Vowels are formed mainly by the position of the tongue and, secondarily, by the shape of the lips and movement of the jaw.（）

The vowel is produced without (or with little) restrict...

判断题The vowel is produced without (or with little) restriction during its production and is always voiced.（）

The Silent Way, Community Language Learning, and Sugges...

判断题The Silent Way, Community Language Learning, and Suggestopaedia all lay emphasis on the individual and on personal learning strategies.（）

A suggestopadia course is conducted in a classroom in w...

判断题A suggestopadia course is conducted in a classroom in which students are as comfortable as possible.（）