某质量技术监督部门为检测某企业生产的批号为B160203HDA的化妆品含铅量是否超标,通常宜采用()的方法。
A. 普査 B.査有无合格证C.抽样检査 D.査阅有关单据
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The lower-level classes (known as subclasses or derived classes) () state and behavior from the higher-level class (known as a super class or base class).
A. request B.inherit C.invoke D.accept
商标权保护的对象是指()。
A. 商品 B.商标 C.已使用商标 D.注册商标
() is the name given to a “secret” access route into the system.
A. Password B.Firewall C.Cryptography D.Back door
() is exactly analogous to a marketplace on the Internet.
A. E-Commerce B.E-Cash C.E-Mail D.E-Consumer