数据是信息的符号表示,或称载体;信息是数据的 【8】 。

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问题:

数据是信息的符号表示,或称载体;信息是数据的 【8】

考点:计算机等级考试信息管理技术三级信息管理技术笔试53
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下列各项中,不适用《税收征收管理法》的有( )。

A.城市维护建设税

B.关税

C.车辆购置税

D.教育费附加

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现代科技证明,葡萄酒中含有的白藜芦醇具有美容养颜之功效.已知白藜芦醇的化学式为C14H1203  请回答:

(1)白藜芦醇由            种元素组成

(2)白藜芦醇中碳、氢、氧元素的原子个数比为              

(3)白藜芦醇的相对分子质量为                     

(4)白藜芦醇中碳、氢、氧三种元素的质量比为                         

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酚妥拉明可用于治疗顽固性充血性心力衰竭的主要原因是()

A.扩张肺动脉,减轻右心后负荷

B.兴奋心脏,加强心肌收缩力

C.抑制心脏,使每搏量降低

D.扩张外周小动脉,减轻心脏后负荷

E.扩张外周小静脉,减轻心脏前负荷

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English is a very interesting language. It has borrowed words from many other languages. Immigrants(移民) coming into the United States have contributed many words to the language, which have kept their original pronunciation. “Coolie” and “kowtow” were taken from the Chinese language, “kamikaze from the Japanese, “shampoo” from India, “blitz” from German, “amigo” and “Los Angeles” from Spanish and so on.

Many students have studied English for years, some as many as eight. However, some students still have difficulty in speaking fluent English. Some know many words but are unable to discern them when native speakers use them. In our Oral English classes we will focus on speaking and listening to native English speakers. For this reason, because we are trying to train your ears to hear English and your mouths to speak intelligible (易理解的) English, we will have a rule that ONLY ENGLISH will be spoken in our English classes. Anyone speaking Chinese in class will be required to pay a fine in order to encourage the speaking and understanding of English. If teachers enter a classroom and discover that anyone is speaking Chinese, they will require everyone in the room to pay the fine. It is everyone’s job to enforce the English-Only rule. It is for your benefit. It is because we want to accustom (使习惯于) your ears to hearing English.

Other subjects may be learned solely from books but the only way to learn a foreign language is to SPEAK IT! Students are often nervous about speaking in class at first but we hope to make the classes fun, so you will forget your nervousness and learn to speak out. Enjoy your classes.

小题1:The first paragraph is mainly about________.

A.the difficulty of learning English.

B.how interesting and various English is

C.different words in different languages

D.the immigrants’ contributions to America小题2:The underlined word “discern” in Para 2 can be replaced by___________.

A.understand

B.notice

C.hear

D.speak小题3:In the author’s opinion , the only way to learn a language well is to__________.

A.listen to it on the radio

B.learn it from books

C.play games with it

D.speak it often小题4:The article is probably aimed at________.

A.Japanese students

B.German students

C.Chinese students

D.Indian students

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试分析子弹、水果刀、手术刀的X射线图像特征。

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