搜题
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第1题

The study of speech organs is important to know the nature of () .38 A . speech production B . telegraphic speech C .
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第2题

4.辣椒在几片真叶时进行移苗（ ）(2 分) A.2片 B.3片 C.4片 D.5片
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第3题

、/p/, /b/, /m/ and /w/ are produced with the help of () . A . the upper teeth and inner lower lip B . the tip of the t
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第4题

The soft palate is also called () A . velum B . uvula C . trachea D . epiglottis
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