Question 3
(a)Air tickets usually fall into three classes: top class, business class, and economy class. What is the economic rationale for this phenomenon?
(b)What is price discrimination? Are there any necessary requirements for successful price discrimination? Please give two more examples to explain your answer.
第1题
Which commercial usage of the Internet does the author NOT refer to?
A.Buying airline tickets.
B.Trading stocks.
C.Applying for a credit card.
D.Opening a bank account.
第2题
Which commercial usage of the Internet does the author NOT refer to?
A.Buying airline tickets.
B.Trading stocks.
C.Paying bills.
D.Opening a bank account.
第3题
6We ____________(想当然地认为)that you would want to see the play, so I bought you a ticket.
第4题
听力mp3:
请根据听到的内容回答下列各题
SectionA
A. Doctor and patient.
B. Passenger and ticket collector.
C. Shop assistant and customer.
D. Boss and clerk.
第5题
Which of the following can be inferred from the talk?
A.Mr. Cotton should come to the ticket office as soon as possible.
B.Mr. Cotton gets the ticket at once.
C.Mr. Cotton will get the ticket in the local post office.
D.Mr. Cotton needs to go to the ticket office to get the ticket.
第6题
Which commercial usage of the Internet does the author NOT refer to?
A.Buying airline tickets.
B.Trading stocks.
C.Paying bills.
D.Opening a bank account.
第7题
What gift will the woman probably get for Mary?
A.A school bag.
B.A record.
C.A theater ticket.
第8题
What will Ms. Bush probably buy?
A.An excursion fare.
B.A full return ticket
C.A single ticket.
D.Two tickets.
第9题
A.预连接成功之后
B.t c 侧发起连接请求之后
C.HDC 返回 login ticke t 之后
D.db 返回虚拟机ip.状态等信息后
第11题
A、beyond question
B、out of the question
C、without question
D、in question
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