What are the two subsystems of Chinese Train Control System?

Structural linguistics shows that the structure of any language consists of four subsystems: phonology, morphology, syntax and semantics.

The ______ view sees language as a linguistic system made up of various subsystems: from phonological, morphological, lexical, etc.

Scope模块包含在（ ）模块库中。 A: Math Operations B: Sources C: Subsystems D: Sinks

What are the three subsystems in an electronic fuel injection system? A: Fuel delivery system B: Air induction system C: Electroniccontrol system

中国大学MOOC: The structural view of language sees language as a __________ made up of various subsystems: p __________, m__________ , and s__________ .（四个子答案间用英文逗号相隔，如“，”）

What does the functional view of language see language? A: a system of categories based on the communicative needs of the learner B: a communicative tool to build up and maintain social relations between people C: a linguistic system made up of various subsystems D: a linguistic system and a means for doing things