下列方法中可用于热原检测的是()
A. 鲎试剂法
B. 家兔法
C. A和B
D. 冰点降低法
E. 热熔法
The word "phone" comes from "telephone". This is an example of______in morphology.
A. back formation
B. clipping
C. blending
D. acronym
Which of the following is NOT a proper description of the pronunciation of[f]?
A. Labiodental.
B. Fricative.
C. Bilabial.
D. Voiced.
The definition "the phenomenon of competence and communication in two languages" refers to
A. pidgin.
B. Creole.
C. multilingualism.
D. bilingualism.