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问题 选择题

为上联“八百里洞庭凭岳阳壮阔”选配下联，最恰当的一项是        (　　)

A．五千年盛世欣太平今日

B．两千年赤壁览黄鹤风流

C．九万里中华创锦绣未来

D．十三亿尧舜建古国文明

答案

答案：B

题目分析：注意内容、词性上的对应。例句中“壮阔”是形容词，另外D中的“尧舜建古国文明”是主谓短语，而例句中的“洞庭凭岳阳壮阔”属于偏正结构。

单项选择题

In information theory, "information" is regarded as knowledge which reduces or removes (71) about the occurrence of a specific event from a given set of possible events. The concept "event" is to be understood as used in the theory of probability. For instance, an event may be the occurrence of a (72) character or word in a given message or in a given position of a message.

In communication theory, channel is defined as that part of a communication system that connects the message source with the message sink. An encoder may be inserted between the message source and the input to the channel, and a (73) between the output of the channel and the message sink. Generally, these two units are not considered as being parts of the channel. In certain cases, however, they may be considered as pans of the message source and message sink, (74) . In information theory (75) to Shannon, the channel can be characterized by the set of conditional probabilities of occurrence of all the messages received at the message sink when a given message emanates from the message source.

（73）处填（）。

A．debugger

B．decoder

C．decompiler

D．demodulator
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选择题

下列做法正确的是（    ）

A．为使火腿肠颜色更鲜红，多加一些亚硝酸钠

B．为增加婴儿对食品的兴趣，在婴儿食品中尽量多添加合成着色剂

C．烧鱼时放点醋，可软化鱼骨

D．味精的主要成分为蛋白质，烧菜时可加入适量
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