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Directions: There are 20 blanks in the following passage. For each blank there are four ch

oices marked A), B), C) and D) on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

注意:此部分试题请在答题卡2上作答。

The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and business-to-business transactions. Conceptually, e-commerce does not __67__ from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier __68__ fax.E-commerce follows the same model __69__ in other business transactions; the difference __70__ in the details.

To a consumer, the most visible form. of e-commerce consists __71__ online ordering. A customer begins with a catalog of possible items, __72__ an item, arranges a form. of payment, and __73__ an order. Instead of a physical catalog, e-commerce arranges for catalogs to be __74__ on the Internet. Instead of sending an order on paper or by telephone, e-commerce arranges for orders to be sent __75__ a computer network. Finally, instead of sending a paper representation of payment such as a check, e-commerce __76__ one to send payment information electronically.

In the decade __77__ 1993, e-commerce grew from an __78__ novelty (新奇事物) to a mainstream business influence. In 1993, few __79__ had a web page, and __80__ a handful allowed one to order products or services online. Ten years __81__, both large and small businesses had web pages, and most __82__ users with the opportunity to place an order. __83__, many banks added online access, __84__ online banking and bill paying became __85__. More importantly, the value of goods and services __86__ over the Internet grew dramatically after 1997.

67.

A) distract

B) descend

C) differ

D) derive

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更多“Directions: There are 20 blanks in the following passage. For each blank there are four ch”相关的问题

第1题

Techniques to Help Us Remember BetterWe all have problems remembering things, but there ar

Techniques to Help Us Remember Better

We all have problems remembering things, but there are some techniques that you can use to help you remember.

First of all, remember the names and jobs of the people and where they come from. ______【46】. And you should try to think of funny images as they are easier to remember. For example, we have Tom—the student from Australia. Well, for Tom you might imagine a tomato. Then Australia has a shape a bit like a dog. ______【47】. So imagine Tom's face as a tomato and he's with a dog and the dog is reading a book. So now we have a picture of Tom the student from Australia.

Now let's take the numbers. The best thing to do here is to break a large number up into smaller numbers and then think of things that the numbers remind you of, such as a birthday, a particular year, the number of a house. ______【48】.

With the directions, the best thing is to imagine you yourself following the directions.

______【49】. Count the turnings 1, 2. . . Then turn left. Now imagine going past a supermarket and a cinema and so on.

When you have to remember lists of words, try to build them into a story. So with our words we might start with, "The sun was shining, so I went for a walk. I saw a horse wearing trousers. It was kicking some bananas over a television. The bananas landed in a bag. " And so on. ______【50】. Try some of these techniques and you'll be amazed at what you can remember.

A. We cannot remember the same as we can do before we get old

B. Now let's imagine it's a very clever dog and is studying

C. Create a picture in your mind of yourself going down the street

D. Here, the best thing is to imagine images of the people and the names that you want to remember

E. Again the funnier the story, the better

F. Or with a number like 747 you might think of a jumbo jet—a Boeing 747

(46)

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第2题

基态29Cu原子的电子排布式为()。 A.[Ar]3d94s2 B.[Ar]3d104s1 C.1s22s22p63s23p33d104s24p2 D.[Ar]4s1
基态29Cu原子的电子排布式为( )。

A.[Ar]3d94s2B.[Ar]3d104s1

C.1s22s22p63s23p33d104s24p2D.[Ar]4s13d10

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第3题

AR业务的主要产品形态不包括()

A.虚拟形象

B.AR 互动

C.AR社交

D.AR游戏

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第4题

下列可用于直接配制原则溶液的试剂是()。

A.KMnO4(AR)

B.K2Cr2O7(AR)

C.Na2S2O3•5H2O(AR)

D.NaOH(AR)

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第5题

5G智慧商贸中5G+XR解决方案包含()等应用()。

A.VR密室

B.AR中庭

C.AR抢红包

D.AR测绘

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第6题

移动云AR的核心平台有哪些()。

A.云AR通用能力平台

B.云AR基础能力平台

C.AR业务平台

D.AR内容服务平台

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第7题

试编写一个程序段,实现AR←AR×12的操作(不考虑结果的溢出)。

试编写一个程序段,实现AR←AR×12的操作(不考虑结果的溢出)。

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第8题

在完全竞争市场上,厂商短期内继续生产的最低条件是( )。

A.AC=AR

B.AVC<AR或AVC=AR

C.AVC>AR或AVC=AR

D.MC=MR

E.P>AC

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第9题

vacuo]ar system液泡系
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第10题

垄断竞争市场上厂商实现短期均衡的条件是()。

A.MR=MC=AR=AC

B.MR=MC,AR=AC

C.MR=MC

D.AR=AC

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第11题

人气买卖指标(AR)也称______。

人气买卖指标(AR)也称______。

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