问题
单项选择题
属于替牙期间暂时性的是()
A.恒前牙反
B.恒前牙盟出时,出现中度拥挤
C.前牙开1mm
D.上下恒切牙盟出早期,出现前牙深覆
E.上下颌第1恒磨牙建初期,完全远中关系
答案
参考答案:D
属于替牙期间暂时性的是()
A.恒前牙反
B.恒前牙盟出时,出现中度拥挤
C.前牙开1mm
D.上下恒切牙盟出早期,出现前牙深覆
E.上下颌第1恒磨牙建初期,完全远中关系
参考答案:D
从方框中选择正确句子的序号,将对话补充完整。 | |
Amy: Really? _________________? Zhang Peng: It's big and nice. Amy: Is there a forest in the park? Zhang Peng: _________________. There are many big trees. Amy: Is there a river in it? Zhang Peng: _________________. But there is a lake. Amy: _________________? Zhang Peng: Yes, I like it. |