阅读理解。

     This is a picture of my bedroom. It's a nice room. A football is behind the door. My desk is near the

window. You can see a chair behind the desk. You can see some books and flowers on it. My English

books are in my backpack. The bag is behind the chair.

1. It's a picture of _____.

A. my family

B. my bedroom

C. my school

2. My football is _____.

A. behind the door

B. near the door

C. behind the desk

3. The desk is _____.

A. on the bed

B. behind the chair

C. near the window

4. We can see some _____ on the desk.

A. English books

B. books and flowers

C. schoolbags

5. The English books are _____.

A. on my desk

B. on the floor

C. in my backpack

高位单纯性直瘘的治疗宜采用（）

A.肛瘘切开术

B.肛瘘挂线疗法

C.肛瘘外口扩大术

D.药物保留灌肠治疗

E.肛瘘部分切开+肛瘘挂线术