俄式服务唯一能够采用两种方法服务的是()的服务。
A.头盆
B.汤
C.主菜
D.甜点
参考答案:B
全随机设计方差分析中,造成各组均数不等的原因包括()
A.个体差异
B.测量误差
C.个体差异和测量误差
D.各处理组可能存在的差异
E.以上都有
Ideally, anatomical investigation consists of a combination of descriptive and experimental approaches. Present-day anatomy involves scrutiny of the structure of organisms at many levels of observation.
A. analysis B. recognition C. evaluation D. examination