【单选题】● 我国标准分为强制性标准和推荐性标准,标准的编号由标准代号、标准发布顺序号和标准发布年代号构成, (12) 为推荐性行业标准的代号。 (12)
【单选题】— Who's your math teacher? — _____________________ [ ]
【单选题】My name is Amy. ______ name is Alice and ______ is Frank.
【简答题】Hi, my name is Amy. I am a Grade 7 student, and I would like to tell you something about my class and myself. There are ten classes in Grade 7.In each class, there are about forty students. I think th...
【单选题】我国标准分为强制性标准和推荐性标准,标准的编号由标准代号、标准发布顺序号和标准发布年代号构成,______为推荐性行业标准的代号。
【单选题】我国标准分为强制性标准和推荐性标准,标准的编号由标准代号、标准发布顺序号和标准发布年代号构成,(24)为推荐性行业标准的代号。