先阅读，再判断。(对的写“T”，错的写“F”。)

     Hi! My name is Mike. I'm ten years old. I am an American boy. I am a pupil (小学生).

My mother is a teacher. My father is a doctor. We are happy together.

( )1. Mike is eight.

(     )2. His mother is a teacher.

(     )3. His father is a doctor.

(     )4. Mike is a doctor.

(     )5. Mike is from America.

支架上的各种液压部件，如阀、立柱、千斤顶严禁在井下拆开，只能（）。