问题
单项选择题
鳃裂囊肿（）
A.内外均有开口的称为完全性瘘管
B.可分为三种类型
C.多于新生儿期发现
D.两端无开口，上皮腔隙分泌物潴留膨胀称为瘘管积液
E.甲状舌管退化不全
答案
参考答案：A
解析：内外均有开口的鳃裂囊肿称为完全性瘘管
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鳃裂囊肿（）
A.内外均有开口的称为完全性瘘管
B.可分为三种类型
C.多于新生儿期发现
D.两端无开口，上皮腔隙分泌物潴留膨胀称为瘘管积液
E.甲状舌管退化不全
参考答案：A
解析：内外均有开口的鳃裂囊肿称为完全性瘘管
Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. The conversation and question will be spoken only once. During the pause, you must read the four choices marked A, B, C, D, and decide which is the best answer. Then mark the corresponding letter on the ANSWER SHEET with a single line through the center.
A．It means being convenient to be carried.
B．It means being readily to be divided.
C．It means being easily identified.
D．It means being carried in a big basket.