---Where will you start your work after graduation? ---Mmm, it's not been decided yet. I ____ continue my study for a higher degree. A. need B. must C. would D. might 答案:D由it's not been decided yet可知。 陶瓷制造业是中国最古老的手工行业之一。以下叙述正确的是
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①商周时已出现原始瓷器,这是我国陶瓷发展史上的一次飞跃
②魏晋南北朝瓷器生产技术达到成熟阶段
③唐时形成南青北白两大系统
④元代能制造青花瓷
A.①③④B.①②③
C.③④D.①②③④