阅读理解。

     Hello, my name is Paul. I'm a Chinese (中国的) boy. I'm in Shanghai with my parents. I'm in a middle

school. I'm in Class 'rwo, Grade Seven. I'm in my classroom (教室). Look! This is my notebook. It's on

my desk. This is my pen. It's black. It's in my desk. And this is my basketball. It's under my chair. My

books are in my backpack. Look! That is my friend Tommy. He has a basketball, too. It's under his desk.

根据短文内容，选择正确答案。

1. Tommy is Paul's _____.

A. father    

B. brother    

C. friend    

D. father

2. Paul is _____ boy.

A. a Chinese    

B. an American    

C. an English    

D. a math

3. Paul's notebook is _____ his desk.

A. in    

B. under    

C. of    

D. on

4. Paul's books are in his _____.

A. desk    

B. backpack    

C. chair    

D. bed

5._____ basketball is under his chair.

A. Paul's    

B. Tommy's    

C. Paul's father's    

D. Tommy's father

黄疸、畏寒、发热、右上腹绞痛伴呕血，最可能是（）.

A.消化性溃疡

B.急性胃黏膜病变

C.急性胰腺炎

D.胃癌

E.胆道结石伴梗阻