A:the date

B:the signature block

C:the complimentary close

D:the salutation

答案: 【the date
;the signature block
;the complimentary close
】

17、多选题：
What are the features of a non-firm offer? ( )
选项：
A:The seller can’t change the price according to the market fluctuations in a stipulated period with a contract.

B:It is not a promised indication.

C:It is flexible.

D:It always has some reserved conditions such as “subject to our final confirmation”.

答案: 【It is not a promised indication.
;It is flexible.
;It always has some reserved conditions such as “subject to our final confirmation”.
】

18、多选题：
Which sentences do you think are best expressed in a first inquiry ? ( )
选项：
A:Please send us relevant price lists.

B:That would be best if you can send us the relevant catalogues.

C:You will be appreciated for your price list.

D:Can you please quota us a catalogue?

答案: 【That would be best if you can send us the relevant catalogues.
;Can you please quota us a catalogue?
】

19、多选题：
What are the features of a non-firm offer? ( )
选项：
A:It always has some reserved conditions such as “subject to our final confirmation”.

B:The seller can’t change the price according to the market fluctuations in a stipulated period with a contract.

C:It is flexible.

D:It is not a promised indication.

答案: 【It always has some reserved conditions such as “subject to our final confirmation”.
;It is flexible.
;It is not a promised indication.
】