给我回答几道英语阅读题的题目,急用!3Public relations are big businesses.All over the world there are large companies which specialize in public relations.They are called public relations firm.The public relations firms are hired by other companies to represent them to the public.In a way,they are like advertising firms because they advise companies on what they should do to improve their images.Some public relations firms are also advertising firms,mainly because adve

给我回答几道英语阅读题的题目,急用!3
Public relations are big businesses.All over the world there are large companies which specialize in public relations.They are called public relations firm.
The public relations firms are hired by other companies to represent them to the public.In a way,they are like advertising firms because they advise companies on what they should do to improve their images.
Some public relations firms are also advertising firms,mainly because advertising and public relations are very closely related.Both kinds of companies specialize in making other companies look good.
A public relations firm charges very high prices because the work they do has to do with psychology,the psychology of business and people who buy products.
Generally speaking,public relations means “dealing with the public”,and the public is everyone.So when a public relations firm is hired to improve a company's image,its job is to make the company look good to everyone,not just a small group.
What is the topic of this passage?
A．Advertising
B．Public relations.
C．Advertising public relations.
D．The public relations firms
What kind of prices do public relations firms charge?
A．Low prices.
B．Medium prices.
C．High prices.
D．A received prices.
What do public relations firms do?
A．They deal with the public.
B．They help other companies improve their public image.
C．They are actually advertising companies.
D．They do every business about the advertisement.
Why does a public relations firm charge highly?
A．Because of its high cost.
B．Because of its big payroll.
C．Because of its expensive products.
D．Because of its tough work.
Generally speaking,what does "public relations" mean?
A．It means relating public affairs.
B．It means dealing with the public.
C．It means advertising.
D．It means doing business with the public.
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