The girl's information(信息)
First name: _____________
Last name ___________
School: No.6 Middle School
Class: _______, Grade: 7
Phone number: 82506372
School ID card number: ___________
Favorite color: ____________
实验室制取气体时,不能用排空气法收集的是( )
下列关于空气的说法中,错误的是( )