In class, each student has his own table and chair, the space centering on the table and chair is his body territory.
举一反三
- When leaving the table temporarily, put the napkin on your_____. A: chair B: chest C: hand D: table
- 将student表中class字段删除的命令是（）。 A: DROPTABLEstudentclass B: ALTER TABLE student class C: ALTER TABLE student DROP class D: DROP TABLE student ALTER class
- He _______ his chair backwards and put his feet up on his desk while he was talking on the phone.
- Good posture: Feet flat on floor, chair up to the table, back straight, head up.
- Each flight instructor has his/her own flight training procedures.