构成内存储器的半导体存储部件RAM和ROM的特性
答案是:内存储器有两种半导体芯片构成。
RAM;随机存取存储器,也叫读写存储器,用来存放用户输入的程序和数据,断电后,RAM中的信息随之丢失。(为什么在输入文稿是要经常随时存盘)
ROM;只读存储器,断电后,ROM中的信息保持不变,用来存放固定的程序和信息。
计算机硬件的组成及各部分功能
答案是:运算器;对信息和数据进行运算和加工处理,运算包括算数运算和逻辑运算
控制器;实现计算机本身处理过程的自动化,指挥计算机各部件按照指令功能要求进行所需要的操作。
存储器;存储程序和数据。
输入部件;输入程序和数据。
输出部件;输出计算机的处理结果。
在PowerPoint 2010中,不可以使用“动画刷”复制对象的动画效果。
答案是:正确答案: ×
当产生图表的基础数据发生变化时,对应的图表也会发生相应的改变。(2.0分)
答案是:正确答案: √
私有地址所有局域网内部有效。
答案是:正确答案: ×
为了使用所有幻灯片有统一的、特有的外观风格,可以通过设置尺寸实现
答案是:正确答案: ×
Raptor中任何变量在被使用前必须存在并被赋值
答案是:正确答案: √
插入排序(insertion sort)是一种将无序列表中的元素通过依次插入到已经排序好的列表中的算法。(2.0分)
答案是:正确答案: √
可以用“记事本”编辑各种高级语言的程序文件,如HTML( )。(2.0分)
答案是:正确答案: √
(2B.38)16转换成十进制是34.21875。
答案是:正确答案: ×
求数据中的最大数和最小数的算法是类似的,可采用“打擂”算法。(2.0分)
答案是:√
进程被CPU中断运行时,该进程可能仍旧在内存中保留,只是其状态被改变为“就绪”或者“阻塞”。(2.0分)
答案是:正确答案: √
在幻灯片的“动作设置”对话框中设置的超链接对象可以是____。(3.0分)3.0 分
A、
其他幻灯片
B、
该幻灯片中的声音对象
C、
该幻灯片中的图形对象
D、
该幻灯片中的影片对象
答案是:正确答案: A
二进制数110110010.100101转换成十六进制是( )。
(3.0分)3.0 分
A、
2A3.92
B、
3B2.A2
C、
1A2.92
D、
1B2.94
答案是:正确答案: D
下列属于数据库管理系统的数据操纵功能的是( )。(3.0分)3.0 分
A、
数据的增加
B、
创建表
C、
数据的完整性控制
D、
数据库的恢复
答案是:正确答案: A
“ASCII码”是一种( )编码方式。(3.0分)3.0 分
A、
声音
B、
视频
C、
文字
D、
图像
答案是:正确答案: C
用于表示位图图像分辨率的常用单位是( )。(3.0分)3.0 分
A、
api
B、
cpi
C、
dpi
D、
lpi
答案是:正确答案: C
在Windows 7中,操作具有( )的特点。(3.0分)3.0 分
A、
先选择操作命令,再选择操作对象
B、
先选择操作对象,再选择操作命令
C、
需同时选择操作命令和操作对象
D、
允许用户任意选择
答案是:正确答案: B
在使用键盘进行菜单操作时,可同时按下( )键和菜单项中带下划线的字母来选某一个菜单项(3.0分)3.0 分
A、
Alt
B、
Ctrl
C、
Shift
D、
Del
答案是:正确答案: A
冒泡排序的时间复杂度是( )。(3.0分)3.0 分
A、
O(n^2)
B、
O(2n)
C、
O(n)
D、
O(n(n-1)/2)
答案是:正确答案: A
图像处理软件 Photoshop 的专用文件存储格式是( )。(3.0分)3.0 分
A、
.bmp
B、
.gif
C、
.jpg
D、
.psd
答案是:正确答案: D
以下哪一个选项按顺序包括了OSI模型的各个层次( )。(3.0分)3.0 分
A、
物理层,数据链路层,网络层,运输层,会话层,表示层和应用层
B、
物理层,数据链路层,网络层,运输层,系统层,表示层和应用层
C、
物理层,数据
答案是:正确答案: A
列( )不属于输入设备。(3.0分)3.0 分
A、
扫描仪
B、
键盘
C、
硬盘
D、
体感设备
答案是:正确答案: C
最坏情况下,冒泡排序的次数是( )。(3.0分)3.0 分
A、
n2
B、
2n
C、
n
D、
n(n-1)/2
答案是:正确答案: D
在声音的数字化过程中,量化是用来对( )划分等级。(3.0分)3.0 分
A、
样本周期
B、
样本连续性
C、
样本振幅
D、
以上都是
答案是:正确答案: C
CMYK颜色模式中的 M 代表的是( )。(3.0分)3.0 分
A、
品红色
B、
蓝色
C、
黑色
D、
灰色
答案是:正确答案: A
中国电视节目采用的制式是( )。(3.0分)3.0 分
A、
NTSC
B、
PAL
C、
SECAM
D、
其他类型
答案是:正确答案: B
在学生表中要查找年龄大于18岁的男学生,所进行的操作属于关系运算中的( )。(3.0分)3.0 分
A、
投影
B、
选择
C、
联接
D、
自然联接
答案是:正确答案: B
双击文档中的图片,产生的效果是:(3.0分)3.0 分
A、
弹出快捷菜单
B、
启动图形编辑器进入图形编辑状态,并选中该图形
C、
选中该图形
D、
将该图形加文本框
答案是:正确答案: B
下列操作中,( )直接删除文件而不把被删除文件送入回收站。(3.0分)3.0 分
A、
选定文件后,按Del键
B、
选定文件后,按Shift键,再按Del键
C、
选定文件后,按Shift+Del键
D、
选定文件后,按C
答案是:正确答案: C
如果要从一个幻灯片“溶解”到下一个幻灯片,应在下列哪个选项卡中设置( C )。(3.0分)3.0 分
A、
开始
B、
插入
C、
切换
D、
动画
答案是:正确答案: C
关于计算思维正确的说法是( )。(3.0分)3.0 分
A、
计算机的发展导致了计算思维的诞生
B、
计算思维是计算机的思维方式
C、
计算思维的本质是计算
D、
计算思维是问题求解的一种途径
答案是:正确答案: D
【判断题】It has been kaining everyday this month.
答案是:√
【判断题】Her eyes were red become she had been crying.
答案是:√
【判断题】This medicine can lessen the pain in on time.
答案是:√
【判断题】He failed to respond to the medicine.
答案是:√
【判断题】The mother didn.t know to blame who broke this cap.
答案是:√
【判断题】The new airport will facilifate tourism.
我的答案:√
答案是:√
【判断题】The image of the "macho" male is well-know.
答案是:√
【判断题】In Ivan ,courting is more serious,for the purpose of marriage.
答案是:√
【单选题】I have heard both teachers and students_well of him.
A、to have spoken
B、spoken
C、to speak
D、speak
答案是:to have spoken
【单选题】If you _ at someone,do you utter in a low voice.
A、yell
B、speak
C、talk
D、look
答案是:yell
【判断题】Are you inventing this story or are you reading the newpaper.
答案是::√
【单选题】I.ll pop over _ see you this evening.
A、and
B、or
C、but
D、else
答案是:and
【单选题】Perhaps to wtch TV rather _ to socialize with their male friend.
A、than
B、that
C、this
D、it
答案是:than
【单选题】I don.t know_ he.s doing now.
A、what
B、that
C、this
D、how
答案是:、what
【单选题】What I saw and heard in china made a deep impression _ me.
A、on
B、in
C、at
D、with
答案是:on
【判断题】Shake spare compured the world to a stage.
答案是::√
【判断题】Compare this with that and you will see which is better.
答案是:我的答案:√
【判断题】After a few months ,the groom and his relatives come for the bride.
答案是:√
【判断题】They will hive to perform the marrtage and other matters.
答案是:√
【判断题】Some people seem to do it as a hobby.
答案是:√
【判断题】A couple of peopleraised objections.
答案是:√
【单选题】If she is _ ,then she will return another day with her son.
A、pleased
B、inspect
C、definitely
D、cloury
答案是:pleased
【单选题】They do it _ the knowledge or help of their partents.
A、without
B、with
C、in
D、on
答案是:without
【单选题】He has been _ Jane for six months.
A、courting
B、court
C、courted
D、be court
答案是:courting
【判断题】The skull at the botton of the picture is symbolic of death.
答案是:√
【判断题】The head of state was welcome with full ceremony.
答案是:√
【判断题】You can begin eating only when everyone has been served.
答案是:√
【判断题】As the mealis served ,use the silverware farthest from the plate first.
答案是:√
【判断题】Every time you meet someone in a social situtain.
答案是:√
【判断题】This selection belongs to the category of popularpsychology.
答案是:答案:√
【判断题】In my view ,war is a game in which both sides lose.
答案是:答案:√
【判断题】If anyone has ever done th to you.
答案是:对
【单选题】I don.t know _ I can help you.
A、whether
B、what
C、that
D、this
答案是:whether
【单选题】_ to an expert view ,the vicyory is not yet deccided
A、According
B、Accord
C、Accorded
D、According
答案是:According
【判断题】If there are unpleasant matters to be discussed.
答案是:答案:√
【判断题】It.s like getting used to a new car.
答案是:答案:√
【判断题】In general ,he says,"people like people who like themselves."
答案是:答案:√
【判断题】If anyone has ever done this to you ,you probably did not like him very much.
答案是:对
【判断题】A lot of people.s whole lives would change if they did just that.
答案是:答案:√
【单选题】He quickly became accustomed _ the local fold.
A、to
B、in
C、on
D、withjkf
答案是:to
【单选题】John is familiar _ the roads here.
A、with
B、on
C、in
D、at
答案是:with
【单选题】Though their _ differed they got along as friends.
A、personalities
B、personality
C、personal
D、person
答案是:personalities
【单选题】You seem very sure of _ young man.
A、yourself
B、myself
C、herself
D、himself
答案是:yourself
You can readily cash traveler.s checks almost any where.
答案是:对
Credit cards can also be used forcash sdvances.
答案是:对
Credit cards a convenient way of paying hotel bills
答案是:对
【判断题】Checking accounts are only one of many servies a bank offers.
答案是:答案:√
【判断题】You pay a small maintenance charge once a month.
答案是:答案:√
【单选题】We thought it foolish _ you to do it.
A、for
B、at
C、with
D、in
答案是:for
【单选题】If I _ a care ,I would go with you.
A、had
B、have
C、having
D、been have
答案是:had
【判断题】There is no charge if the day ment is received promplty.
答案是:答案:√
【判断题】Many banks offer their customers a choice ,between two kinds of accounts.
答案是:答案:√
【判断题】You balance could not go under 300.
答案是:答案:√
【判断题】Cheking accounts have other advantages as well.
答案是:答案:√
【判断题】One of the first things you would have to do is open a checking accant.
答案是:答案:√
The passage states that incom available for spending in the U.S. was greater in 1955 than in 1950 . How much was it ?
答案是:正确答案:C
Which of the following were LEAST satisfied with the national economy in the 1950’s?
A、Economists
B、Frmaers
C、Pol
答案是:正确答案:B
It can be inferred the national from the passage that most people in the United States in 1955 viewed the national econo
答案是:正确答案:A
In Line 3, the word “boom” could best be replaced by______.
A、nearby explosion
B、thunderous noise
C、 general public
答案是:正确答案:D
What is the best title of the passage?
A、The Agriculatural Trends of 1950’s
B、The Unemployment Rate of 1950’s
C、
答案是:正确答案:C
So long as we are careful enough, sports can do us nothing 10 good.
(10)A 、 withB 、 butC 、to D 、 without
答案是:(10) B
It is also a good way for people to know each other and can promote 9 between people.
(9)A 、 healthB 、 feelingC
答案是:(9) C
excessive or severe training can do harm 8 our health.
(8)A 、for
B 、inC 、toD 、on
答案是:(8) C
e are not careful enough when participating 7 sports activities.
(7)A 、 in
B 、on C 、to
D 、of
答案是:(7) A
We may 6 other players or ourselves if
(6)A 、 damageB 、 destroyC 、 hurtD 、strike
答案是:(6) C
and sports are 5 exception
(5)A 、 inB 、forC 、withoutD 、 no
答案是:(5) C
However, as the 4 goes, "there are two sides to everything"
(4)A 、 wordsB 、sayingC 、meaningD 、 thinking
答案是:(4) B
Sports can also 3 us relax after a period of exhausting work.
(3)A 、 helpB 、 forceC 、encourage D 、move
答案是:(3) A
we will learn the importance of 2
(2)A 、corporationB 、distractionC 、cooperation D 、 occupation
答案是:(2) C
It goes without saying that taking exercises can build up our 1 strength
A 、 brainB 、physicalC 、 mentalD 、 body
答案是:(1) B
They dispense with the old man.s services.
答案是:正确答案: ×
Many banks offer their customers a choice ,between two kinds of accounts.
答案是:正确答案: √
In college,think about you schedule as a pycmid
答案是:正确答案: √
One of the first things you would have to do is open a checking accant.
答案是:正确答案: √
People were eager to becomed as strong and brave as their enemies.
答案是:正确答案: ×
The little girl had a really hard time when her father died.
答案是:正确答案: √
Learn as a child would learn play with the languaged.
答案是:Learn as a child would learn play with the languaged.
Almost everyone considers going on a diet sometimes in his or her lifes.
答案是:正确答案: ×
Her eyes were red become she had been crying.(2.0分)
答案是:正确答案: √
You can begin eating only when everyone has been serve.
答案是:正确答案: ×
_ it easy for michelle to get up early in the morning.
(3.0分)0.0 分
A、
This
B、
What
C、
Is
D、
That
答案是:
Is
The two countries _ friendly foreign relationship with each other.(3.0分)3.0 分
A、
keep
B、
have
C、
survey
D、
vital
答案是:
keep
A good storyteller must be able to hold his listeners‘ curiosity _____ he reaches the end of his story.
(3.0分)3.0 分
答案是:
till
The birth rate in a city ____ to fall as its gross domestic product (GDP) rises steady.
(3.0分)3.0 分
A、
estimated
答案是:
tends
I have heard both teachers and students_well of him.
(3.0分)3.0 分
A、
speak
B、
spoken
C、
to speak
D、
t
答案是:
to have spoken
He poured out his _ before me.(3.0分)3.0 分
A、
complaints
B、
complaint
C、
complaining
D、
complained
答案是:
complaints
Everyone is _to have many money.
(3.0分)3.0 分
A、
good
B、
eager
C、
look
D、
full
答案是:
eager
I have searched all the book stores in this town. The book you asked for is not _____.
(3.0分)0.0 分
A、
vivid
B
答案是:
tedious
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