试题与答案

试列出TCP/IP协议簇分层中的网络层的基本功能。

题型:问答题 简答题

题目:

试列出TCP/IP协议簇分层中的网络层的基本功能。

答案:

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The Smiths are taking a vacation next week. At first, they thought about   1    to Beijing. Because they went there three times, so there’s nothing  2 for them. This time, they want to go  3 .   4 are they going then? “I want to go to Jiuzhaigou,” said Tom. “But it’s quite  5  from here and we have only two,” Mary disagreed. “I think we should go somewhere near here.” And  7 they decided  8  to Qingdao. Qingdao is famous     9   its beautiful beaches.
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小题1:
A.to goB.wentC.goingD.goes
小题2:
A.goodB.boringC.newD.old
小题3:
A.different somewhereB.different anywhere
C.anywhere differentD.somewhere different
小题4:
A.WhatB.WhereC.WhenD.How
小题5:
A.behindB.longC.farD.near
小题6:
A.weeksB.monthsC.yearsD.days
小题7:
A.lastB.firstC.at firstD.at last
小题8:
A.to goB.goingC.goD.went
小题9:
A.toB.aboutC.forD.at
小题10:
A.inB.onC.atD.to
小题11:
A.forB.inC.atD.on
小题12:
A.zooB.shopC.townD.cinema
小题13:
A.going swimming     B.going skating
C.playing tennis   D.playing baseball
小题14:
A.lessons B.photosC.soccerD.movie
小题15:
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题型:问答题

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实验①实验②实验③实验④
    
白磷不燃烧白磷不燃烧白磷不燃烧白磷燃烧
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(2)实验____和实验____证明了可燃物燃烧必须要接触氧气。

(3)实验____和实验____证明了可燃物燃烧必须要达到着火点。

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