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参考解析：
刷刷题刷刷变学霸
举一反三
【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！
【单选题】外观设计是指( )。
A.
产品、方法或者其改进所提出的技术方案
B.
对产品的形状、构造或者其结合所提出的适于实用的新的技术方案
C.
对产品的形状、图案、色彩或者其结合所作的富有美感并适于工业上应用的新设计
D.
对产品的外观进行的设计