阅读下面短文，从短文后所给各题的四个选项中，选择最佳选项。

     Hello, everyone! My name is Wang Li. My English name is Alice. Here is my family photo. These are

my parents. My father's name is Wang Jun. He is a manager (经理). My mother's name's Li Hong. She's an

English teacher. Look at these two old people (老人). Who are they, do you know? My grandparents. Who's

that boy? Is he my brother? No, he's my cousin. Who's that girl in the middle (中间)? Can you guess? Yes,

it's me---Wang Li.

1. Wang Jun, Wang Li's father is a _______.

A. teacher

B. manager

C. student

D. worker

2. Is Li Hong a Chinese teacher?

A. Yes, she is.

B. No, he isn't.

C. No, she isn't.

D. Yes, he is.

3. The girl in the middle is _______.

A. Li Hong.

B. Wang Jun.

C. Wang Li.

D. Cousin.

一定要有相关液压操作与维护知识的操作人员才能进行液压站的调试，其它人员禁止（）液压站。