【简答题】下列哪项可维持神经和肌肉的兴奋性,是构成骨骼和牙齿的主要成分:( ) A.钙 B.镁 C.锌 D.磷 E.铁
【单选题】We specialize in supplying small stores in rural areas,and this assured sales outlet enables us () of fairly large quantities.
【单选题】We specialize ______ manufacturing smart phones.
【单选题】听力原文:Q: When will those specialists arrive from Wisconsin? (A) Yes, we specialize in homepage customization. (B) For about two weeks. (C) I haven't received their itinerary. (8)
【判断题】测量洛氏硬度,压痕的深度越大,材料的硬度越小 正确 错误
【单选题】We specialize ( ) the exportation of Chinese light industrial products.
【简答题】英译中 We specialize in ...
【判断题】测量洛氏硬度,压痕的深度越大,材料的硬度越小