In general, lasers operate by creating an intense amount of light and energy which is then converted into heat and used to control bleeding or destroy diseased tissue.
【正确答案】 C
【答案解析】解析：句意：一般来说，激光通过创造一种剧烈的光和能量进行运作，这种光和能量之后会转化成热量用于止血或破坏败坏的组织。convert更换，修改。transform改变，改造。decode解码，译解。