下面哪一项是陶瓷生坯没有上釉前预烧的胎（）。
A、素淡
B、素烧
C、素胎
D、素点
参考答案：C
Up till now, more than 120 world-famous enterprises ______ companies in Tianjin Binhai New Area.
A．have established
B．established
C．will establish
D．have been established
“逢子必炒”的含义？
