A：最外层电子数
B：中子数
C：核外电子数
D：质子数
Our teacher looks ______ today.
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: ____________
When we were in Anhui, we took many photos ________ Mount Huang.
建国后，民主法制曾一度遭到巨大破坏，这主要发生在（ ）
