攻击者采用某种手段,使用户访问某网站时获得一个其他网站的IP地址,从而将用户的访问引

题型:单项选择题

问题:

攻击者采用某种手段,使用户访问某网站时获得一个其他网站的IP地址,从而将用户的访问引导到其他网站,这种攻击手段称为______。

A.DNS欺骗攻击
B.ARP欺骗攻击
C.暴力攻击
D.重放攻击

考点:计算机等级考试网络技术三级网络技术机试
题型:单项选择题

阅读理解。

     Basketball stars are usually tall. The stars of other sports are sometimes short. Some of the best football

players are not very tall.

     Short people often have better balance than tall people, so they do not fall over (摔倒) very often. In some

sports the players must have good balance, for example, table tennis and running.

     You do not need long legs to run fast! Some of the fastest runners in the world are not very tall. Some are

tall and some are short. There is no medicine to make people grow taller or to make people shorter.

     The tallest woman in the world is Sandy Allen. She is 2.317 meters tall and lives in the United States.

     The shortest person in the world is Gul Mohammed from India. He is only 57 centimeters (厘米) tall.

     Today young people in many countries grow taller than their parents. This is because they eat better food

today. Good food can help children grow.

1. How many different sports do we talk about in this passage (段落)? What are they?

   ____________________________________________________________.

2. Is there any medicine to make people grow taller or to make people shorter?

   ____________________________________________________________.

3. The tallest person in the world is ________ meters taller than the shortest one.

4. _______ _______ helps young people today grow taller than their parents.

5. 将短文中画线的句子译成汉语:

   ___________________________________________________________.

题型:单项选择题

()所列的黏性土不宜作为土石坝的防渗体填筑料。()

A.(A) 高塑性冲积黏土,塑限含水量Wp=26%,液限含水量W1=47%

B.(B) 在料场为湿陷性黄土

C.(C) 掺入小于50%比例的砾石的粉质黏土

D.(D) 红黏土

题型:单项选择题

读李白的《行路难》,完成小题。

行路难

金樽清酒斗十千,玉盘珍馐直万钱。

停杯投箸不能食,拔剑四顾心茫然。

欲渡黄河冰塞川,将登太行雪满山。

闲来垂钓碧溪上,忽复乘舟梦日边。

行路难,行路难,多歧路,今安在?

长风破浪会有时,直挂云帆济沧海。

小题1:表现作者矛盾心里的连续的四个动词是:                 (1分)

小题2:为了表明自己渴望得到朝廷重用,作者运用了两个典故,分别用四字短语来概括是:                、                 。(2分)

小题3:你是怎样理解“长风破浪会有时,直挂云帆济沧海。”这两句诗的?(2分)

题型:单项选择题

层的功能主要是借助于()概念的引入,将人们从二维的视觉平面带向三维的立体空间。

题型:单项选择题

远离海洋的山区,人群易患甲状腺肿,其发病因素是()

A.地域因素

B.气候因素

C.体质因素

D.生活、工作环境

E.精神状态

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