种蛋挑选一般采用观察（）的方法，如果想进行更细致的检查，还可采用（）。
参考答案：外形和听音；照蛋透视和剖视抽检方法
The man refused to admit that he was guilty as the court had judged, and ________ the High Court. [ ]
A. adapted to
B. related to
C. appealed to
D. referred to
请列举二级保养中对暖风系统的主要作业项目。
