Does Krashen’s theory of second langua

1、植物矿物质营养学说 (theory of mineral nutrition

植物矿物质营养学说 (theory of mineral nutrition)

2、The smallest meaningful unit of langua

The smallest meaningful unit of language is（）.ArootBaffixCstemDmorpheme

3、归还学说 theory of returns

归还学说 theory of returns

4、约束理论（Theory of Constraints，简称TOC）的基本思想

约束理论（Theory of Constraints，简称TOC）的基本思想表现在哪些方面？

5、How does a vessel’s rate of turn chang

How does a vessel’s rate of turn change when entering shallow water?（）AIt is fasterBIt is slowerCThere is no changeDIt remains constant for varying propeller revolutio

6、The theory of learning underlying the

The theory of learning underlying the Grammar-Translation Method was Faculty Psychology. The Faculty Psychologists believed that the mind of human beings had various faculties which could be trained separately.（）A正确B错误