下述临床检验中属于凝集反应的是()
A. 肥达试验
B. 交叉配血试验
C. IgE含量测定
D. 免疫球蚤白定量测定
E. 肠道致病菌的免疫学鉴定
1.Which of the following terms does NOT mean the same as the relation of substitutability ?
A. Choice relations
B. Paradigmatic relation
C. Vertical relation
D. Horizontal relation
Positional relation is also called_______.
A. sentenceorder
B. chain relations
C. verticalrelation
D. choice relation
______ refers to the study of the rules governing the way words are combined to form sentences in a language, or simply, the study of the formation of sentence.
A. Morphology
B. Syntax
C. Phonetics
D. Semantics