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[单选题]

--you have a computer room--Yes,we do（）

A.an

B.o

C.Is

答案

B、o

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更多“--you have a computer room--Ye…”相关的问题

第1题

根据内容回答下列各题，The home computer industry has been growing rapidly in the United Sta

tes for the last ten years. Computers used to be large, expensive machines that were very difficult to use. But scientists and technicians have been making them smaller and cheaper while at the same time they have been made easier to use. As a result, their popularity has been increasing as more people have been buying computers for their homes and businesses. Computers have been designed to store information and compute problems that are difficult for human beings to work out. Some have voices that speak with the operators. Stores use computers to keep records of their inventories (库存货物) and to send bills to their customers. Offices use computers to copy letters, record business and keep in touch with other offices. People have been using computers in their homes to keep track of the money they spend. One important new use for computers is for entertainment. Many new games have been designed to be played on the computers. People of all ages have been playing these games. People also have been buying home computers to play computer games, watch movies and listen to concerts at home. They have become very popular indeed. Computers used to _______.

A.work rapidly

B.be large and expensive

C.be easy to use

D.be used for fun

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第2题

你在一个有三个消费者组成的市场上销售产品1和产品2。三个消费者的保留价格如下:各产品的单位

你在一个有三个消费者组成的市场上销售产品1和产品2。三个消费者的保留价格如下:

各产品的单位成本为30美元。

(1)对分开销售两种产品、纯捆绑销售和混合捆绑销售，分别计算价格和利润。

(2)哪种策略是最有利可图的？为什么？

You are selling two gods, I and 2, to a market consisting of three consumers with reservation prices as follows :

The unit cost of each product is $ 20.

a. Compute the optimal prices and profits for (i) selling the goods separately, (ii) pure bundling, and (iii) mixed bundling.

b. Which strategy is most profitable？ Why？

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第3题

You don't have to be in such a hurry,I would rather you （） (have) a rest first.

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第4题

Do you have access to the Internet？英译汉

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第5题

Do you have a temperature？ Have you taken it？（）

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第6题

You (have) (heard from) him (since) last month, (have) you？

A.have

B.heard from

C.since

D.have

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第7题

You ______ yesterday if you were really serious about the job.A．ought to comeB．ought have

You ______ yesterday if you were really serious about the job.

A．ought to come

B．ought have come

C．ought come

D．ought to have come

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第8题

Do you have any ______ of success？A．accessB．accidentC．possibilityD．opportunity

Do you have any ______ of success？

A．access

B．accident

C．possibility

D．opportunity

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第9题

You seldom have to do the cooking,______？ A. have you B. haven't you C. do yo

You seldom have to do the cooking,______？

A. have you

B. haven't you

C. do you

D. don't you

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第10题

你有空的时候会做什么（）

A.When you have time， what does you do

B.What do you do when you has time

C.When do you do what you have time

D.What do you do when you have time

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第11题

An assistant's help is needed ______.A．as soon as you have entered the shopB．before you st

An assistant's help is needed ______.

A．as soon as you have entered the shop

B．before you start browsing

C．only when you have finished browsing

D．when you have finished browsing

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