举一反三
- 中国大学MOOC: When the vocal folds are apart, the airstream can go through freely, and the ________ sounds are produced.
- When a speech sound changes and becomes more like another sound which follows it, it is said to be ______. A: nasalized B: assimilated C: aspirated D: voiced
- When a speech sound changes and becomes more like another sound which follows or precedes it, it is said to be ( ). A: nasalized B: assimilated C: aspirated D: voiced
- 中国大学MOOC: Vowels are sounds produced by constricting or obstructing the vocal tract at some place to divert, impede or completely shut off the flow of the air in the oral cavity.
- The sound /z/ can be described with “voiced, ________, alveolar”.
内容
- 0
中国大学MOOC: Vowels are sounds produced without obstruction, so no turbulence or a total stopping of the air can be perceived.
- 1
Alpha-rays can't pass through materials. A: air B: lead metal C: oxygen D: --
- 2
It can be said without exaggeration that no part of the United States is not easily accessible by car, by train, or by air, and ( ) by all of the three of them.
- 3
中国大学MOOC: Any sound produced by a human being is a phoneme.
- 4
Which of the following statements is/are correct about vowels? A: Vowels are produced without significant constriction of the air flowing through the mouth. B: There are 28 vowel sounds in English. C: Vowels refer to the sounds in spoken language that are made with no obstruction of air flow in the mouth. D: All vowels are voiced.