当前我国社会存在着“高收入者不想消费、中收入者不敢消费、低收入者不能消费”的问题，中收入者不敢消费的原因可能是：①收入偏低②消费观念落后③社会保障不健全④预期不稳定，消费信心不足                    （   ）

A．①②

B．③④

C．①③

D．②④

1) ______ the Oral Approach
2) ______ the Cognitive Approach
3) ______ the Direct Method
4) ______ the Audiolingnal Method
5) ______ the Natural Approach
a) According to Gouin, verbal expression is intimately linked with thought about real events. Thoughts and utterances came in sequences and ends-means series.
b) Primary importance is attached to meaning, context and situation.
c) Language is structured like a pyramid, that is ,linguistic levels are systems within systems.
d) Language is characterized by rule-governed creativity.
e) Communication is the primary function of language, and emphasis is on meaning.