国开(中央电大)本科《管理英语4》形考任务(单元自测1至8)试题及答案

A truck () Wendy's dog and sped away.

A、ran over

B、ran into

C、ran through

D、ran down


参考答案:C


请填写【2】处标准答案。


正确答案:

i + 2


请填写【3】处标准答案。


正确答案:

答案:12 Step 2
解析:i的循环应到10,步长为2j的循环应到12,步长也为2J应该从i+2处开始。


They () a good time.

A、hadn’t

B、didn’t have

C、didn’t had


参考答案:B


Wendy: Have you been to the new bakery on the corner? Arthur: No, how is it? Wendy: It is heaven ! ______ !

A.Their cakes are to strive for

B.Their cakes are to struggle for

C.Their cakes are to die for

D.Their cakes are to pay for


正确答案:C
解析:从对话语境和供选答案看,Wendy是想说“那里的蛋糕好吃得不得了”。符合习惯的表达只能是Their cakes are to die for!(to die for something = to be eager to have something)。


摘要:国开(中央电大)本科《管理英语4》形考任务(单元自测1至8)试题及答案国开(中央电大)本科《管理英语4》形考任务(单元自测1至8)试题题目及1:—答案______________________________—No,sorry,Ididn'tknowtheruleaboutpunchingin.A.Areyoulatethismorning,Wendy?B.Didn'tyoupunchoutthismorning,Wendy?C.Didn'tyoupunchinthismorning,Wendy?标准答案:Didn'tyoupunchinthismorning,Wendy?题目2:—Isupposethere'llbealotofarguments.1 __________________:—A.Ishouldimagineso.B.Noproblem.C.That'sagoodidea.标准答案I:shouldimagineso.题目3:Leavethereferencebooksbehind,__________youwon'tbeA.or;ableB.and;toC.sothinkindependently.标答准案:or题目4:Iam________________yourearlycoming.:A.lookingforwardto;B.lookingforward;C.lookforwardto标准答案:lookingforwardto题目5:Hewillwritetomeassoonashe________home.:A.willhave

请教:2009年上半年《数据库系统工程师》上午试题(标准答案版)第1大题第48小题如何解答?

【题目描述】

● 一个 B 类网络的子网掩码为 255.255.224.0,则这个网络被划分成了 (66) 个子网。

(66)

A.  2       

B.  4     

C.  6     

D.  8

 


正确答案:D

答案分析:

【我的疑问】(如下,请求专家帮助解答)

被划分了8个子网。 B类地址的默认掩码为255.255.0.0,现在变成了255.255.224.0说明原有的主机位被借走做了网络为,224是二进制数11100000的十进制表示方法,说明有3位主机位被借走,借走3位就会有2的3次方个子网。 共划分八个,但是因为第一个子网的网络位和主类网络的网络位相同,最后一个子网的广播位和主类网络的广播位相同,所以要剪掉两个,即六个。但现在的网络中这两个子网通过设置也是可用的。所以,共8个子网
希望对您有帮助,祝您顺利通过考试
子网掩码的2进制形式为11111111.11111111.11100000.00000000
既子网掩码为三位,2^3=8,(000,001,010,011,100,101,110,111)
则该网络被划分为了8个子网。


请教:2007年下半年《网络管理员》上午试题(标准答案版)第1大题第2小题如何解答?

【题目描述】

● 用 ASCII 码表示的大写英文字母 B﹙42H﹚加偶校验后的二进制编码为 (2) 。

  (2)

A. 10001000    

B. 10000010     

C. 11000001     

D. 01000010

 


 

正确答案:D


()you()Jane last month? B: No, I().

A、*/saw/didn’t

B、Did/see/didn’t

C、Did/saw/didn’t

D、id/see/did


答案:C


Geoffrey ()French before, but he () at university now.

A、study didn’t/studies

B、didn’t study/study

C、did not study/studies

D、didn’t studied/studies


答案:D


-- Wendy, I'd like you to meet my brother Sam.

-- _____

A. I am Wendy.

B. I heard about you.

C. Nice to meet you.

D. Ok.


参考答案: C

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考题 –– Wendy: Could I have dinner now, Mummy?–– Mother: OK, Wendy. Go upstairs and tell Daddy that everybody ’s here. Then come help me———— .A: arrange the tableB: place the tableC: set the tableD: fix the table and chairs参考答案:C

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