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What are two rules for compacting IPv6 addresses?()

A. Every 16 - bit segment segment that consists of all zeroes can be represented with a single colon.

B. The trailing zeroes in any 16 - bit segment do not have to be written.

C. The leading zeroes in any 16 - bit segment do not have to be written.

D. Any single, continuous string of one or more 16 - bit segments that consists of all zeroes can be represented with a double colon.

E. The maximum number of times a double colon can replace a 16 - bit segment that consists of all zeroes is two.

F. Two zeroes in the middle of any 16 -bit segment do not have to be written.

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更多“What are two rules for compact…”相关的问题

第1题

What would you call your baby? Recently , 8 couple in New Zealand were forbidden from naming their baby son 4Real. Even though New Zealand has quite liberal rules about naming children, names beginni

31. Why was the baby boy in New Zealand not allowed to be named 4Real?

32. In Britain, what kind of names are forbidden?

33. Who is Gandalf?

34. What are the rules in China about naming a child? (give one example)

35. What are the most popular names for boys in Britain? (give at least two examples)

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第2题

To cultivate communicative competence, what should correction focus on?A、linguistic f

To cultivate communicative competence, what should correction focus on?

A、linguistic forms

B、communicative strategies

C、grammatical rules

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第3题

There are many different cultures in the world, and in each of them the children must le
arn a great many things that are expected of everyone who participates effectively in that culture. These things are taken for granted by everyone who shares the culture. Indeed, the children begin to learn them before their linguistic skills(语言技巧)are far enough developed to understand a verbal description for what they are learning. This kind of learning has sometimes been called “imitation”, but that is too simple an explanation for the complex processes that go on when a child learns what is normal and expected in his own community. Most of the rules are communicated to the child non-verbally, and he adapts to them as if no other possibilities existed. They are much a part of him as his own body; he would no more question them than he would question the fact that he has two hands and has two legs and two feet, but only one head.

(1)Children have to learn a large number of things which ______ in their culture,

A.are difficult for them to lean

B.are regarded as especially important for them

C.are regarded as normal by everyone

D.are good for them to learn

(2)Children begin to learn things by _______.

A.using their linguistic skill

B.understanding what they are learning

C.communicating effectively

D.imitating what others are doing

(3)The learning processes for the children are ________.

A.complex

B.simple

C.normal

D.skilful

(4)Children accept the communication rules_______.

A.thoughtfully

B.unconsciously

C.cautiously

D.choosingly

(5)Which of the following statement is correct?

A.Children always ask why they have two hands

B.Children learn all that they are expected through imitations

C.Children learn things faster than adults

D.Children adapt to the communication rules naturally

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第4题

What are two security appliances that can be installed in a network? ()

A.ATM

B.IDS

C.IOS

D.IOX

E.IPS

F.SDM

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第5题

What are two security appliances that can be installed in a network (Choose two.)()。

A.ATM

B.IDS

C.IOS

D.IOX

E.IPS

F.SDM

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第6题

Questions 61-65 are based on Passage Two:Passage TwoNew rules and behavior. standards(行为

Questions 61-65 are based on Passage Two:

Passage Two

New rules and behavior. standards(行为规范) for middle school students came out inMarch. The Middle School is going to use a new way to decide who the top students are. The best students won't only have high marks. They should not dye(染) their hair,smoke ordrink because they are students. The following are some of the new rules.

Have you ever copied someone else's work in an exam? Don't do that again! That's not something an honest student should do.

Do more at school. Good students love animals and care for other people. April is Birdloving Month in China. Is your school cloing anything to celebrate it? You should join!And you can learn more about animals and how to protect them. Be friendly to the people around you. Try to think of others,not only yourself.

Be open to new ideas. Do you think people can live on the moon? Maybe you'll find another earth someday. Don't look down on new ideas. Everyone's ideas are important. You should welcome them,because new ideas make life better for everyone.

Protect yourself. Has someone ever taken money from one of your classmates? Don't let it happen to you.lf you have to go home late,you should let your parents know.

Use the Internet carefully. The Internet can be very useful for students. But some things on the Internet aren't good for children,so try to look at web pages (网页) that are good foryou.

What's the meaning of "look down on" in the passage? ()

A. 向下看

B.轻视

C.在……上面看

D.上下打量

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第7题

听力短文3:Dr。 Ben Carsen grew up in a poor single parent house-hold in Detroit。

Dr。 Ben Carsen grew up in a poor single parent house-hold in Detroit。 His mother, who had only a 3rd grade education helds two jobs cleaning bathrooms。 To his classmates and even to his

teachers he was thought of as the dummest kid in his class。 According to his own not so fond memories。

He had a terrible temper, and once threatened to kill another child。 Dr。 Carsen was headed down part of seld distraction until a critical moment in his youth。 His mother convinced that he had to do something dramatic preventing leading a life of failure laid down some rules。 He could not

watch television except for two programs a week, could not play with his friends after school

until he finished his homework。 And had to read two books a week, and write book reports about them。 His mother’s strategy worked。 “Of course, I didn’t know she couldn’t read。 So there I was

submitting these reports。” he said。 She would put check marks on them like she had been reading them。 As I began to read about scientists,economists and philosophers。 I started imaging myself in their shoes。 As he got into the hobbit of hard work, his grade began to soar。 Ultimately he received a scholarship to attending Yale

University, and later he was admitted to the University of Michigan Medical School。

He is now a leading surgeon at Johns Hopkins Medical School and he is also the author of the three books。

Questions 23 to 25 are based on the conversation you’ve just heard。

Q23 What do we learn about Ben Carsen ?

Q24 What did Ben Caren’s classmates and teachers think of him whenhe was first at school?

Q25 What did Ben Carsen’s mother tell him to do when he was a school boy?

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第8题

The key to most businesses' success is customer satisfaction. There are two rules
for customer satisfaction. Rule 1 is that the customer is always right. Rule 2 is if the customer is ever wrong, reread Rule 1.

The best way to satisfy your customer is to provide quality products, friendly service, accurate information and keep adding value as much as possible to your products and services. Giving your customers what they need and more than they expect will lead customers to return to you.

In order to improve your service, you need to make market surveys so as to know what your customers are thinking and demanding. Then you can take actions to satisfy your customers. In this way you will stay competitive in these changing times.

1.What is the key to business success?

A.Investment

B.Good advertising

C.Customer satisfaction

2.What type of information needs to be provided?

A.Accurate information

B.Interesting information

C.Simple information

3.How to make customers return to you?

A.Making market surveys

B.Taking actions to sell more

C.Providing quality products and service

4.Why do we make market surveys?

A.To lead customers to return to us

B.To know what customers are demanding

C.To keep customers happy and satisfied

5.What happens when you keep your clients happy?

A.Your clients go to competition

B.Your business grows and improves

C.Your business stays at the same level

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第9题

When configuring a scheduler map, which two are referenced?()

A.Forwarding Class

B.Scheduler

C.Rewrite Rules

D.Priority

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