陶行知先生推行生活教育、大众教育，创立了生活教育理论和( )的教育方法。
参考答案：教、学、做合一
For a moment nothing happened then _____ all shouting together. [ ]
A. voices had come
B. came voices
C. voices would come
D. did voices come
（）系列提升机的闸瓦磨损，闸瓦间隙变大与制动力距无关。
A、KJ
B、JK
C、JT
