The term register refers to language variation according to______.A．userB．useC．ageD．region

use.()

speakers or used in a particular field.

A、variety

B、register

C、dialect

D、Creole

A、streak

B、term

C、plan

D、period

A. There are three IGMP modes: dense mode, sparse mode, and sparse - dense mode

B. IGMP is used to register individual hosts with a multicast group

C. IGMP version 3 enables a multicast receiving host to specify to the router which sources it should forward traffic from

D. IGMP messages a re IP datagrams with a protocol value of 2, destination address of 224.0.0.2, and a TTL value of 1

E. IGMP is a multicast routing protocol that makes packet - forwarding decisions independent of other routing protocols such as EIGRP

F. IGMP snooping ru ns on Layer 3 routers

d other data must be loaded for subsequent execution or processing. In large computing systems, the term "main storage" is(71) to "memory". "Buffer" mainly indicates a special-purpose storage or storage area allowing, through(72) storage, the data transfer between two functional units having different transfer characteristics. A buffer storage is used between non-synchronized devices or where one is(73) and the other is parallel or between those having different trans far rates. "(74) (memory)" is also a special-purpose buffer storage, smaller and faster than main storage, used to hold a copy of instructions and data obtained from main storage and likely to be needed next by the processor. "Register" is commonly composed of a part of internal storage having a specified storage(75) and usually intended for a specific purpose.

A．suitable

B．optional

C．choice

D．preferred

听力原文： (32)Your assignments this term will be to write two major research papers．One of the most important things about writing a research paper is giving proper credit of your resources of information. Failure to do this is called plagiarism which is a form. of intellectual dishonesty.

(33)Plagiarism is a kind of stealing or at least an unauthorized borrowing of someone else's ideas. Sometimes inexperienced students will plagiarize unintentionally, and then be surprised when the teacher won't accept their papers, or gives them a failing grade.

The best way to avoid an unintentional plagiarizing is to be very careful in gathering your information. As you take notes on books and magazine articles about the topic you've selected, first try to assimilate the information thoroughly. (34)Secondly, write it down in your own words. This is called paraphrasing. If you do a good job of paraphrasing, you'll capture the main idea from your source without actually using any phrases from it. (34)Most of your notes should probably be paraphrases. However, occasionally you may find something you wish to quote directly in your research paper. In this Case, (35)be sure that you copy the quotation precisely in your notes and enclose it in quotation marks. That way when you're finalizing your research paper, you'll be able to remember which of your notes are direct quotes and which are your own summaries of the material. You can then incorporate them appropriately and give the original author proper credit.

(33)

A．Reading magazine articles.

B．Reviewing book reports.

C．Writing research papers.

D．Selecting information sources.

某局域网通过两个路由器划分为3个子网，拓扑结构和地址分配如图所示。

下面是路由器Rl的配置命令列表，在空白处填写合适的命令／参数，实现R1的正确配置。

Router＞en

Routerconf term

Router(config)hosmame R1

(1)

R1(config—if)ip address 192．168．1．2 255．255．255．0 l

Rl(config—if)no shutdown

Rl(config—if)int sO

Rl(config—if)ip address (2)

Rl(config—if)no shutdown

Rl(config—if)clock rate 56000

Rlf config—if)exit

R1(config)ip routing

Rl(config)ip route 0．0．0．0 0．0．0．0 (3)

R1(config)ip classless

R1(config)exit

R1copy run start

下面是路由器R2的配置命令列表，在空白处填写合适的命令参数，实现R2的正确配置。

Router＞en

Routerconf term

Router(config)hostname R2

R2(config)int e0

R2(config—if)ip address 192．168．3．1 255．255．255．0

R2(config—iOno shutdown

R2(config—if)int sO

R2(config—if)ip address 192．168．2．2 255．255．255．0

R2(config—if)no shutdown

R2(config—if)(4)

R2(config)ip routing

R2(config)ip route 0．0．0．0 0．0．0．0 (5)

R2(config)ip classless

RE(config)exit

R2copy run start

Genetically modified (GM) foodstuffs are here to stay. That's not to say that food produced by conventional agriculture will disappear, 【C1】______ simply that foodbuying patterns will polarize. It may even be that GM food will become the food of 【C2】______ because consumers come to appreciate the health benefits of reduced pesticide use.

The reason GM food will not go away is that we need a three-fold increase in food production by the year 2050 to keep 【C3】______ with the world's 【C4】______ population growth to ten or eleven billion. It's not just a question of more mouths to feed either. 【C5】______ is often forgotten is that all these extra people will take up space,reducing the overall land 【C6】______ for agriculture.

It may well be that in the long term it is the developing world 【C7】______ benefits most from GM foods. It's true that for the next ten years or so GM crops may be 【C8】______ expensive. But the lesson of personal computers is applicable here—once the technology has been developed for money spinning crops, 【C9】______ maize, soy beans and cotton,it will become 【C10】______ for all.

This doesn't mean, unfortunately, that families will 【C11】______ , but severity and duration will be helped by an 【C12】______ ability to produce and distribute food.

【C13】______ we move into this new era of agriculture we're embarking on a journey the world has seen many number of times with experiments before. We have been refining species of wheat for several thousand years. Genetic engineers like me are not doing anything as 【C14】______ as making a cabbage into a cauliflower 【C15】______ has been done by plant breeders in the past.

We're simply tapping into the whole gene pool, rather than concentrating on one species at a time.

【C1】______

A．and

B．or

C．but

D．rather than

Do you want to improve your skills and boost your job prospects？

Would you like to give an edge to your university application？

Would you like to study where and when you want - even just using a laptop？

Would you like to set your own timetable？

Then a Direct course is the one for you! Direct offers online courses in many areas including computing, business and finance. No previous computer experience is required.

Learning with Direct

Direct is not a lonely experience - it's learning in a virtual classroom.

* You will be given an online tutor and have online tutorials. These will be completely confidential. You log on with a secure password.

* You can chat with other students on your course in informal chat rooms.

* You can join online discussion forums and seminar groups at pre-arranged times.

Join the e-learning revolution!

Courses available

Business (Marketing, Management, Customer care, Selling)

Finance and Accounting

Computing

- Word processing

- Spreadsheets

- Presentation preparation

- Web design

By the end of each course you will have earned a Direct Certificate and you will have gained three credits towards your diploma.

Plans for expansion

By the end of next year we will have set up a full range of desktop computers right here in the Centre, so that even if you do not have one at home, you can still learn with Direct.

To register simply come to the Direct Centre when we’re open.

Direct Centre opening times

Monday - Friday 2 p.m. – 8 p.m.

Saturday – 10 a.m. – 6 p.m.

Or

telephone us on: 020 5667 824

e-mail us on: DIRECT@mamo.co.uk

1.The passage is written for the purpose of ______.

A.informing the reader of Direct Courses

B.introducing how to apply for Direct Courses

C.arguing for Direct Courses

2.Which of the following is NOT true about the Direct？ ()

A.It offers a great variety of courses.

B.It’s an e-learning experience.

C.It requires you to be skilled in computer.

3.Bases on the passage, we can infer that if we learn with Direct, we can______.

A.meet the tutors on line

B.have no contact with other students

C. join the discussion forums and seminar groups anytime

D. study English well

4.We can infer from the passage that if we want to learn with Direct, ____.

A.we must buy a laptop

B.we needn’t have our own computers

C.we need several computers at home

5.According to the passage, if we want to register for Direct, we’d better _____.

A.make an appointment beforehand

B.go simply to the Direct centre every morning

C.go simply to the Direct centre during their opening hours

请根据短文内容，回答题。

Why Buy Shade-Grown Coffee？

When people argue about whether coffee is good for health, they&39;re usually thinking of the health of the coffee drinker. Is it good for your heart？ Does it increase blood pressure？ Does it help you concentrate？ However, coffee affects the health of the human population in other ways, too.＜br＞

Traditionally, coffee bushes were planted under the canopy (树冠) of taller indigenous (土生土长的) trees. However, more and more farmers in Latin America are deforesting the land to grow full-sun coffees. At first, this increases production because more coffee bushes can be planted if there aren&39;t any trees. With increased production come increased profits.＜br＞

Unfortunately, deforesting for coffee production immediately decreases local wildlife habitat.＜br＞

Native birds nest and hide from predators (捕食者) in the tall trees and migrating birds rest there.＜br＞

Furthermore, in the long term, the full-sun method also damages the ecosystem because more chemical fertilizers and pesticides are needed to grow the coffee. The fertilizers and pesticides kill insects that eat coffee plant, but then the birds eat the poisoned insects and also die. The chemicals kill or sicken other animals as well, and can even enter the water that people will eventually drink.＜br＞

Fortunately, farmers in Central and South America are beginning to grow more coffee bushes in the shade. We can support these farmers by buying coffee with such labels as "shade grown" and "bird friendly". Sure, these varieties might cost a little more. But we&39;re paying for the health of the birds, the land, ourselves, and the planet. I think it&39;s worth it.

What is the main idea of this passage？ 查看材料

A.Farmers are changing the way they grow coffee

B.Coffee is becoming more expensive to produce

C.Shade-grow coffee is more expensive than sun-grow coffee

D.People should buy shade-grown coffee