年轻恒牙牙根形成在萌出后的（）
A.8～11月
B.1～1年半
C.1～2年半
D.3～5年
E.5年半～6年
参考答案：D
It was _________that Miss Wang had been to California and there she met Dr. White __________, who became her husband later.
A．the first time, the first time
B．the first time, for the first time
C．for the first time, for the first time
D．for the first time, the first time
法与政策都是调整人的行为亦即调整社会关系的准则、标准。其规范作用可包括
A．指引
B．评价
C．教育
D．预测
E．强制
