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Today we can use the Internet for many things: shopping, business, writing letters, talking to people, getting information and so on. In recent years, a new kind of English has grown on the Internet. There's no real word for it yet, so we call it e-talk. People don't like typing too much. To save time, they turn phrases into a few letters, acronyms(首字母缩略词). Acronyms are often used in chat rooms. Some are as follows: BRB (be right back), BTW (by the way), LOL (laughing out loud), IMO (in my opinion) People also use many abbreviations. They are shortened forms of words. Some common abbreviations include info (information), pic (picture), puter (computer), sec (second), etc. We usually don't see people when we communicate on the Net, so people have new ways to show feelings. Most people use their keyboards to draw 'feelings', such as: :-)  (happy)     ;-)  (joking)       :-(  (sad)        :-O  (surprised) These days, many public discussions have picture feelings, for example: (happy)           (sad)            (angry)           ( (cool) There are even whole new words, like 'newbies'(someone who is new on a chat board or forum). When you write something bad about someone else, it's called 'burning' the person. It takes time for people to get used to e-talk. Also, different groups on the Net have their own special ways of communicating. Newbies sometimes have to ask other people what they mean. As the Internet grows, e-talk will continue to grow and change. 小题1:Why do people type acronyms? A.To type them quickly. B.To make jokes. C.To make newbies puzzled. D.To show their feelings. 小题2:What does the sentence “BTW, my puter is not working well. :-( ”mean? A.The person is happy about getting a new computer. B.The person has to go away from their computer. C.The person is sad that his computer is having problems. D.The person is angry at somebody. 小题3:If someone is angry, what may he type? A.   LOL      B. BRB.               C. D. 小题4:E-talk will probably____________. A.stay the same B.keep changing C.be used by people on the telephone D.be easy for newbies to understand 小题5:The best title for this passage is________. A.E-talk B.Picture Feelings C.How to Use Abbreviations D.The Changing Internet
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【单选题】以下关于校验码的叙述中,正确的是( )。 I.校验码的码距必须大于2 Ⅱ.校验码的码距越大检错纠错能力越强 Ⅲ.增加奇偶校验位的位数可以提高奇偶校验的正确性 Ⅳ.采用奇偶校验可检测出一位数据错误的位置并加以纠正 V.采用海明校验可检测出一位数据错误的位置并加以纠正 Ⅵ.循环冗余校验码是通过除法运算来建立数据和校验位之间的约定关系的
A.
I、Ⅲ、V
B.
Ⅱ、Ⅳ、Ⅵ
C.
I、V、Ⅵ
D.
Ⅱ、V、Ⅵ
【判断题】果实采收后分级的方法有人工分级和机械分级,目前国内应用最多的是机械分级。
A.
正确
B.
错误
【单选题】以下关于校验码的叙述中,正确的是( )。I,校验码的码距必须大于2II,校验码的码距越大,检、纠错能力越强III,增加奇偶校验位的位数,可以提高奇偶校验的正确性Ⅳ,采用奇偶校验可检测出一位数据错误的位置并加以纠正V,采用海明校验可检测出一位数据错误的位置并加以纠正Ⅵ,CRC码是通过除法运算来建立数据和校验位之间的约定关系的
A.
I、III、V
B.
II、Ⅳ、Ⅵ
C.
I、V、Ⅵ
D.
II、V、Ⅵ
【单选题】春鹃的花期为_______。
A.
4-5月
B.
6-7月
C.
8-10月
D.
11-12月
【单选题】以下关于校验码的叙述中,正确的是( )
A.
海明码利用多组数位的奇偶性来检错和纠错
B.
海明码的码距必须大于等于 1
C.
循环冗余校验码具有很强的检错和纠错能力
D.
循环冗余校验码的码距必定为 1
【简答题】NaH 2 PO 4 可与H 3 PO 4 或______组成缓冲溶液,若抗酸抗碱成分浓度和体积都相等,则前者pH=______,后者pH=______。(H 3 PO 4 )
【单选题】企业 、 船舶在本国境内享有不低于本国公民 、 企业 、 船舶享有的待遇 , 这是什么要求:
A.
国民待遇条款
B.
最惠国待遇条款
C.
磋商调解原则
D.
关税保护与关税减让原则
【单选题】领地国家执行的是()。
A.
公权力
B.
私权利
C.
议会的权力
D.
皇室的权力
【判断题】塔 里木盆地是中国最大的内陆盆地 ,塔克拉玛干 沙漠 是世界上最大的流动沙漠 ,塔里木河是中国最长的内陆河 。
A.
正确
B.
错误
【判断题】呼吸道的主要功能是进行气体的交换
A.
正确
B.
错误
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