STAGES OF SECOND LANGUAGE ACQUISITIONSummarized by Linda Ventriglia (1992)There are four stages of cond language acquisition:严升Pre-productionEarly productionSpeech emergence钢笔抠图Intermediate fluencyP
1.Labor may be internationally mobile, but capital and land do not migrate from one country to another.2.The author of the Wealth of Nations was:a. David Ricardo.新思想是什么b. Pau