为满足产品和服务提供的要求，组织应建立什么的接收准则？
参考答案：应建立过程、产品和服务的接收准则。
Totally ________, both of the world famous writers were born and died on the same day and of the same disease. [ ]
A. by coincidence
B. by incident
C. by accident
D. by luck
观察、调查、收集和分析资料都是科学探究的方法______．（判断对错）
