阅读下面短文，判断句子正误。正确的写“T"，错误的写“F"。

Boy: Who's that man?

Girl: He's my father. He works in a school.

Boy: What does he do?

Girl: He's a math teacher.

Boy: How does he go to work?

Girl: He usually goes to work by bike.

( ) 1. The man is the girl's uncle.

( ) 2. He is a teacher.

( ) 3. He works in a library.

( ) 4. He teaches Chinese.

( ) 5. He goes to work by bike.

关于声带的描述哪项是错误的（）

A.声带是由声韧带、甲杓肌及其表面的黏膜构成的

B.声带膜部游离缘黏膜下有潜在间隙

C.声带的淋巴管稀少

D.左右声带的淋巴引流相对独立

E.使声带外展的主要肌肉是环杓侧肌