In English， long vowels are also tense vowels because when we pronounce a long vowel such as/i：/，the larynx is in a state of tension.

In the history of any language the writing system always came into being before the spoken form. 点击查看答案&解析

In order to acquire a second language， learners will subconsciously use their first language knowledge in learning a second language. This is know as language t（）. 点击查看答案