阅读理解，判断正(√ )误(×)。

      Look at my family photo. This is my father. He's a teacher. He's tall. He likes sports. This is my mother.

She's a teacher, too. She likes reading. This is my brother. He's a baseball player. He's strong. I love my family.

( ) 1. My parents are teachers.

( ) 2. My father likes sports.

( ) 3. My brother likes music.

( ) 4. My brother is tall and strong.

( ) 5. There are four people in my family.

下列共同动脉干的描述，错误的是（）

A.Ⅳ型为左右肺动脉缺如，肺部血供来自降主动脉的支气管动脉

B.肺动脉起源于共同动脉干

C.均合并房间隔缺损

D.超声表现为全心扩大

E.瓣叶数目可为单叶、两叶、三叶或四叶