【判断题】[+sonorant] is only shared by all the vowels.()
【单选题】How can you distinguish between front vowels, central vowels, and back vowels?
B.
In terms of which part of the tongue is raised.
C.
In terms of how high the tongue is raised.
D.
In terms of whether the vowels is tense or lax.
【单选题】在助理会计师填写票据的出票日期时,“ 2 月 12 日”正确的填写是
【简答题】How are the vowels described usually?
【判断题】Diphthong is treated as two vowels .()
【判断题】在总体服从正态分布,总体均值已知,方差已知的条件下,样本平均值的分布为正态分布
【判断题】小样本情况下,总体服从正态分布,总体方差已知,总体均值在置信水平
【简答题】Classification of vowels are made up of thefollowing EXCEPT ____.A. the position of the tongue B. the openness of the mouth C. the shape of the lip D. the width of the vowels
【简答题】Finnish vowels are easy to distinguish.
【单选题】在参数估计中利用t分布构造总体均值置信区间的条件是( )。