共鸣
参考答案：
机械能激发物体振动向外辐射声能。
The cheater managed to cheat Lisa by ______ her into thinking he was rich at first.[ ]
A. misreading
B. misunderstanding
C. misleading
D. misfitting
影响底板突水因素是（）。
A、含水层富水性
B、隔水层是底板突水的抑制因素
C、断裂构造
D、矿压破坏是底板突水的诱发因素
