Linguistics is the study of language as a system of human （）.

Language teaching involves three main disciplines. They...

填空题Language teaching involves three main disciplines. They are linguistics, psychology and（）.

If the chosen topic for a conversation lesson is too ge...

判断题If the chosen topic for a conversation lesson is too general it will not excite the students, if it is too specific some students will be interested, and others not.（）

Planned conversations usually degenerate into silence o...

判断题Planned conversations usually degenerate into silence or involve only a small number of students.（）