强调语言是一种外显的、可观察的行为，是通过一系列反应学会的是______

A．行为主义论语言学习模式
B．先天论语言学习模式
C．认知相互作用论语言学习模式
D．社会相互作用论语言学习模式

Scope definition is ______ .

A．the process of developing a detailed project scope statement as the basis for future project decisions

B．determining the responses needed to perform project activities

C．analysis of activity sequence, duration, and resource requirements

D．a written statement identifying the quality standards relevant to the project