What are the basic stages of language learning and the pattern of language development？

A. Configure the net system - id command under routerisis and enable IS - IS on each interface with the ip router isis command.

B. Configure the net sy stem - id and the network net - id commands under routerisis.

C. Configure the network net - id command(s) under routerisis and enable IS - IS on each interface with the ip router isis command.

D. Configure the network net - id command(s) and the is - type level -1- 2 command under routerisis.

E. Configure the net system - id and the network net - id commands under routerisis and enable ISIS on each interface with the ip router isis command.

Books are to mankind what memory is to the individual. They contain the history of our racBooks are to mankind what memory is to the individual. They contain the history of our race, the discoveries we have made, the accumulated knowledge and experience of ages．They picture for us the marvels and beauties of nature, help us out of difficulty, comfort us in sorrow, change hours of tiredness into moments of delight, fill our minds with good ideas and happy thoughts, and lift us out of and above ourselves. And also, books can help transport us to mountains or the seashore, and visit the most beautiful parts of the earth, without fatigue, inconvenience, or expense. In a sense they give us an even more vivid idea than the actual reality. So, precious and priceless are the blessings which the books scatter around our daily paths．We walk, in imagination, with noblest spirits, through the most fascinating regions.

A.the structural view

B.the communicative view

C.interactional view

D.functional view

What are the most the striking features of Hemingway s writing style?

What are the five types of illocutionary speech acts Searle has specified? What is the illocutionary point of each type? 瑟尔把言外行为详细地分为哪五类?每一类的言外之的是什么?

A. Latency fluctuates regardless of frame size.

B. The switch receives the complete frame before beginning to forward it.

C. Latency through the switch varies with frame length.

D. The switch checks the destination address upon receipt of headers.

A.A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure

B.Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size.

C.A higher level of network security can be reached by separating sensitive data traffic from other network traffic.

D.Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks

E.A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.

F.Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.

G. VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.

A.Amoreefficientuseofbandwidthcanbeachievedallowingmanyphysicalgroupstousethesame networkinfrastructure

B.Broadcaststormscanbemitigatedbydecreasingthenumberofbroadcastdomains，thusincreasing theirsize

C.Ahigherlevelofnetworksecuritycanbereachedbyseparatingsensitivedatatrafficfromothernetwork traffic

D.Port-basedvlansincreaseswitch-portuseefficient，thanksto802.1Qtrunks

E.Amoreefficientuseofbandwidthcanbeachievedallowingmanylogicalnetworkstousethesame networkinfrastructure

F.Broadcaststormscanbemitigatedbyincreasingthenumberofbroadcastdomains，thusreducingtheirsize

G.VLANsmakeiteasierforITstafftoconfigurenewlogicalgroups，becausethevlansallbelongtothesamebroadcastdomain

What topic are the man and woman discussing?

A．Mating habits of squid and octopus.

B．The evolution of certain forms of sea life.

C．The study of marine shells.

D．Survival skills of sea creatures.

A. It helps verify end-to-end path availability.

B. It provides traffic rerouting in case of disaster.

C. HSRP, GLBP, and VRRP can be clients of GSS.

D. BGP must be the routing protocol between the distributed data centers.

E. DNS responsiveness is improved by providing centralized domain management.