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【单选题】

进给电动机、传动机构或是电动机驱动集成电路有故障,使得 CD 唱机(),整机不能进入工作状态。

A.
不能找到光盘的信息部位
B.
不能是激光束聚焦
C.
激光头不能发射激光束
D.
光盘不能旋转
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】分度头传动机构为()

A.
齿轮传动机构
B.
螺旋传动机构
C.
蜗杆传动机构
D.
链传动机构

【单选题】A new era is upon us. Call it what you will: the service economy, the information age, the knowledge society. It is all translated to a fundamental change in the way we work. Already we've partly been...

A.
the service industry is relying more and more on the female work force
B.
manufacturing industries are steadily increasing
C.
people find it harder to earn a living by working in factories
D.
most of the job opportunities can now be found in service industry

【单选题】CD4028 集成电路是 ______________ 集成电路。

A.
十六进制/十进制译码器集成电路
B.
BCD/ 十进制译码器集成电路
C.
BCD/八进制译码器集成电路
D.
以上都错误!

【多选题】IC卡中的CPU卡集成电路中有()等部分。

A.
微处理器CPU
B.
随机存储器
C.
程序存储器
D.
用户数据存储器
相关题目:
【单选题】分度头传动机构为()
A.
齿轮传动机构
B.
螺旋传动机构
C.
蜗杆传动机构
D.
链传动机构
【单选题】A new era is upon us. Call it what you will: the service economy, the information age, the knowledge society. It is all translated to a fundamental change in the way we work. Already we've partly been...
A.
the service industry is relying more and more on the female work force
B.
manufacturing industries are steadily increasing
C.
people find it harder to earn a living by working in factories
D.
most of the job opportunities can now be found in service industry
【单选题】CD4028 集成电路是 ______________ 集成电路。
A.
十六进制/十进制译码器集成电路
B.
BCD/ 十进制译码器集成电路
C.
BCD/八进制译码器集成电路
D.
以上都错误!
【多选题】IC卡中的CPU卡集成电路中有()等部分。
A.
微处理器CPU
B.
随机存储器
C.
程序存储器
D.
用户数据存储器