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One of the most widely used routing protocols in IP networks is the Routing Information Pr

otocol(RIP)．RIP is the canonical example of a routing protocol built on the (71) algorithm．Routing protocols in internetworks differ slightly from the idealized graph model．In aninternetwork，the goal of the routers to forward packets to various (72) ．

Routers running RIP send their advertisement about cost every (73) seconds．A router also sends an update message whenever an update from another router causes it to change itsrouting table．

It is possible to use a range of different metrics or costs for the links in a routing protocol．RIP takes the simplest approach，with all link costs being equal (74) Thus it always tries tofind the minimum hop route．Valid distances are 1 through (75) ．This also limits RIP torunning on fairly small networks．

（71）

A．distance vector

B．link state

C．flooding

D．minimum spanning tree

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更多“One of the most widely used ro…”相关的问题

第1题

With a long history of more than 2,000 years，the Great Wall is now considered to be one

of the greatest wonders in the world. The Wall is 6,700 kilometers long from Shanhaiguan Pass in Hebei Province to Jiayuguan Pass in Gansu Province. The wall is about 7.8 meters high，and it is 6.5 meters wide at the base and 5.8 meters at the top. The Great Wall was first built during the Warring States Period (476-221B.C.) to prevent people in the north from attacking. Then the First Emperor of Qin ordered several hundred thousand workers to connect different sections of the wall. Today，tourists can visit eight sections of the Great Wall. Most of them were built in the Ming Dynasty. The best section of the Great Wall is located near Beijing. 依照文章判断正误(对的写T;错误写F)

() 6. The Great Wall has a history of over 2,000 years.

() 7. The Great Wall is said to be the greatest wonder in the world.

() 8. Shanhaiguan Pass is close to Jiayuguan Pass.

() 9. The First Emperor of Qin ordered more than 100,000 workers to build the Great Wall.

() 10. Most of the present sections of the wall were built in the Qin Dynasty.

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第2题

There are mainly four great traditional cuisines that are viewed as representatives of Chinese culinary(烹饪的)skills.

Shandong

It is all about local, fresh ingredients and the stars are the seafood, including scallops, prawns, clams, sea cucumbers, and squid. Other commonly used ingredients include maize, peanuts, millet, wheat, oat, and a distinct type of vinegar. Quick-fried, stir-fried, stewed and braised items are among the more than thirty cooking techniques of Shandong cuisine.

Guangdong

Authentic Cantonese cuisine is among the most adventurous in China in terms of variety of ingredients as the Cantonese are famous, even among the Chinese, for their extremely wide definition of what is considered edible(可食用的). Sauces, like hoisin, oyster sauce, sweet and sour sauce are predominant in Cantonese cuisine which produces light, sweet, tender and crisp dishes.

Sichuan

Saying Sichuan cuisine is hot and spicy is an understatement. Mouth-numbing(麻嘴的)and sweat-inducing, one can easily become addicted to the Sichuan peppercorns and dry peppers. Also sweat-inducing but in a different way is the Sichuan (as well as Chongqing) hotpot—perfect for the winter yet beloved by locals in the summer. The uniqueness of its cuisine also resides in its two cooking methods, the dry-braising(焖)and the dry-stewing.

Huaiyang

Considered a sub-regional style of the Jiangsu region, which also claims Shanghai and Hangzhou cuisine as descendants, Huaiyang cuisine is renowned for the delicateness of the dishes as well as the liberal use of sugar. Chefs of Huaiyang cuisine are more concerned with the presentation of the dishes as opposed to the “large plate contains everything” mentality typical of northern Chinese cuisine. Representative dishes include tofu noodles, Beggar’s Chicken, congee, Yangzhou fried rice and braised meatballs. Another standout is the crab soup dumplings.

1.Which is the characteristic of Sichuan cuisine?

A.The most adventurous.

B.Quick-fried fresh seafood.

C.Sweet, using much sugar.

D.Spicy and mouth-numbing.

2.What’s typical of northern Chinese cuisine?

A.Delicate and slightly sweet.

B.The“large pan stir-fries everything”.

C.Using a distinct type of vinegar.

D.Sweat-inducing for resisting cold.

3.Which of the following is typical of one of the four traditional cuisines?

A.Dry peppers; Beggar’s Chicken.

B.Seafood; crisp; sweet and sour.

C.Sea cucumbers; peanuts; wheat.

D.Dry-braising; braised meatballs.

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第3题

There are several applications called Web（69)that make it easy to access the World Wide We

There are several applications called Web(69)that make it easy to access the World Wide Web, two of the most popular being Netscape Navigator and Microsoft's Internet Explorer.

A．views

B．homepages

C．browsers

D．sites

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第4题

There are several applications called Web（73)that make it easy to access the World Wide We

There are several applications called Web(73)that make it easy to access the World Wide Web. two of the most popular being Netscape Navigator and Microsoft' s Internet Explorer.

A．views

B．homepages

C．browsers

D．sites

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第5题

TheWorldWideWebisthe（）toallowuserstobrowsefromone（）toanotherandtoinspecttheinformationav

The World Wide Web is the （） to allow users to browse from one （） to another and to inspect the

information available without using complicated commands and protocols．

A．information system

B．Internet site

C．net system

D．Internet

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第6题

Section ADirections: In this section, there is a passage with ten blanks. You are required

Section A

Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item with a single line through the center. You may not use any of the words in the bank more than once.

Every social experience we have affects us in at least some small ways. Family, schooling, peers, and mass media all have an【S1】______on how we are socialized as children. Each of these factors has the power to shape our thoughts, feelings, and actions. The family is the most important because it【S2】______the center of children's lives. Babies are almost totally【S3】______on others, and the responsibility of meeting their needs almost falls on parents and other family members. At least until the start of schooling, the family is responsible for teaching children cultural【S4】______and attitudes. Schooling【S5】______children's social world to include people with backgrounds that differ from their own. Formally, schooling teaches children a wide range of knowledge and skills. School is also most children's first experience with rigid【S6】______. Children are encouraged to conform. to roles and be on time. Another factor that【S7】______children is their peer group. Unlike the family and school, the peer group allows young people to【S8】______from the direct control of adults. Peer groups also give young people the【S9】______to discuss interests that may not be shared by adults. The fourth major influence on social development is the mass media--【S10】______ television. Years before children learn to read, watching television has become a regular habit. Indeed, children spend as much time watching television as they do interacting with their parents.

A) obviously B) opportunity C) relevant D) represents

E) impact F) dominant G) especially H) discipline

I) stretches J) values K) solution L) escape

M) vary N) affects O) dependent

【S1】

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第7题

A Reading is not the only way to gain knowledge of the work in the past. There is anot

her large reservoir (知识库 ) which may be called experience, and the college student will find that every craftsman (工匠 ) has something he can teach and will generally teach gladly to any college student who does not look down upon them . The information from them differs from (不同于 ) that in textbooks and papers chiefly in that its theoretical (理论的 ) part -- the explanations of why things happen -- is frequently quite fantastic (神奇的 ) . But the demonstration (示范 ) and report of what happens , and how it happens are correct even if the reports are in completely unscientific terms (术语 ). Presently the college student will learn, in this case also, what to accept and what to reject. One important thing for a college student to remember is that if Aristotle could talk to the fish

1.Which of the following statements is supported by the passage？ ()

A、The college students have trouble separating good plants from wild grass

B、Craftsman s experience is usually unscientific

C、The contemptuous (傲慢的 ) college students will receive nothing from craftsmen

D、Traditional practices are as important as experience for the college student

2.The main idea of this passage is about ().

A、what to learn from the parents

B、how to gain knowledge

C、why to learn from craftsman

D、how to deal with experience

3.From this passage we can infer that ().

A、we ll invite the craftsman to teach in the college

B、schools and books are not the only way to knowledge

C、scientific discoveries late based on personal experience

D、discoveries and rediscoveries are the most important source of knowledge for a college student

4.In the last paragraph the phrase "this wide, confused wilderness" refers to ().

A、personal experience

B、wild weeds among good plants

C、the information from the parents ？the vast store of

D、traditional practices

5.The author advises the college student to () .

A、be contemptuous to the craftsman

B、be patient in helping the craftsman with scientific terms

C、learn the craftsman s experience by judging it carefully

D、gain the craftsman s experience without rejection

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第8题

One of the most frequently used musical instrument on a jazz band included a().

A.violin

B.trumpet

C.piano

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第9题

That’s one of the most astonishing economic ____ since the Second World War.

A.transportation

B.transmission

C.transformation

D.conversion

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第10题

【B1】Means the assembly of small parcels of cargo from several consignors at one point of o

rigin intended for several consignees at another point of destination． As a consolidator，the freight forwarder will provide the service in his own name and issue a 【B2】．To the individual consignors，the consolidator is the【B3】．While in his relationship with the actual carrier．he is the【B4】 .Consolidation can benefit all concerned， e．g．exporters and shippers，carrier and forwarder．For exporters and shippers，they get the benefit of a rate lower than they would have normally paid to the carrier. And shippers find it advantageous to deal through a freight forwarder who pmvides consolidation services to a wide range of destinations instead of approaching several 【B5】， each of which may be offering services only on routes which they operate．

【B1】

A．Transshipment

B．Distribution

C．Transportation

D．Consolidation

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第11题

Cargo insurance is one of the most important parts in international trade. Insura

nce policy is an evidence of government policy referring to insurance market. （）

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