制作可摘局部义齿填补倒凹的材料是
A．蜂蜡B．嵌体蜡C．常用红蜡D．超硬石膏E．普通石膏
参考答案：D
Liu Xiang runs _____ fast _____ no one can catch up with him. [ ]
A. very; that
B. such; that
C. so; that
D. too; to
带电检查电能表接线有哪些内容？
