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问题 单项选择题

根据重要程度的不同，应对雨水管渠采取不同的重现期来设计，其中重要地区为()年。

A．1

B．2

C．3

D．3～5

答案

参考答案：D

解析：对重要干道、重要地区或短期积水会引起严重后果的地区，重现期宜采用3～5年。

问答题

试从南北朝的实际情况分析佛教、道教流行的原因。
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单项选择题

For each blank, choose the best answer from the four choices and write down on the answer sheet.

It is claimed that Al applications have moved from laboratories to the real world. However, conventional von Neumann computers are (1) for Al applications, because they are de- signed mainly for numerical processing. In a larger yon Neumann computer, there is a larger ratio of memory to processing power and consequently it is even less efficient. This (2) remains no matter how fast we make the processor because the length of the computation becomes dominated by the time required to move data between (3) and memory. This is called the yon Neumann (4) . The bigger we build the machines, the worse it gets. The way to solve the problem is to diverse from the traditional architectures and to design special ones for Al applications. In the research of future Al architectures, we can take advantages of many (5) or currently emerging concepts. in computer architecture, such as dataflow computation, stack machines, tagging, pipelining, systolic array, multiprocessing, distributed processing, database machines, and inference machines.

2（）

A．efficiency

B．condition

C．inefficiency

D．situation
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