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题目内容
（乐山师范学院英语）
There are four choices following each statement. Mark the choice that can best complete the statement (20%). 1. The “Cardinal Vowel System”
designed by Daniel Jones is mainly used to_______.
A. define pure vowels in English
B. define pure vowel system in any language
C. make contrasts between one and many other languages
designed by Daniel Jones is mainly used to_______.
A. define pure vowels in English
B. define pure vowel system in any language
C. make contrasts between one and many other languages
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