试论述清洁生产审核的技巧。
参考答案：
体现在和生产过程有关的八个方面：原辅材料和能源、工艺、过程控制、设备、管理、员工素养、产品和废弃物。
下列说法中，不正确的是（ ）
A．所有通过透镜光心的光线都不会改变方向
B．平行于主光轴的光线经过透镜后会聚于焦点
C．光线通过凸透镜的光路是可逆的
D．光线通过凹透镜的光路是不可逆的
Not only __________ interested in football but _________ beginning to show an interest in it.
A．the teacher himself is , all his students are
B．the teacher himself is, are all his students
C．is the teacher himself, are all his students
D．is the teacher himself, all his students are
