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问题 单项选择题

110～500kv变电所的所址标高宜在( )的高水位上，35kv变电所的所址标高宜在( )的高水位上。

A．100年一遇；20～50年一遇

B．200年一遇；100年一遇

C．100年一遇；50年一遇

D．200年以上一遇；100年一遇

答案

参考答案：C

单项选择题 A1/A2型题

增感屏的结构中不包括（）

A.荧光体层

B.保护层

C.片基层

D.反射层

E.基层
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单项选择题

An instruction is made up of operations that (68) the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform the operation of (69) two numbers, it must know (70) the two numbers are. The processor’s job is to (71) instructions and operands from memory and to perform each operation. Having done that, it signals memory to send it (72) instruction.

A．get

B．make

C．push

D．pull
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