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最新专业课作业计算机应用基础答案

The overwhelming flood has polluted the water sources of the city and it is now ____ drinkable water.

A、in need

B、in short

C、short of

D、needed


正确答案:C


The text is mainly about .

A.water supply and increasing population

B.water use management and agriculture

C.water redistribution and wildlife protection

D.water shornages and environmental protection.


正确答案:B


The () workers' attention is now turning towards the recovery of bodies from the rubble and providing food, shelter and drinking water for the survivors.

A.route

B.in total

C.rather than

D.rescue


参考答案:D


Packaged Drinking Water的中文意思是咸水。

此题为判断题(对,错)。


正确答案:×


What represents poor sanitary procedures ________.

A.Keep and use a separate filling hose for potable(drinking)water

B.Locate potable(drinking)water tanks as low as possible in the bilge

C.Eliminate enclosed spaces in which trash,food particles,dirt may gather

D.After washing dishes with soap and warm water,sterilize them in water of at least 170℉(76.7℃)


正确答案:B


of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilitiesof rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilitiesof rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities 专业课作业 1.一般认为,世界上第一台电子数字计算机诞生于_。A.1946年2.当前的计算机一般被认为是第四代计算机,它所采用的逻辑元件是_。C.大规模集成电路3、下列关于世界上第一台电子计算机ENIAC的叙述中,错误的是_。D.确定使用高级语言进行程序设计4、目前,微型计算机中广泛采用的电子元器件是_。D.大规模和超大规模集成电路5、早期的计算机体积大、耗电多、速度慢,其主要原因是制约于_。D.元器件一一早期的计算机元器件是电子管,其体积大、耗电多。6、计算机可分为数字计算机、模拟计算机和数模A合计算机,这种分类是依据_。B.处理数据的方式-一有两种:处理数字的和处理模拟数据的(声音属于模拟数据)7、电子计算机按规模和处理能力划分,可以分为_。C.巨型计算机、中小型计算机和微型计算机8、个人计算机简称PC机,这种计算机属于_。A.微型计算机9、计算机的主要特点是_。C.运算速度快、自动控制、可靠性高10、以下不属于电子数字计算机特点的是_。B.体积庞大11、现代计算机之所以能够自动、连续地进行数据处理,主要是因为_。D.具有存储程序的功能12、下列各项中,在计算机主要的特点中尤其最重要的工作特点是_。A.存储程序与自动控制13、“使用计算机进行数值运算,可根据需要达到几百万分之一的精确度”,该描述说明计算机具有_。C.很高的计算精度14、“计算机能够进行逻辑判断并根据判断的结果来选择相应的处理”,该描述说明计算机具有_。B.逻辑判断能力15、计算机的通用性使其可以求解不同的算术和逻辑问题,这主要取决于计算机的_。A.可编程性 16、当前计算机的应用领域极为广泛,但其应用最早的领域是_。B.科学计算17、计算机当前的应用领域非常广泛,但根据统计其应用最广泛的领域是_。(请看解析)A.数据处理18、当前气象预报已广泛采用数值预报方法,这主要涉及计算机应用中的_。D.科学计算和数据处理19、办公室自动化是计算机的一大应用领域,按计算机应用的分类,它属于_。D.数据处理20、在工业生产过程中,计算机能够对“控制对象”进行自动控制和自动调节的控制方式,如生产过程化、过程仿真、过程控制等。这属于计算机应用中的_。B.自动控制 21、计算机辅助设计的英文缩写是_。A. CADComputer Aided Design (CAD)22、英文缩写CAI的中文意思是_。C.计算机辅助教学23、利用计算机来模仿人的高级思维活动,如智能机器人、专家系统等,被称为_。C.人工智能24、计算机应用中最诱人、也是难度最大且目前研究最为活跃的领域之一是_。D.人工智能25、计算机连接成网络其目标是实现_。C.资源共享和信息传输26、所谓的信息是指_。D.处理后的数据27、数据是信息的载体,它可以用不同的形式来表示,如下给出的不同形式数据有数值、文字、语言、图形和_。C.图像 28、用语言、文字、符号、场景、图像、声音等方式表达的内容统称为_。C.信息29、计算机中的所有信息(包括文字、图像、音频和视频等)都是以二进制方式表示的,主要理由是_。A.所需的物理元件最简单30、在计算机内部,数据加工、处理和传送的形式是_。d.二进制码31、下列四组数依次为二进制、八进制和十六进制,符合要求的是_。C.11,77,1E32、为了避免混淆,十六进制数在书写时常在后曲加上字母_。A.H 33、二进制数10110001B转换为十进制数应是_。(数据中的B表示该数是二进制数)B.17734、把十进制数121转换为二进制数是_。c. 1111001B35、在下列一组数中,数值最小的是_。D. (227)836、十进制数25的八进制形式为_。D.31(0)37、与十进制数4625等值的十六进制数为_。B. 1211H38、十六进制数CDH转换为十进制数是_。C.20539、将二进制数01100100B转换成十六进制数是_。B.64H40、下列各进制的整数中,值最小的是_。B.二进制数1041、一个字长为6位的无符号二进制数能表示的十进制数值范围是_。C.0-6342、在微型计算机中,应用最普遍的字符编码是_。(数字要编码,计算机处理字符也需要编码)B. ASCII码43、7位二进制编码的ASCII码可表示的字符个数为_。C. 12844、一个字符的ASCII编码,占用二进制数的位数为_。A.845、在标准ASCII编码表中,数字码、小写英文字母和大写英文字母的前后次序(从小到大)是_。D.数字、大写英文字母、小写英文字母46、字符“0”的ASCII码值是_。(请看解析)B. 4847、己知英文字母m的ASCII码值为109,那么英文字母P的ASCII码值为_。b. 11248、在下列字符中,其ASCII码值最大的一个是_。D.h八.汉字编码49、一个汉字的国标码占用存储字节_。B. 2个50、汉字国标码的2个存储字节中,每个字节的最高二进制位的值分别为_。D1,151、存储一个汉字的内码所需的字节数、是_。B. 2个52、关于以下说法中,不正确的是_。D.汉字的输入码唯一53、给出一个综合题:微机中采用的ASCII编码表示一个英文字符,采用汉字国标码(或内码)表示一个汉字,各自占用存储字节是_。A.前者是1,后者是254、注意区别这两个概念:在计算机中,信息的最小单位是_;A.前者是位,后者是字节55、在计算机中,存储的最小单位是_。B.字节56、在计算机领域中,英文单词“Byte”的含义是_。c.字节57、计算机配置的内存的容量为512MB,其中的512MB是指_。C. 512 X 1024 X 1024字节58、1GB等于_。D. 1024 X 1024 X 1024字节59、如果一个、内存单元为一个字节,则16KB存储器共有内存单元个数为_。B.16384十.指令、程序、程序设计语言、软件以及软件分类60、通常所说的“裸机护是指计算机仅有_。B.硬件系统61、组成计算机指令的两部分是_。D.操作码和地址码62、一台计算机可能会有多种多样的指令,这些指令的集合通常称为_。A.指令系统63、有几个概念要搞懂:(1)指令:是指计算机执行某种操作的命令 (2)程序:为解决某一特定的问题而设计的指令序列(或多条指令的集合)称为_; (3)计算机软件是指_。C.“程序”与“程序和文档资料”64、计算机相关指令的集合称为_。A.程序 65、能直接被计算机识别或执行的计算机编程语言是_。C

Once you have established the daily ration of drinking water in a survival situation,how should you drink it ________.

A.Small sips at regular intervals during the day

B.The complete daily ration at one time during the day

C.One-third the daily ration three times daily

D.Small sips only after sunset


正确答案:C


共用题干
Some doctors think that you should drink a glass of water each morning. You should drink water before doing anything else.The temperature of the water should be similar to body temperature:not hot,not cold.Why should you drink this water?______(46).It helps clean out your kidneys.It prepares your stomach for digestion.______(47).After drinking water,the intestines can more easily take out nutrients from our food. And water helps us go to the bathroom more easily.
Scientists suggest that people take in 1,600 milliliters of water each day.______(48).If you do,your kidneys will have to work much harder to eliminate it. It's better to drink some in morning and some in afternoon.______(49).And during meals,they think water dilutes the juices produced in our stomachs.This can interfere with normal digestion.
Are you drinking enough water every day?Check the color of your urine.______(50).if your urine is very dark yellow,your probably need to drink more water. A little water each day could make you much healthier.

_________(47)
A:If it is light yellow,you are probably drinking enough
B:Water can also help your intestines work better
C:Some people think it's better to drink between meals
D:Water helps your body in many ways
E:But don't drink all of that water in one sitting
F: Water is an essential element of life

答案:B
解析:
本题考查的是对上下文之间意义关系的理解和对文章细节的把握。空格上一句问:“为什么要喝水呢?”而空格的下一句具体说明了喝水对人体有各种益处。因此这里应该是概括提出喝水有益健康,D与上下文联系最好。
本题考查的是对上下文之间意义关系的理解和对文章细节的把握。空格的下一句是“饮水后,肠道能够更容易地从食物中吸取营养物质,也能让排泄更容易”,因此这里表述的应该是有关饮水与肠道的影响。
本题考查的是对上下文之间意义关系的理解和对文章细节的把握。上一句说到“科学家建议每人一天应喝1 600毫升的水”,而空格后内容是“否则你的肾脏在处理这些水的时候会比较困难”,因此选项E与前后内容最符合。
本题考查的是对上下文之间意义关系的理解和对文章细节的把握。空格后内容是“他们认为在吃饭的时候喝水会稀释胃液,可能干扰消化”。因此选项C与内容最符合。
本题考查的是对上下文之间意义关系的理解和对文章细节的把握。上一句说到“检查一下你尿液的颜色”,而空格后的内容是“如果是暗黄色,你可能需要多喝水”,因此选项A最合适。


The drinking water has become contaminated with lead.

A:polluted
B:treated
C:tested
D:corrupted

答案:A
解析:
本句意思:饮用水被铅污染了。contaminate意为“把……弄脏,污染”,与pollute(污染) 意思相近。treat对待,看待; test考试;测验,考查;corrupt使道德败坏;使腐败。


A.lot of people could fall ill after drinking contaminated water.

A:muddled
B:polluted
C:mixed
D:troubled

答案:B
解析:


A lot of people could fall ill after drinking contaminated water.

A:muddled
B:polluted
C:mixed
D:troubled

答案:B
解析:

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