对参考线的操作命令有哪些：（）
A.移动参考线
B.保存参考线设置
C.对齐参考线
D.锁定参考线
参考答案：A, C, D
In the context of company law and the duties of directors, explain the concept of the business judgment rule and the provisions of the Companies Act 1965 (as amended by the Companies (Amendment) Act 2007) which encompass that rule. (10 marks)
催泪喷射器的持握方式分为（）。
A.单手拇指摁压式
B.单手食指摁压式
C.双手拇指摁压式
D.双手食指摁压式
