网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The telephone line is（）busy at the moment.
A
fair
B
quite
C
well
D
quiet
参考答案
参考解析
解析：
暂无解析
更多 “单选题The telephone line is（）busy at the moment.A fairB quiteC wellD quiet” 相关考题
考题
The park is ______ .A、not quiet enoughB、not enough quietC、quiet not enoughD、enough not quiet
考题
It was clever ______ you to make such a decisive decision at the moment.A、aboutB、ofC、 onD、with
考题
The kids have been really ________ today. Do you have any idea to keep them quiet for a while?
A. smartB. noisyC. quietD. busy
考题
Which one of these statements about connecting to the Internet is true?(68).A．The Internet can only be used to link computers with same operating systemB．The Internet can be used to connect computers with different ISPC．You must have a telephone line to connect to the InternetD．You must have a modem to connect to the Internet
考题
●(72) is a device that allows a computer to transmit information over a telephone line.(72) A．DiskB．ModemC．PrinterD．Display
考题
In line with the passage, if you don't like to write a letter, it's simply because ______.A. you are lazy enoughB. you are busy enoughC. you haven't found the advantages of lettersD. you can't afford too many letters
考题
I arrived at the airport so late that I __________missed the plane.
A．only
B．quite
C．narrowly
D．seldom
考题
There was a simultaneous trial taking place in the next building.A: fair
B: full
C: coexisting
D: public
考题
In multipoint networks , there are tree persistence methods when a station finds a channel busy.in the 1-persistent method,after the station finds the line idle,it sends its frame immediately.this method has the （ ） chance of collision because two or more stations may find the line （请作答此空） and send their frames immediately. In the nonpersistent method , a station that has a frame to send （ ） the line . If the line is idle , it sends immediately If the line is not idle , it waits a （ ） amount of time and then senses the line again.The nonpersistent approach （ ） the chance of collision because it is unlikely that two or more stations will wait the same amount of time and retry to send simultaneously The p-persistent approach combines the advantages of the other two strategies . It reduces the chance of collision and improves efficiency.A.idle
B.busy
C.useful
D.unusable
考题
What will significantly degrade DSL performance， regardless of DSL rate or line length？ （）A、Microliters installed between a telephone and shared lineB、POTS splitters at the subscriber’s end of the DSL lineC、POTS splitters at the telco COD、None of the other alternatives apply
考题
What is the minimum connection required for Call Home on an IBM System Storage DS8000?（）A、ISDN connectionB、Analog telephone lineC、Ethernet internet connectionD、Both an analog telephone line and an ethernet connection
考题
单选题What will significantly degrade DSL performance， regardless of DSL rate or line length？ （）A
Microliters installed between a telephone and shared lineB
POTS splitters at the subscriber’s end of the DSL lineC
POTS splitters at the telco COD
None of the other alternatives apply
考题
单选题Because our work is very busy, so we need to relax at midday.A
We are very busy,B
Our work being busy,C
Our work so very busy,D
Because our work so very busy,
考题
单选题What is the minimum connection required for Call Home on an IBM System Storage DS8000?（）A
ISDN connectionB
Analog telephone lineC
Ethernet internet connectionD
Both an analog telephone line and an ethernet connection
考题
单选题A: I’d like to speak to the manager, please. B: ______A
Who are you?B
Thanks for calling.C
Hold the line, please. I’ll see if he is around.D
Yes, but the line is busy now.
考题
单选题查找yuangong表中所有电话号码（列名：telephone）的第一位为8或6，第三位为0的电话号码（）A
SELECT telephone FROM yuangong WHERE telephone LIKE’[8，6]%0*’B
SELECT telephone FROM yuangong WHERE telephone LIKE’（8，6）*0%’C
SELECT telephone FROM yuangong WHERE telephone LIKE’[86]_0%’D
SELECT telephone FROM yuangong WHERE telephone LIKE’[86]_0*’
考题
单选题You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear（）.A
SpeechB
Signaling tonesC
A busy signalD
All of the above
考题
单选题_____A
She should repair the telephone herself.B
She can turn to Mike for help.C
He knows nothing about telephone.D
He will call the telephone company.
热门标签
最新试卷