对品行有缺点、学习有困难的学生，学校应当耐心教育、帮助，不得歧视，不得违反法律和国家规定（）未成年学生。
参考答案：开除
This morning Jack came to school _______ than _______ student in his class. [ ]
A. much late; any
B. much later; other
C. much later; any
D. much later; any other
A．9牛，方向向前
B．9牛，方向向后
C．21牛，方向向前
D．21牛，方向向后
