这道题为什么选AThetypeoflanguagewhichisselectedasappropriatetoaparticulartypeof"situationiscalledA.register.B.dialect.C.slang.D.variety

Question

这道题为什么选A The type of language which is selected as appropriate to a particular type
of" situation is called
　　
A. register. B. dialect. C. slang. D. variety

Answer 1

这算是register 比较生僻的解释了：
A variety of language used in a specific social setting:
行话，术语在特定的社会背景中使用的各种语言：
e.g. speaking in an informal register; writing in a scientific register.
用非正式语体演讲；用科学语体写
——选自《金山词霸2003》