TCP/IP参考模型可以分为4个层次:应用层、传输层、互联层与______。A.网络

题型:单项选择题

问题:

TCP/IP参考模型可以分为4个层次:应用层、传输层、互联层与______。

A.网络层

B.主机-网络层

C.物理层

D.数据链路层

考点:计算机等级考试网络技术三级网络技术笔试
题型:单项选择题

某人用400元购买了8套儿童服装,准备以一定价格出售.他以每套55元的价格为标准,将超出的记作正数,不足的记作负数,记录如下:+2,﹣3,+2,+1,﹣2,﹣1,0,﹣2(单位:元)他卖完这八套儿童服装后是盈利还是亏损?他盈利(或亏损)了多少钱?

题型:单项选择题

完成句子

1. So ________________(地震如此猛烈)that people didn't escape before they realized it.(violent)

2. It was at the very beginning that she made the decision ________________(我们派遣)more 

    firefighters there.(send)

3. ________________(我们应该制定一项计划)to deal with the present serious situation is

   important. (work)

4. It was James Watt's observation of steam from a kettle ________________(产生)the idea of the

    steam engine.(birth)

5. Whether life will continue on the earth for millions of years to come will depend on ________(是否

    能解决这一问题). (solve)

6. People in Chongqing are proud of ________________(他们所取得的成就)in the past ten years.

    (achieve)

7. I was ________________(拜访他)last Wednesday but I had an unexpected visitor.(see)

8. All those second-hand goods are sold ________________(以低于30%的价格) than before.(low)

9. News came from the school office ________________( 她已被录取) Beijing University.(admit)

10. An air France jet is reported ________________( 坠落)in the Atlantic Ocean with 228 people

      aboard,   the airline's worst disaster in its 75 -year history.

题型:单项选择题

压气机采用()的子午通流流道。

题型:单项选择题

里格斯的模型焦点在于( )

A.衍射模型

B.融合模型

C.棱柱模型

D.原始模型

题型:单项选择题

以下程序运行后输出的结果是______。
For j=i To 4
GoSub s:
m=m+1/n
Next j
Print m;n
End
s:n=j*(j+1)
Return

A.0.8,20

B.0.75,12

C.1.8,20

D.1.75,12

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