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问题 问答题 简答题

心传导系统包括哪些成员？何谓心正常起搏点？其位于何处？

答案

参考答案：

心传导系统包括窦房结、结间束、房室结、房室束及其分支等。

起搏点：窦房结，位于上腔静脉与右心房交界处的心外膜下。

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.

（74）是（）

A.debugger

B.decoder

C.decompiler

D.demodulator
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多项选择题

禁止对以下（）小企业办理信贷业务：

A、法人代表以及主要投资人、管理人员有恶意逃废银行债务、信用卡恶意透支、以及涉黑、涉赌、涉毒等不良行为的；

B、财务管理混乱、有严重偷漏税行为的；

C、生产技术落后、严重污染环境等不符合国家产业政策、环境保护政策的；

D、大中型企业由于生产经营恶化、规模缩小而符合小企业标准的。
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