腹主动脉在第3腰椎水平处发出肠系膜下动脉，其分支分布于降结肠、乙状结肠和直肠全部 ( )
参考答案：错
阅读并回答问题。
Hello! My name is Bill. Come and meet my family! This is my mother. She has long hair and she likes
reading. My father is tall. He is a great doctor. He likes baseball. I'm a student. I am twelve. I have many
friends and some good teachers. Look! Here's my cat. Her name is Mimi. She likes fish.
1. How many people are there in Bill's family?
___________________________________________________
2. What is Bill's father?
3. Does Bill's mother like reading?
4. How old is Bill?
5. What's the name of his cat?
歌谣按照格调可分为（）等。
A.四句头
B.五句子
C.信天游
D.渔歌
E.爬山歌
